1,404 results on '"hyperspace"'
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2. Enhanced IDOL segmentation framework using personalized hyperspace learning IDOL.
- Author
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Choi, Byong Su, Beltran, Chris J., Olberg, Sven, Liang, Xiaoying, Lu, Bo, Tan, Jun, Parisi, Alessio, Denbeigh, Janet, Yaddanapudi, Sridhar, Kim, Jin Sung, Furutani, Keith M., Park, Justin C., and Song, Bongyong
- Subjects
INDIVIDUALIZED instruction ,SUBSET selection ,COMPUTED tomography ,STANDARD deviations ,HYPERSPACE ,IMAGE segmentation ,IMAGE registration - Abstract
Background: Adaptive radiotherapy (ART) workflows have been increasingly adopted to achieve dose escalation and tissue sparing under shifting anatomic conditions, but the necessity of recontouring and the associated time burden hinders a real‐time or online ART workflow. In response to this challenge, approaches to auto‐segmentation involving deformable image registration, atlas‐based segmentation, and deep learning‐based segmentation (DLS) have been developed. Despite the particular promise shown by DLS methods, implementing these approaches in a clinical setting remains a challenge, namely due to the difficulty of curating a data set of sufficient size and quality so as to achieve generalizability in a trained model. Purpose: To address this challenge, we have developed an intentional deep overfit learning (IDOL) framework tailored to the auto‐segmentation task. However, certain limitations were identified, particularly the insufficiency of the personalized dataset to effectively overfit the model. In this study, we introduce a personalized hyperspace learning (PHL)‐IDOL segmentation framework capable of generating datasets that induce the model to overfit specific patient characteristics for medical image segmentation. Methods: The PHL‐IDOL model is trained in two stages. In the first, a conventional, general model is trained with a diverse set of patient data (n = 100 patients) consisting of CT images and clinical contours. Following this, the general model is tuned with a data set consisting of two components: (a) selection of a subset of the patient data (m < n) using the similarity metrics (mean square error (MSE), peak signal‐to‐noise ratio (PSNR), structural similarity index (SSIM), and the universal quality image index (UQI) values); (b) adjust the CT and the clinical contours using a deformed vector generated from the reference patient and the selected patients using (a). After training, the general model, the continual model, the conventional IDOL model, and the proposed PHL‐IDOL model were evaluated using the volumetric dice similarity coefficient (VDSC) and the Hausdorff distance 95% (HD95%) computed for 18 structures in 20 test patients. Results: Implementing the PHL‐IDOL framework resulted in improved segmentation performance for each patient. The Dice scores increased from 0.81±$ \pm $0.05 with the general model, 0.83±0.04$ \pm 0.04$ for the continual model, 0.83±0.04$ \pm 0.04$ for the conventional IDOL model to an average of 0.87±0.03$ \pm 0.03$ with the PHL‐IDOL model. Similarly, the Hausdorff distance decreased from 3.06±0.99$ \pm 0.99$ with the general model, 2.84±0.69$ \pm 0.69$ for the continual model, 2.79±0.79$ \pm 0.79$ for the conventional IDOL model and 2.36±0.52$ \pm 0.52$ for the PHL‐IDOL model. All the standard deviations were decreased by nearly half of the values comparing the general model and the PHL‐IDOL model. Conclusion: The PHL‐IDOL framework applied to the auto‐segmentation task achieves improved performance compared to the general DLS approach, demonstrating the promise of leveraging patient‐specific prior information in a task central to online ART workflows. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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3. Combinatorial Identities with Multiple Harmonic-like Numbers.
- Author
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Adegoke, Kunle and Frontczak, Robert
- Subjects
PARAMETERS (Statistics) ,DEEP learning ,MACHINE learning ,ARTIFICIAL intelligence ,HYPERSPACE - Abstract
Multiple harmonic-like numbers are studied using the generating function approach. A closed form is stated for binomial sums involving these numbers and two additional parameters. Several corollaries and examples are presented which are immediate consequences of the main result. Finally, combinatorial identities involving harmonic-like numbers and other prominent sequences like hyperharmonic numbers and odd harmonic numbers are offered. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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4. Plato's Allegory of the 'Cave' and Hyperspaces: Sonic Representation of the 'Cave' as a Four-Dimensional Acoustic Space via an Interactive Art Application.
- Author
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Traperas, Dimitrios, Floros, Andreas, and Kanellopoulos, Nikolaos Grigorios
- Subjects
HYPERSPACE ,DEEP learning ,MACHINE learning ,ARTIFICIAL intelligence - Abstract
Mathematician and philosopher Charles Howard Hinton posited a plausible correlation between higher-dimensional spaces, also referred to as 'hyperspaces', and the allegorical concept articulated by the Ancient Greek philosopher Plato in his work, Republic, known as the 'Cave.' In Plato's allegory, individuals find themselves situated in an underground 'Cave', constrained by chains on their legs and neck, perceiving shadows and sound reflections from the 'real' world cast on the 'Cave' wall as their immediate reality. Hinton extended the interpretation of these 'shadows' through the induction method, asserting that, akin to a 3D object casting a 2D shadow, the 'shadow' of a 4D hyper-object would exhibit one dimension less, manifesting as a 3D object. Building upon this conceptual framework, the authors posit a correlation between the perceived acoustic space of the bounded individuals within the 'Cave' and the characteristics of a 4D acoustic space, a proposition substantiated mathematically by scientific inquiry. Furthermore, the authors introduce an interactive art application developed as a methodical approach to exploring the hypothetical 4D acoustic space within Plato's 'Cave', as perceived by the bounded individuals and someone liberated from his constraints navigating through the 'Cave.' [ABSTRACT FROM AUTHOR]
- Published
- 2024
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5. Induced mappings on the hyperspace of totally disconnected sets.
- Author
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Anaya, José G., Hernández-Castañeda, Martha, and Maya, David
- Subjects
HAUSDORFF spaces ,COMMERCIAL space ventures ,HYPERSPACE ,TOPOLOGY - Abstract
The symbol TD(X) denotes the hyperspace of all nonempty totally disconnected compact subsets of a Hausdorff space X. This hyperspace is endowed with the Vietoris topology. For a mapping between Hausdorff spaces f : X → Y, define the induced mapping TD(f) : TD(X) → TD(Y) by TD(f)(A) = f(A) (the image of A under f). In the current paper, we study the relationships between the condition f belongs to a class of mappings between Hausdorff spaces 필 and the condition TD(f) belongs to 필. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Butterfly points and hyperspace selections.
- Author
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GUTEV, VALENTIN
- Subjects
COMMERCIAL space ventures ,BUTTERFLIES ,HYPERSPACE ,TOPOLOGY - Abstract
If f is a continuous selection for the Vietoris hyperspace F (X) of the nonempty closed subsets of a space X, then the point f (X) ∈ X is not as arbitrary as it might seem at first glance. In this paper, we will characterise these points by local properties at them. Briefly, we will show that p = f (X) is a strong butterfly point precisely when it has a countable clopen base in ⊂ for some open set U ⊂ X \ {p} with ⊂ = U ⊂ {p}. Moreover, the same is valid when X is totally disconnected at p = f (X) and p is only assumed to be a butterfly point. This gives the complete affirmative solution to a question raised previously by the author. Finally, when p = f (X) lacks the above local base-like property, we will show that F(X) has a continuous selection h with the stronger property that h(S) = p for every closed S ⊂ X with p ∈ S. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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7. On the hyperspaces of meager and regular continua.
- Author
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CAMARGO, JAVIER, ORDOÑEZ, NORBERTO, and RAMÍREZ, DIEGO
- Subjects
CANTOR sets ,GRAPH theory ,FIBERS ,HYPERSPACE ,COLLECTIONS - Abstract
Given a metric continuum X, we consider the collection of all regular subcontinua of X and the collection of all meager subcontinua of X, these hyperspaces are denoted by D(X) and M(X), respectively. It is known that D(X) is compact if and only if D(X) is finite. In this way, we find some conditions related about the cardinality of D(X) and we reduce the fact to count the elements of D(X) to a Graph Theory problem, as an application of this, we prove in particular that |D(X)| G {2, 3,4, 5, 8, 9} for any continuum X. Also, we prove that D(X) is never homeomorphic to N. On the other hand, given a point p G X, we consider the meager composant and the filament composant of p in X, denoted by Mpf and Fcs
X (p), respectively, and we study some relations between Mp x and FcsX (p) such as the equality of them as a subset of X. Also, we construct examples showing that the collection Fcs(X) = {FcsX (p): p G X} can be homeomorphic to: any finite discrete space, the harmonic sequence, the closure of the harmonic sequence and the Cantor set. Finally, we study the contractibility of M(X); we prove the arc of pseudo-arcs, which is a no contractible continuum, satisfies that its hyperspace of meager subcontinua is contractible, given a solution to Problem 3 of [10]. Most of the results shown in this paper are focus to answer problems and questions posed in [6], [9] and [10]. Also, we rise open problems. [ABSTRACT FROM AUTHOR]- Published
- 2024
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8. Hyperspace AR: an augmented reality application to enhance spatial skills and conceptual knowledge of students in trigonometry.
- Author
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Singh, Gurwinder, Singh, Gurjinder, Tuli, Neha, and Mantri, Archana
- Subjects
AUGMENTED reality ,TRIGONOMETRIC functions ,HYPERSPACE ,ENGINEERING students ,COMPUTER graphics ,EXPERIENTIAL learning ,ENGINEERING education ,TRIGONOMETRY - Abstract
The mathematics curriculum has become more dynamic, rigorous, and interdisciplinary in recent years. Therefore, complementing the academic concepts with practical and experiential learning is essential to optimize the learning outcomes. When daunting scientific principles and topics are implemented by traditional diagrams and equations, most students have trouble visualizing; restricting their ability to grasp the idea in detail. Augmented reality has recently become an engineering education method to teach abstract concepts as it enhances the visualization and understanding of technical concepts. In this paper, an augmented reality-based application, 'Hyperspace', was developed to enhance undergraduate students' spatial skills and conceptual knowledge in trigonometry. Hyperspace provides students with features such as augmenting three-dimensional trigonometric functions. These trigonometric functions are dynamically generated using procedural content generation algorithms and computer graphics in augmented reality. An experimental study was conducted to evaluate the effectiveness of Hyperspace on the spatial skills and conceptual knowledge of the students. In total, 127 first-year engineering students took part in the study, and they were randomly assigned to two groups. The students of one group were taught using an AR-based application, and students of the other group were taught using a traditional approach. The experimental outcomes indicate that the augmented reality-based application 'Hyperspace' has significantly enhanced the spatial skills and conceptual knowledge of students when learning about trigonometry. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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9. Topological aspects of the space of metric measure spaces.
- Author
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Kazukawa, Daisuke, Nakajima, Hiroki, and Shioya, Takashi
- Abstract
Gromov introduced two distance functions, the box distance and the observable distance, on the space of isomorphism classes of metric measure spaces and developed the convergence theory of metric measure spaces. We investigate several topological properties on the space equipped with these distance functions toward a deep understanding of convergence theory. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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10. Topological transformation groups on hyperspace and Dugundji compacta.
- Author
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Beshimova, Dilorom
- Subjects
TRANSFORMATION groups ,TOPOLOGICAL groups ,TOPOLOGICAL spaces ,HYPERSPACE - Abstract
For a given topological transformations group on a Tychonoff space a topological transformations group is constructed on the corresponding hyperspace. We show that if the action of the given group is open, then the induced action is also open. In this case an example is built showing that the openness of the given action is significant. Further we establish that if the diagonal product of a given family of continuous mappings of Tychonoff space is an embedding, then the diagonal product of the family of induced maps of the corresponding hyperspace is also an embedding. One criteria of the Dugundji compactness of hyperspace is obtained. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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11. Uniformly linked space and its hyperspace.
- Author
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Beshimov, Ruzinazar and Safarova, Dilnora
- Subjects
HYPERSPACE ,UNIFORM spaces - Abstract
In this paper, we will study the connection between a uniformly connected, uniformly pseudocompact, P-precompact and its hyperspace. It is proved that if a uniform space (X, 풰) is uniformly pseudocompact iff (exp
c X, expc 풰) is uniformly pseudocompact. It is also shown that if a uniform space (X, 풰) is P-precompact, then a uniform space (expc X, expc 풰) is P-precompact. [ABSTRACT FROM AUTHOR]- Published
- 2024
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12. VARIATIONS OF SEPARABILITY AND SUPERTIGHTNESS OF HYPERSPACES.
- Author
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Sen, Ritu
- Subjects
HAUSDORFF spaces ,COMMERCIAL space ventures ,HYPERSPACE - Abstract
For a Hausdorff non-compact space X, relationships between closure-type properties of the hyperspace (Λ,τ
+ Δ ) and covering properties of that of X have been studied. We then investigate selective separability and some variations of this property. Finally supertightness of (Λ,τ+ Δ ) has been studied. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
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13. Irreducibility of strong size levels.
- Author
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Illanes, Alejandro and Martínez-de-la-Vega, Verónica
- Abstract
Given a continuum X, C
n (X) denotes the hyperspace of nonempty closed subsets of X with at most n components. A strong size level is a subset of the form σ−1 (t), where σ is a strong size map for Cn (X) and t ∈ (0, 1]. In this paper, answering a question by Capulín-Pérez, Fuentes-Montes de Oca, Lara-Mejía and Orozco-Zitli, we prove that for each n ≥ 2, no strong size level for Cn (X) is irreducible. [ABSTRACT FROM AUTHOR]- Published
- 2024
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14. On K-stability of Fano weighted hypersurfaces.
- Author
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Sano, Taro and Tasin, Luca
- Subjects
HYPERSURFACES ,HYPERSPACE ,MATHEMATICAL symmetry ,AUTOMORPHISMS ,ISOMORPHISM (Mathematics) - Abstract
Let X ⊂ P(a0,. . ., an) be a quasi-smooth weighted Fano hypersurface of degree d and index IX such that ai | d for all i. If IX = 1, we show that, under a suitable condition, the α-invariant of X is greater than or equal to dimX/(dimX +1) and X is K-stable. This can be applied in particular to any X as above such that dimX ⩽ 3. If X is general and IX < dimX, then we show that X is K-stable. We also give a sufficient condition for the finiteness of automorphism groups of quasi-smooth Fano weighted complete intersections. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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15. Variations of star selection principles on hyperspaces.
- Author
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Casas-de la Rosa, Javier
- Subjects
HYPERSPACE ,COMMERCIAL space ventures ,TOPOLOGY - Abstract
In this paper, we define some combinatorial principles to characterize spaces X whose hyperspace satisfies some variation of some classical star selection principle. Specifically, the variations characterized are the selective and absolute versions of the star selection principles for the Menger and Rothberger cases; also, the hyperspaces considered in these characterizations are CL(X), 핂(X), 픽(X) and ℂ핊(X) in both cases, endowed with either the Fell topology or the Vietoris topology. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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16. Set-valued equilibrium problems based on the concept of null set with applications.
- Author
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Chuang-Liang Zhang
- Subjects
SET-valued maps ,EQUILIBRIUM ,HYPERSPACE - Abstract
In this paper, by means of the null set defined by Wu (J Math Anal Appl. 2019;472:1741–1761), we introduce a set-valued equilibrium problem based on the null set, where the objective mapping takes values in a hyperspace equipped with a convex cone. Moreover, we obtain new existence results for set-valued equilibrium problems defined on compact or noncompact sets. Some applications are given to set optimization problems, to a set-valued variational inequality, to saddle point theorems for set-valued mappings, and to a generalized noncooperative game [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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17. On some questions on selectively highly divergent spaces.
- Author
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BELLA, ANGELO and SPADARO, SANTI
- Subjects
TOPOLOGICAL spaces ,HYPERSPACE - Abstract
A topological space X is selectively highly divergent (SHD) if for every sequence of non-empty open sets {U
n : n ε ω} of X, we can find points xn ε Un , for every n < ω such that the sequence {xn : n ∊ ω} has no convergent subsequences. In this note we answer four questions related to this notion that were asked by Jiménez-Flores, Ríos-Herrejón, Rojas-Sánchez and Tovar-Acosta. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
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18. Kalman Filter Tuning for State Estimation of Lithium‐Ion Batteries by Multi‐Objective Optimization via Hyperspace Exploration.
- Author
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Mößle, Patrick, Tietze, Tobias, and Danzer, Michael A.
- Subjects
KALMAN filtering ,LITHIUM-ion batteries ,HYPERSPACE ,STANDARD deviations ,COVARIANCE matrices - Abstract
For the estimation of the state of charge of lithium‐ion batteries Kalman filters are the state of the art. To ensure precise and reliable estimations these filters use covariance matrices, which need to be tuned correctly by the developer. This process is time‐consuming and depends largely on the experience and skill of the developer. Hence, filter tuning is not reproducible and not optimal with regard to goals as accuracy and convergence speed. Herein a multiobjective optimization framework called hyperspace exploration is used for the first time to automate the filter tuning procedure for an extended Kalman filter and two versions of adaptive extended Kalman filters. Four key performance indicators, including the maximum error in the estimation of the state of charge and the according root mean square error, are used to describe, validate, and compare the filter performance. This automated process enables optimal usage of the degrees of freedom in filter tuning and no longer requires manual tuning while the whole hyperspace, including different use cases and validation scenarios, is considered in the optimization. Furthermore, the proposed approach yields a novel method for the evaluation of filter parameters and their influence on the estimation behavior. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
19. On Polynomial Entropy Of Induced Maps On Symmetric Products.
- Author
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Ðorić, M., Katić, J., and Lasković, B.
- Subjects
ENTROPY ,POLYNOMIALS ,COMPACT spaces (Topology) - Abstract
We give a lower bound for the polynomial entropy of the induced map on an n -fold symmetric product of X , for a homeomorphism f with at least one wandering point, on a compact space X . Also, we compute some polynomial entropies using this result. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
20. Mathematical Treatment of Bimodality for the Safety Factor in Riverbank Stability Analysis Using Cusp Catastrophe.
- Author
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Sadeghfam, Sina, Moazamnia, Marjan, and Khatibi, Rahman
- Subjects
SAFETY factor in engineering ,RIPARIAN areas ,DISASTERS ,HYPERSPACE - Abstract
The safety factor (SF) in riverbank stability problems for noncohesive soils is treated mathematically in this article to unravel its inherent bimodality, as stipulated by the cusp catastrophe technique in a hyperspace. The developed methodology may be contrasted with traditional approaches delineating the SF space to failure and operational states. The emerging three states are a significant shift from traditional treatments overlooking bimodality. The mathematical treatment presented in the technical note incorporates classic soil equations for noncohesive soils into the cusp catastrophe technique, with clear formulations at multiple levels of a potential function, including the energy level. The integrated mathematical expressions use soil properties to express lower order properties such as catastrophe flags, for example, bifurcation sets, hysteresis, and bimodality delineating sudden and gradual change in the state of a system. These equations show that even the SF of operational states depends on soil properties and gravity, and therefore a safe use of the SF requires a deep knowledge of the SF hyperspace. Practical applications of the new mathematical development presented in the technical note may be viewed in three steps. In Step 1, the tacit nature of the cusp catastrophe bimodality of safety factor in riverbank stability problems needs to be tested through experimental data. The laboratory tests and fieldwork can be designed to encompass the full range of cases comprising: (i) the failure region; (ii) the operational region; and (iii) their bimodal zone. In Step 2, the existence of the three cases is verified by various applications to underpin the dependency of the safety factor on soil parameters. In Step 3, this new knowledge is realized by wide applications to gain an insight into behaviors of safety factors in wide-ranging problems such as natural slopes, channels, embankments, riverbanks, and levees. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
21. Fuzzy sets on uniform spaces.
- Author
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Jardón, Daniel, Sánchez, Iván, and Sanchis, Manuel
- Subjects
UNIFORM spaces ,FUZZY sets ,FUZZY graphs ,METRIC spaces ,UNIFORMITY - Abstract
Given a uniform space (X, U), we introduce, from the uniformity U, some uniformities on the set F(X) of all normal, upper semicontinuous with compact support fuzzy sets on X: the Skorokhod uniformity, the level-wise uniformity, the endograph uniformity and the sendograph uniformity. For metric spaces we prove that these uniformities coincide with the uniformities induced by the Skorokhod metric (the level-wise metric, the endograph metric and the sendograph metric, respectively). We study completeness of this class of uniform spaces. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
22. An application of neutrosophic theory on manifolds and their topological transformatio.
- Author
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Abu-Saleem, Mohammed, almallah, Omar, and Al Ouashouh, Nizar Kh.
- Subjects
HYPERSPACE - Abstract
This paper presents an investigation into the mathematical concepts of neutrosophic folding and neuretraction on neutrosophic manifolds, specifically focusing on their application in hyperspace. Through the application of specific transformations on a neutrosophic manifold situated in hyperspace, we can obtain neutrosophic manifolds in lower dimensions. Based on our research, we can accurately establish the connection between neutrosophic folding and neuretraction on a neutrosophic manifold. Furthermore, we can determine the relationship between neuretraction and neutrosophic folding. [ABSTRACT FROM AUTHOR]
- Published
- 2023
23. UNIFORM ESTIMATES FOR SOLUTIONS OF A CLASS OF NONLINEAR EQUATIONS IN A FINITE-DIMENSIONAL SPACE.
- Author
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Koshanov, B. D., Bakytbek, M. B., Koshanova, G. D., Kozhobekova, P. Zh., and Sabirzhanov, M. T.
- Subjects
NONLINEAR equations ,HILBERT space ,HYPERSPACE ,BOUNDARY value problems ,HEAT conduction - Abstract
The need to study boundary value problems for elliptic parabolic equations is dictated by numerous practical applications in the theoretical study of the processes of hydrodynamics, electrostatics, mechanics, heat conduction, elasticity theory, quantum physics. Let H (dimH ≥ 1) -- a finite-dimensional real Hilbert space with inner product <·,·> and norm || · ||. We will study the equation of the following form u + L (u) = g ∈ H, where L(·) is a non-linear continuous transformation, g is an element of the space H, u is the required solution of the problem from H. In this paper, we obtain two theorems on a priori estimates for solutions of nonlinear equations in a finite-dimensional Hilbert space. The work consists of four items. The conditions of the theorems are such that they can be used in the study of a certain class of initial-boundary value problems to obtain strong a priori estimates. This is the meaning of these theorems. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
24. Probabilistic Dual-Space Fusion for Real-Time Human-Robot Interaction.
- Author
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Li, Yihui, Wu, Jiajun, Chen, Xiaohan, and Guan, Yisheng
- Subjects
HUMAN-robot interaction ,SPACE trajectories ,ROBOTS ,LINEAR operators ,HUMAN ecology ,TASK performance ,HYPERSPACE - Abstract
For robots in human environments, learning complex and demanding interaction skills from humans and responding quickly to human motions are highly desirable. A common challenge for interaction tasks is that the robot has to satisfy both the task space and the joint space constraints on its motion trajectories in real time. Few studies have addressed the issue of hyperspace constraints in human-robot interaction, whereas researchers have investigated it in robot imitation learning. In this work, we propose a method of dual-space feature fusion to enhance the accuracy of the inferred trajectories in both task space and joint space; then, we introduce a linear mapping operator (LMO) to map the inferred task space trajectory to a joint space trajectory. Finally, we combine the dual-space fusion, LMO, and phase estimation into a unified probabilistic framework. We evaluate our dual-space feature fusion capability and real-time performance in the task of a robot following a human-handheld object and a ball-hitting experiment. Our inference accuracy in both task space and joint space is superior to standard Interaction Primitives (IP) which only use single-space inference (by more than 33%); the inference accuracy of the second order LMO is comparable to the kinematic-based mapping method, and the computation time of our unified inference framework is reduced by 54.87% relative to the comparison method. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
25. An application of neutrosophic theory on manifolds and their topological transformations.
- Author
-
Abu-Saleem, Mohammed, almallah, Omar, and Al Ouashouh, Nizar Kh.
- Subjects
HYPERSPACE - Abstract
This paper presents an investigation into the mathematical concepts of neutrosophic folding and neuretraction on neutrosophic manifolds, specifically focusing on their application in hyperspace. Through the application of specific transformations on a neutrosophic manifold situated in hyperspace, we can obtain neutrosophic manifolds in lower dimensions. Based on our research, we can accurately establish the connection between neutrosophic folding and neuretraction on a neutrosophic manifold. Furthermore, we can determine the relationship between neuretraction and neutrosophic folding. [ABSTRACT FROM AUTHOR]
- Published
- 2023
26. On the Space of Open Maps of the Cantor Set.
- Author
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Koporkh, K. M. and Zarichnyi, M. M.
- Subjects
CANTOR sets ,IRRATIONAL numbers ,OPEN spaces ,TOPOLOGY - Abstract
We consider the space Ψ(C) of equivalence classes of continuous open maps defined on the Cantor set C and endowed with the Vietoris topology. It is shown that Ψ(C) is homeomorphic to the space of irrational numbers. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
27. Astrotheology: The natural interface between hyperspace and the Trinity.
- Author
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Pieterse, A. C.
- Subjects
HYPERSPACE ,QUANTUM mechanics - Abstract
Over the past few decades, physicists are seeking a unifying theory that could encapsulate the theories of general relativity and quantum mechanics, our understanding of the very big and the infinitesimal small, into one all-inclusive theory. This quest led to a renewed interest in the proposal of hyperspace, which states that the structure of space and time are folded into one another, creating multiple dimensions. The author believes that the biblical confession about the resurrected Christ could be beneficial to science and theology in this respect. Biblical testimony provides insight into the apparent natural and effortless movement of Christ between the different dimensions in nature. Astrotheology, as a nexus between the different disciplines, is well equipped to describe the meaning and implications of the resurrection with regard to the fabric of space-time. The author opines that it could facilitate as a natural interface between hyperspace and the Trinity. This proposal aims to accentuate, from a scriptural point of view, that reality indeed comprises more than four dimensions and that astrotheology could make a significant epistemological contribution in the dialogue about hyperspace and God's agency in creation. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
28. Continua whose hyperspace of subcontinua is infinite dimensional and a cone.
- Author
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MACÍAS, S. and NADLER JR., S. B.
- Subjects
CONES ,HYPERSPACE ,MANIFOLDS (Mathematics) ,MATHEMATICAL models ,MATHEMATICAL analysis - Abstract
We determine several classes of continua whose hyperspaces of subcontinua are infinite dimensional and homeomorphic to cones over (usually) other continuum. In particular, we obtain many Peano continua with such a property. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
29. COMPUTING WITH INFINITE OBJECTS: THE GRAY CODE CASE.
- Author
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SPREEN, DIETER and BERGER, ULRICH
- Subjects
GRAY codes ,HYPERSPACE ,ARCHIMEDEAN property ,INDUCTION (Logic) ,REAL numbers ,FIRST-order logic - Abstract
Infinite Gray code has been introduced by Tsuiki [Ts02] as a redundancyfree representation of the reals. In applications the signed digit representation is mostly used which has maximal redundancy. Tsuiki presented a functional program converting signed digit code into infinite Gray code. Moreover, he showed that infinite Gray code can effectively be converted into signed digit code, but the program needs to have some non-deterministic features (see also [TS05]). Berger and Tsuiki [BT21a, BT21b] reproved the result in a system of formal first-order intuitionistic logic extended by inductive and co-inductive definitions, as well as some new logical connectives capturing concurrent behaviour. The programs extracted from the proofs are exactly the ones given by Tsuiki. In order to do so, co-inductive predicates S and G are defined and the inclusion S ⊆ G is derived. For the converse inclusion the new logical connectives are used to introduce a concurrent version S2 of S and G ⊆ S
2 is shown. What one is looking for, however, is an equivalence proof of the involved concepts. One of the main aims of the present paper is to close the gap. A concurrent version G* of G and a modification S * of S2 are presented such that S * = G*. A crucial tool in [BT21a] is a formulation of the Archimedean property of the real numbers as an induction principle. We introduce a concurrent version of this principle which allows us to prove that S * and G* coincide. A further central contribution is the extension of the above results to the hyperspace of non-empty compact subsets of the reals. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
30. Shadowing Property of Hyperspace for Free Semigroup Actions.
- Author
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Huang, Xiaojun, Wang, Xian, and Qiu, Lin
- Subjects
METRIC spaces ,HYPERSPACE ,COMMERCIAL space ventures ,COMPACT spaces (Topology) - Abstract
In this paper, we introduce a notion of shadowing property for a free semigroup action on a compact metric space, which is different of the notion of the shadowing property introduced by Bahabadi, called chain shadowing property. We study the relation between the shadowing property of a free semigroup action on a compact metric space X and the shadowing property of the induced free semigroup action on the hyperspace 2
X . Specially, we not only theoretically prove that (F m + , F) ↷ X has the (chain) shadowing property if and only if (F m + , F) ↷ 2 X has the (chain) shadowing property, but also give examples to illustrate it. Finally, we compare the two notions of shadowing for free semigroup actions and obtain an interesting result that if (F m + , F) ↷ X has the shadowing property, then it has the chain shadowing property, but not vice versa. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
31. THE σ-POINT-FINITE cn-NETWORKS (ck-NETWORKS) OF PIXLEY-ROY HYPERSPACES.
- Author
-
Luong Quoc Tuyen and Ong Van Tuyen
- Subjects
HYPERSPACE ,COMMERCIAL space ventures - Abstract
In this paper, we study the relation between a space X satisfying certain generalized metric properties and the Pixley-Roy hyperspace F[X] over X satisfying the same properties. We prove that if X has a s-point-finite cn-network (resp., ck-network), then F[X] also has a s-point-finite cn-network (resp., ck-network). [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
32. A Workload-Aware DVFS Robust to Concurrent Tasks for Mobile Devices.
- Author
-
Lin, Chengdong, Wang, Kun, Li, Zhenjiang, and Pu, Yu
- Subjects
ENERGY consumption ,HYPERSPACE ,METADATA ,VOLTAGE ,GOVERNORS - Abstract
Power governing is a critical component of modern mobile devices, reducing heat generation and extending device battery life. A popular technology of power governing is dynamic voltage and frequency scaling (DVFS), which adjusts the operating frequency of a processor to balance its performance and energy consumption. With the emergence of diverse workloads on mobile devices, traditional DVFS methods that do not consider workload characteristics become suboptimal. Recent application-oriented methods propose dedicated and effective DVFS governors for individual application tasks. Since their approach is only tailored to the targeted task, performance drops significantly when other tasks run concurrently, which is however common on today's mobile devices. In this paper, our key insight is that hardware meta-data, widely used in existing DVFS designs, has great potential to enable capable workload awareness and task concurrency adaptability for DVFS, but they are underexplored. We find that workload characteristics can be described in a hyperspace composed of multiple dimensions derived from these metadata to form a novel workload contextual indicator to profile task dynamics and concurrency. On this basis, we propose a meta-state metric to capture this relationship and design a new solution, GearDVFS. We evaluate it for a rich set of application tasks, and it outperforms state-of-the-art methods. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
33. garden buildings.
- Author
-
FINCH, ELLEN
- Subjects
ARCHITECTURAL studios ,ROCK music ,ECOLOGICAL houses ,CRYPTOMERIA japonica ,HYPERSPACE ,DESKS - Abstract
This article discusses various garden buildings that serve multiple purposes, such as offices, guest spaces, and hideouts for downtime. The structures mentioned include a folding panel pavilion in Prague that can be converted from a cozy cabin to a sun shelter, a studio space for a ceramic artist in New South Wales that sits above the ground on stilts, a Peckham-based architectural practice's experimental project with a lightweight timber frame and iridescent dipped steel, and an old garage in Berkhamsted that has been transformed into a garden studio. Each structure has unique design elements and features that make them interesting and functional. [Extracted from the article]
- Published
- 2024
34. The Planck boundary within the hyperspace of the circle of pseudo-arcs.
- Author
-
Domokos, A. and Prajs, J. R.
- Subjects
HYPERSPACE ,CURVATURE ,UNIVERSE - Abstract
In this paper we point out an interesting geometric structure of nonnegative metric curvature emerging from the hyperspaces of decomposable, non-locally connected homogeneous continua, where "smooth" and "non-smooth" partitions live together, similarly to the macroscopic and the quantum realms of the Universe. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
35. Spectrum of Zariski Topology in Multiplication Krasner Hypermodules.
- Author
-
Türkmen, Ergül, Nişancı Türkmen, Burcu, and Kulak, Öznur
- Subjects
TOPOLOGY ,MULTIPLICATION ,TOPOLOGICAL property ,HYPERSPACE - Abstract
In this paper, we define the concept of pseudo-prime subhypermodules of hypermodules as a generalization of the prime hyperideal of commutative hyperrings. In particular, we examine the spectrum of the Zariski topology, which we built on the element of the pseudo-prime subhypermodules of a class of hypermodules. Moreover, we provide some relevant properties of the hypermodule in this topological hyperspace. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
36. The Multi-sensitivity and Topological Sequence Entropy of Dynamical System with Group Action.
- Author
-
Huang, Xiao Jun and Zhu, Bin
- Subjects
DYNAMICAL systems ,TOPOLOGICAL entropy ,HYPERSPACE ,ENTROPY - Abstract
In this paper, we study the relationship between the multi-sensitivity and the topological maximal sequence entropy of dynamical systems for general group action. Furthermore, we also discuss the consistency of multi-sensitivity of a dynamical system (G ↷ X) and its hyperspace dynamical system G ↷ K(X). Moreover, we research the relationship between the multi-sensitivity of two dynamical systems and the multi-sensitivity of their product space dynamical system. Finally, we prove that if the topological sequence entropy of G ↷ X vanishes, then so does that of its induced system G ↷ ℳ (X) ; if the topological sequence entropy of G ↷ X is positive, then that of its induced system G ↷ ℳ (X) is infinity. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
37. Banach-valued Bloch-type functions on the unit ball of a Hilbert space and weak spaces of Bloch-type.
- Author
-
THAI THUAN QUANG
- Subjects
BANACH algebras ,BLOCH equations ,HILBERT space ,HOLOMORPHIC functions ,HYPERSPACE - Abstract
In this article, we study the space B
μ (BX ,Y) of Y-valued Bloch-type functions on the unit ball BX of an infinite dimensional Hilbert space X with μ is a normal weight on BX and Y is a Banach space. We also investigate the characterizations of the space WBμ (BX ) of Y-valued, locally bounded, weakly holomorphic functions associated with the Bloch-type space Bμ (BX ) of scalar-valued functions in the sense that f ∈ WBμ (BX ) if w ∘ f ∈ Bμ (BX) for every w ∈ W, a separating subspace of the dual Y′ of Y. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
38. The algebra of thin measurable operators is directly finite.
- Author
-
BIKCHENTAEV, AIRAT M.
- Subjects
ALGEBRA ,VON Neumann algebras ,HILBERT space ,IDEMPOTENTS ,HYPERSPACE - Abstract
Let M be a semifinite von Neumann algebra on a Hilbert space H equipped with a faithful normal semifinite trace τ, S(M, τ) be the *-algebra of all τ-measurable operators. Let S
0 (M, τ) be the *-algebra of all τ-compact operators and T(M, τ) = S0 (M, τ) + CI be the *-algebra of all operators X = A + λI with A ∈ S0 (M, τ) and λ ∈ C. It is proved that every operator of T (M, τ) that is left-invertible in T(M, τ) is in fact invertible in T(M, τ). It is a generalization of Sterling Berberian theorem (1982) on the subalgebra of thin operators in B(H). For the singular value function μ(t; Q) of Q = Q2 ∈ S(M, τ), the inclusion μ(t; Q) ∈ {0}⋃[1, + ∞) holds for all t > 0. It gives the positive answer to the question posed by Daniyar Mushtari in 2010. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
39. Shadowing, topological entropy and recurrence of induced Morse–Smale diffeomorphism.
- Author
-
Arbieto, A. and Bohorquez, J.
- Abstract
Let f : M → M be a Morse–Smale diffeomorphism defined on a compact and connected manifold without boundary. Let C(M) denote the hyperspace of all subcontinua of M endowed with the Hausdorff metric and C (f) : C (M) → C (M) denote the induced homeomorphism of f. We show in this paper that if M is the unit circle S 1 then the induced map C(f) has not the shadowing property. Also we show that the topological entropy of C(f) has only two possible values: 0 or ∞ . In particular, we show that the entropy of C(f) is 0 when M is the unit circle S 1 and it is ∞ if the dimension of the manifold M is greater than two. Furthermore, we study the recurrence of the induced maps 2 f and C(f) and sufficient conditions to obtain infinite topological entropy in the hyperspace. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
40. Translation hypersurfaces of semi-Euclidean spaces with constant scalar curvature.
- Author
-
Sağlam, Derya and Sunar, Cumali
- Subjects
HYPERSURFACES ,EUCLIDEAN geometry ,CURVATURE ,HYPERSPACE ,SCALAR field theory - Abstract
In this paper, we present translation hypersurfaces of semi-Euclidean spaces with zero scalar curvature. In addition, we prove that translation hypersurfaces with constant scalar curvature must have zero scalar curvature in the semi-Euclidean space ... . [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
41. MULTIPLICITY OF POSITIVE RADIAL SOLUTIONS FOR SEMILINEAR ELLIPTIC EQUATION WITH LOCALLY CONCAVE-CONVEX VARIABLE EXPONENT.
- Author
-
CHANGMU CHU and YING YU
- Subjects
ELLIPTIC equations ,MATHEMATICS ,MATHEMATICAL variables ,HYPERSPACE ,BERNOULLI equation - Abstract
This paper is concerned with the following semilinear elliptic equation −∆u = u
q(x)−1 , in B, u > 0, in B, u = 0, in ∂B, where B is the unit ball in R N(N ≥ 3), q(x) = q(|x|) is a continuous radial function satifying 1 < minx∈B q(x) = q− < 2 < q+ = maxx∈B q(x) < 2 ∗ = 2N/N−2, and q(0) > 2. By means of variational methods and a priori estimate, we obtain that the problem above has at least two positive radial solutions. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
42. SOME NEW q-HERMITE-HADAMARD-MERCER INEQUALITIES AND RELATED ESTIMATES IN QUANTUM CALCULUS.
- Author
-
ALI, MUHAMMAD AAMIR and KOBIS, ELISABETH
- Subjects
HERMITE polynomials ,MATHEMATICS ,CALCULUS ,DIFFERENTIAL equations ,HYPERSPACE - Abstract
In this paper, we establish a quantum version of the Hermite-Hadamard-Mercer inequalities using the well-known Jensen-Mercer inequality. Moreover, we derive some new q-midpoint and q-trapezoidal type inequalities for differentiable functions. The newly developed inequalities are also shown to be the extensions of preexisting inequalities in the literature. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
43. A DOUBLE PROJECTION ALGORITHM WITH INERTIAL EFFECTS FOR SOLVING SPLIT FEASIBILITY PROBLEMS AND APPLICATIONS TO IMAGE RESTORATION.
- Author
-
SUANTAI, SUTHEP, KESORNPROM, SUPARAT, and CHOLAMJIAK, PRASIT
- Subjects
HILBERT space ,HYPERSPACE ,MATHEMATICS ,IMAGE reconstruction ,PROJECTION (Psychology) - Abstract
In this paper, we derive a new projection algorithm by incorporating inertial effects for solving a split feasibility problem in real Hilbert spaces. We then establish a weak convergence theorem under some suitable conditions. As an application, we apply our result to image restoration. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
44. ACADEMICIAN MILOSAV M. MARJANOVIĆ.
- Author
-
Živaljević, Rade
- Subjects
HYPERSPACE ,COLLEGE teachers ,HISTORY of mathematics ,NETS (Mathematics) ,ELEMENTARY school teachers ,METRIC spaces - Published
- 2023
45. On setwise betweenness.
- Author
-
SHAKIR, QAYS R.
- Subjects
HYPERSPACE ,TOPOLOGICAL spaces ,GENERALIZATION ,TOPOLOGY - Abstract
In this article, we investigate the notion of setwise betweenness, a concept introduced by P. Bankston as a generalisation of pointwise betweenness. In the context of continua, we say that a subset C of a continuum X is between distinct points a and b of X if every subcontinuum K of X containing both a and b intersects C. The notion of an interval [a, b] then arises naturally. Further interesting questions are derived from considering such intervals within an associated hyperspace on X. We explore these ideas within the context of the Vietoris topology and n-fold symmetric product hyperspaces on all nonempty closed subsets of a topological space X, CL(X). Moreover, an alternative pointwise interval, derived from setwise intervals, is introduced. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
46. Selection principles and bitopological hyperspaces.
- Author
-
OSIPOV, ALEXANDER V.
- Subjects
HYPERSPACE ,HAUSDORFF spaces ,COMMERCIAL space ventures - Abstract
In this paper we continue to research relationships between closure-type properties of hyperspaces over a space X and covering properties of X. For a Hausdorff space X we denote by 2
X the family of all closed subsets of X. We investigate selection properties of the bitopological space (2X, Δ1 + , Δ2 + ) where Δi + is the upper Δi-topology for each i=1,2. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
47. On Star Selection Principles Theory.
- Author
-
Kočinac, Ljubiša D. R.
- Subjects
TOPOLOGY ,HYPERSPACE - Abstract
The aim of this paper is to review up-to-date recent results in the field of star selection principles, a rapidly growing area of topology, and to present a few new results. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
48. Hierarchical Layout Blending with Recursive Optimal Correspondence.
- Author
-
Xu, Pengfei, Li, Yifan, Yang, Zhijin, Shi, Weiran, Fu, Hongbo, and Huang, Hui
- Subjects
HYPERSPACE ,ALGORITHMS - Abstract
We present a novel method for blending hierarchical layouts with semantic labels. The core of our method is a hierarchical structure correspondence algorithm, which recursively finds optimal substructure correspondences, achieving a globally optimal correspondence between a pair of hierarchical layouts. This correspondence is consistent with the structures of both layouts, allowing us to define the union of the layouts' structures. The resulting compound structure helps extract intermediate layout structures, from which blended layouts can be generated via an optimization approach. The correspondence also defines a similarity measure between layouts in a hierarchically structured view. Our method provides a new way for novel layout creation. The introduced structural similarity measure regularizes the layouts in a hyperspace. We demonstrate two applications in this paper, i.e., exploratory design of novel layouts and sketch-based layout retrieval, and test them on a magazine layout dataset. The effectiveness and feasibility of these two applications are confirmed by the user feedback and the extensive results. The code is available at https://github.com/lyf7115/LayoutBlending. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
49. Regular local hyperrings and hyperdomains.
- Author
-
Bordbar, Hashem, Jančiċ-Rašoviċ, Sanja, and Cristea, Irina
- Subjects
PARAMETERS (Statistics) ,SEMIGROUPS (Algebra) ,COMPUTER simulation ,HYPERSPACE ,ALGEBRA - Abstract
This paper falls in the area of hypercompositional algebra. In particular it focuses on the class of Krasner hyperrings and it studies the regular local hyperrings. These are Krasner hyperrings R with a unique maximal hyperideal M having the dimension equal to the dimension of the vectorial hyperspace M M2. The aim of the paper is to show that any regular local hyperring is a hyperdomain. For proving this, we make use of the relationship existing between the dimension of the vectorial hyperspaces related to the hyperring R and to the quotient hyperring R = R ⟨a⟩, where a is an element in M \ M2, and of the regularity of R. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
50. Subspace-based nonzero component graph of a finite dimensional vector space.
- Author
-
Pirzada, S., Wani, Bilal A., and Al-Kaseasbeh, Saba
- Subjects
COMPLETE graphs ,FINITE fields ,FINITE, The ,HYPERSPACE - Abstract
Let be a vector space over a field ℱ with basis ℬ = { α 1 , α 2 , ... , α n }. Let W be an m -dimensional subspace of with basis { α w 1 , α w 2 , ... , α w m } , where α w i is some α j ∈ ℬ. We introduce the subspace-based nonzero component graph, denoted by Γ W ( α) = (V , E) , of the finite dimensional vector space with respect to W and ℬ as follows: V = ∖ W and for u , v ∈ V , there is an edge between u and v if and only if either W u ⊂ W v or W v ⊂ W w , where u = u 1 α 1 + u 2 α 2 + ⋯ + u k α k , 1 ≤ k ≤ n and W u = { α w 1 , α w 2 , ... , α w m } ∪ { α 1 , α 2 , ... , α k }. We investigate the connectivity, diameter and completeness of Γ W ( α). Further, we find its domination number and independence number. If W is a subspace of a vector space, we show that the graph is complete if and only if W is a hyperspace. Finally, we determine the degree of each vertex in case the base field is finite. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
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