36 results on '"I Gede Adhitya Wisnu Wardhana"'
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2. Indeks Padmakar-Ivan dan indeks Randic pada graf non-koprima dari grup bilangan bulat modulo
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Lalu Hasan Ghoffari, I Gede Adhitya Wisnu Wardhana, and Abdurahim Abdurahim
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Mathematics ,QA1-939 - Abstract
Graph theory, introduced by the Swiss mathematician Leonhard Euler in 1736, has played a pivotal role in solving real-world problems since its inception, notably exemplified by Euler's solution to the Konigsberg Bridge problem. Its applications extend to various domains, including scheduling, shortest path routing, and chemical structure representation. In chemistry, graphs are extensively used to depict molecular structures and chemical compounds, aiding in visualizing atomic connections and overall compound configurations. Topology indices, such as the Padmakar-Ivan (PI) and Randic indices, provide numerical values capturing chemical bonding relationships. Beyond chemical structures, these indices find applications in abstract algebraic graph representations. Recent research, exemplified by Husni et al.'s work on the harmonic and Gutman indices, explores these indices in coprime graphs of integer groups modulo prime power orders. Additionally, studies on non-coprime graphs of integer groups modulo reveal unique characteristics and invariants, shedding light on their structure. The non-coprime graph is a graph with two vertices said to be adjacent if the greatest common divisor (GCD) of their orders is not equal to one. This paper aims to investigate the topological indices, specifically the Padmakar-Ivan and Randic indices, in non-coprime graphs of integer groups modulo, adding depth to our understanding of their applicability and significance in abstract algebraic representations. Keywords: Graph theory, padmakar-ivan index, randic index, non-coprime graphs MSC2020: 05C09
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- 2024
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3. Super (a,d)-P_2⨀P_m-Antimagic Total Labeling of Corona Product of Two Paths
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Bela Zainun Yatin, Zata Yumni Awanis, and I Gede Adhitya Wisnu Wardhana
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(a,d)-h-antimagic total labeling ,corona product ,h-covering ,path ,super (a,d)- h-antimagic total labeling. ,Mathematics ,QA1-939 - Abstract
Graph labeling involves mapping the elements of a graph (edges and vertices) to a set of positive integers. The concept of an anti-magic super outer labeling (a,d)-H pertains to assigning labels to the vertices and edges of a graph using natural numbers {1,2,3,...,p+q}. The weights of the outer labels H form an arithmetic sequence {a,a+d,a+2d,...,a+(k-1)d}, where 'a' represents the first term, 'd' is the common difference, and 'k' denotes the total number of outer labels, with the smallest label assigned to a vertex. This study investigates the super (a,d)-P_2⨀P_m-antimagic total labeling of the corona product P_n⨀P_m, where n and m are both greater than or equal to 3. We define the labeling functions for vertices and edges based on the partitioning of labels into three subsets. Using k-balanced and (k,δ)-anti balanced multisets, we demonstrate that for m being odd, P_n⨀P_m is super (9m^2 n+4mn+m-n+3,1)-P_2 ⨀▒P_(m ) -antimagic, and for m being even, P_n⨀P_m is super (9m^2 n+4mn+m-2n+5,3)-P_2 ⨀▒P_(m ) -antimagic. The labeling scheme is illustrated through examples. For the case when m is odd, an antimagic total labeling of P_3 ⨀▒P_3 forms a super (282,1)- P_2 ⨀▒P_(3 ) -antimagic labeling. In the case of even m, an antimagic total labeling of P_3 ⨀▒P_(4 ) results in a super (483,3)- P_2 ⨀▒P_(4 ) -antimagic labeling. Both of these examples provide insights into the antimagic properties of corona products.
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- 2024
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4. The Structures of Non-Coprime Graphs for Finite Groups from Dihedral Groups with Regular Composite Orders
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Sita Armi Aulia, I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, Salwa Salwa, Wahyu Ulyafandhie Misuki, and Nguyen Dang Hoa Nghiem
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dihedral group ,disjoint subgraph ,non-coprime graph ,Mathematics ,QA1-939 - Abstract
Abstract For any finite group, the non-coprime graph of the group is a graph with vertices consisting of all non-identity elements of the group. Two different vertices are considered adjacent if their orders are not coprime, meaning their greatest common divisor (gcd) is not equal to one. Misuki provides the structure of the non-coprime graph for the dihedral group when the order is a prime power. We establish a more general property for cases where the order of the group is a regular composite number, discovering that the structure of the non-coprime graph for a dihedral group can be partitioned into some number of complete subgraphs. Keywords: dihedral group; disjoint subgraph; non-coprime graph. Abstrak Untuk sebarang grup hingga, graf non-coprime dari grup tersebut adalah graf dengan simpul yang terdiri dari semua elemen non-identitas dari grup tersebut. Dua simpul yang berbeda dianggap bertetangga jika orde mereka tidak saling prima, artinya pembagi terbesar bersama (gcd) mereka tidak sama dengan satu. Misuki memberikan struktur graf non-coprime untuk grup dihedral ketika ordenya adalah pangkat prima. Pada studi ini didapatkan sifat yang lebih umum ketika orde grup adalah bilangan komposit biasa. Didapatkan juga bahwa struktur graf non-coprime dari grup dihedral dapat dipartisi menjadi beberapa subgraf lengkap. Kata Kunci: graf non-koprima; grup dihedral; subgraph disjoin. 2020MSC: 05C25, 05C69, 20D60.
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- 2023
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5. Some Characteristics of the Prime Graph of Integer Modulo Groups
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Muklas Maulana, I Gede Adhitya Wisnu Wardhana, and Ni Wayan Switrayni
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prime graph ,spanning trees ,hamiltonian graph ,Mathematics ,QA1-939 - Abstract
Abstract The notion of the prime graph of a ring R was first introduced by Bhavanari, Kuncham, and Dasari in 2010. The prime graph of a ring R, denoted by PG(R) is a graph whose vertices are all elements of the ring, where two distinct vertices x and y are adjacent if and only if xRy = 0 or yRx = 0. In this paper, we study the forms and properties of the prime graph of integer modulo group, and some examples of the number of its spanning trees. In this paper, it is found that for all n, the maximum degree of vertices of PG(Z_n) is n-1 and the minimum degree of its vertices is 1. Then, we show that for all n, PG(Z_n) is neither a Hamiltonian graph nor an Eulerian graph. We also found some examples of the number of its spanning trees. Keywords: prime graph; spanning trees; Hamiltonian graph. Abstrak Konsep mengenai graf prima dari suatu gelanggang R pertama kali diperkenalkan oleh Bhavanari, Kuncham, dan Dasari pada tahun 2010. Graf prima dari suatu gelanggang R, yang dinotasikan dengan PG(R), adalah suatu graf yang simpul-simpulnya merupakan semua elemen dari gelanggang tersebut dengan dua buah simpul x dan y yang berbeda akan bertetangga jika dan hanya jika xRy = 0 atau yRx = 0. Di dalam penelitian ini, dikaji mengenai bentuk-bentuk dan sifat-sifat dari PG(Z_n), dan beberapa contoh dari banyak pohon pembangunnya. Pada penelitian ini, ditemukan hasil bahwa untuk setiap n, derajat maksimal dari simpul-simpul di PG(Z_n) adalah n-1 dan derajat minimum dari simpul-simpulnya adalah 1. Hasil selanjutnya yaitu, untuk setiap n, PG(Z_n) bukan merupakan suatu graf Hamiltonian atau graf Eulerian. Ditemukan juga beberapa contoh dari banyaknya pohon pembangun dari PG(Z_n). Kata Kunci: graf prima; pohon pembangun; graf Hamiltonian. 2020MSC: 05E16, 05C90, 20C05
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- 2023
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6. The Clique Number and The Chromatics Number Of The Coprime Graph for The Generalized Quarternion Group
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Marena Rahayu Gayatri, Nurhabibah Nurhabibah, Qurratul Aini, Zata Yumni Awanis, Salwa Salwa, and I Gede Adhitya Wisnu Wardhana
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clique number ,chromatic number ,coprime graph ,generalized quaternion group. ,Mathematics ,QA1-939 - Abstract
Graph theory can give a representation of abstract mathematical systems such as groups or rings. We have many graph representations for a group, in this study we use the coprime graph representation for a generalized quaternion group to find the numerical invariants of the graph, which are the clique number and the chromatic number. The main results obtained from this study are the clique number of the coprime graph representation for the generalized quaternion group is equal to the chromatic number of the coprime graph representation for the generalized quaternion group for each case of the order.
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- 2023
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7. The Decomposition of a Finitely Generated Module over Some Special Ring
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I Gede Adhitya Wisnu Wardhana
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decomposition module ,dedekind domain ,free module ,principal ideal domain ,projective module ,torsion-free module ,Mathematics ,QA1-939 - Abstract
This research aims to give the decompositions of a finitely generated module over some special ring, such as the principal ideal domain and Dedekind domain. One of the main problems with module theory is to analyze the objects of the module. This research was using a literature study on finitely generated modules topics from scientific journals, especially those related to the module theory. And by selective cases we find a pattern to build a conjecture or a hypothesis, by deductive proof, we prove the conjecture and state it as a theorem. The main result in this study is the decomposition of the finitely generated module is a direct sum of the torsion submodule and torsion-free submodule. Since the torsion-free module is always a free module over a principal ideal domain, then the torsion-free submodule is a free module. Last, we generalize the ring, from a principal ideal domain, to a Dedekind domain. We found then the torsion-free submodule became a projective module. Then the decomposition of the finitely generated module is a direct sum of the torsion submodule and the projective submodule. These results should help the researchers to analyze the objects on module theory.
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- 2022
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8. Some Results of The Coprime Graph of a Generalized Quaternion Group Q_4n
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Nurhabibah Nurhabibah, Abdul Gazir Syarifudin, and I Gede Adhitya Wisnu Wardhana
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coprime, generalized quarternion group ,Mathematics ,QA1-939 - Abstract
Abstract The Coprime graph is a graph from a finite group that is defined based on the order of each element of the group. In this research, we determine the coprime graph of generalized quaternion group Q_(4n) and its properties. The method used is to study literature and analyze by finding patterns based on some examples. The first result of this research is the form of the coprime graph of a generalized quaternion group Q_(4n) when n = 2^k, n an odd prime number, n an odd composite number, and n an even composite number. The next result is that the total of a cycle contained in the coprime graph of a generalized quaternion group Q_(4n) and cycle multiplicity when is an odd prime number is p-1. Keywords: Coprime graph, generalized quaternion group, order, path Abstrak Graf koprima merupakan graf dari dari suatu grup hingga yang didefiniskan berdasarkan orde dari masing-masing elemen grup tersebut. Pada penelitian ini akan dibahas tentang bentuk graf koprima dari grup generalized quaternion Q_(4n). Metode yang digunakan dalam penelitian ini adalah studi literatur dan melakukan analisis berdasarkan pola yang ditemukan dalam beberapa contoh. Adapun hasil pertama dari penelitian adalah bentuk graf koprima dari grup generalized quaternion Q_(4n) untuk kasus n = 2^k, n bilangan prima ganjil ganjil, n bilangan komposit ganjil dan n bilangan komposit genap. Hasil selanjutnya adalah total sikel pada graf koprima dari grup generalized quaternion dan multiplisitas sikel ketika bilangan prima ganjil adalah p-1. Kata kunci: Graf koprima, grup generalized quternion, orde
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- 2021
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9. The First Zagreb Index, The Wiener Index, and The Gutman Index of The Power of Dihedral Group
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Evi Yuniartika Asmarani, Sahin Two Lestari, Dara Purnamasari, Abdul Gazir Syarifudin, Salwa Salwa, and I Gede Adhitya Wisnu Wardhana
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General Medicine - Abstract
Research on graphs combined with groups is an interesting topic in the field of combinatoric algebra where graphs are used to represent a group. One type of graph representation of a group is a power graph. A power graph of the group G is defined as a graph whose vertex set is all elements of G and two distinct vertices a and b are adjacent if and only if or for a positive integer and . In addition to mathematics, graph theory can be applied to various fields of science, one of which is chemistry, which is related to topological indices. In this study, the topological indexes will be discussed, namely the Zagreb index, the Wiener index, and the Gutman index of the power graph of the dihedral group where with prime numbers and an natural number. The method used in this research is a literature review. The results obtained from this study are the first Zagreb index, Wiener index, and Gutman index of the power graph of the dihedral group where where is prime and an m natural number respectively is .
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- 2023
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10. Numerical Invariants of Coprime Graph of A Generalized Quaternion Group
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Nurhabibah Nurhabibah, I Gede Adhitya Wisnu Wardhana, and Ni Wayan Switrayni
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General Mathematics - Abstract
The coprime graph of a finite group was defined by Ma, denoted by ΓG, is a graph with vertices that are all elements of group G and two distinct vertices x and y are adjacent if and only if (|x|, |y|) = 1. In this study, we discuss numerical invariants of a generalized quaternion group. The numerical invariant is a property of a graph in numerical value and that value is always the same on an isomorphic graph. This research is fundamental research and analysis based on patterns in some examples. Some results of this research are the independence number of ΓQ4n is 4n − 1 or 3n and its complement metric dimension is 4n − 2 for each n ≥ 2.
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- 2023
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11. PENGENALAN KONSEP TEORI GRAF DI MADRASAH ALIYAH MANHALUL MA’ARIF DAREK, LOMBOK TENGAH, NUSA TENGGARA BARAT
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Jurnal Pepadu, Zata Yumni Awaris, Salwa Salwa, Qurratul Aini, Ni Wayan Switrayni, I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, and Evi Yuniartika Asmarani
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General Medicine - Abstract
Teori Graf memiliki banyak manfaat dan aplikasi di kehidupan sehari-hari. Pada dasarnya, siswa yang mengenyam pendidikan di sekolah menengah sudah menggunakan graf sederhana sejak usia dini, seperti saat mereka diperkenalkan pada rantai makanan, jaringan listrik, penggambaran struktur molekul, dan lain-lain. Namun sayangnya, mereka tidak mengetahui ilmu sains di baliknya karena mereka tidak pernah diberikan sarana untuk mempelajari Teori Graf secara langsung. Karena itu, melalui kegiatan pengabdian kepada masyarakat ini kami menawarkan solusi dari permasalahan di atas dengan memperkenalkan konsep Teori Graf melalui media pembelajaran di kelas, khususnya untuk siswa kelas X di Madrasah Aliyah Manhalul Ma’arif Darek, Lombok Tengah. Secara umum, kegiatan pengabdian kepada masyarakat ini telah berjalan dengan baik dan lancar. Para siswa terlihat sangat aktif dan antusias dalam mengikuti pembelajaran di kelas. Pengenalan konsep Teori Graf yang diberikan pada dasarnya telah berhasil menjadi media bagi para siswa kelas X di Madrasah Aliyah Manhalul Ma’arif Darek, Lombok Tengah, dalam memberikan sudut pandang baru terhadap pelajaran matematika sehingga mereka lebih tertarik dan antusias dalam belajar matematika serta mengetahui manfaat dan aplikasinya di kehidupan sehari-hari.
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- 2023
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12. PELATIHAN PEMBUATAN KUIS INTERAKTIF DENGAN APLIKASI QUIZIZZ DALAM PEMBELAJARAN MATEMATIKA
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Jurnal Pepadu, Ni Wayan Switrayni, I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, Qurratul Aini, Salwa Salwa, Zata Yumni Awanis, and Fariz Maulana
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General Medicine - Abstract
Akhir-akhir ini pembelajaran dalam beberapa jenjang pendidikan dilakukan dengan sistem blended learning yaitu memadukan pembelajaran daring dan luring. Dalam kombinasi proses pembelajaran tersebut guru masih kesulitan memberikan materi dan evaluasi pembelajaran matematika yang interaktif dan menyenangkan. Masalah ini dialami pula oleh para guru di Madrasah Aliyah Manhalul Ma’arif. Oleh karena itu, untuk mengatasi masalah tersebut, kegiatan Pengabdian Kepada Masyarakat ini bertujuan untuk mengenalkan para guru Madrasah Aliyah Manhalul Ma’arif khususnya untuk guru matematika dengan pembuatan slide pembelajaran dan kuis interaktif menggunakan aplikasi Quizizz. Adapun metode yang digunakan adalah dalam bentuk pelatihan secara luring. Pelaksanaan Kegiatan Pengabdian Kepada Masyarakat ini sudah berjalan dengan cukup baik dan lancar. Para guru sangat antusias dalam proses pelatihan dan merasakan bahwa kegiatan ini bermanfaat bagi mereka dalam menyusun slide pembelajaran matematika yang interaktif. Dapat disimpulkan bahwa melalui pelatihan ini, para guru Madrasah Aliyah Manhalul Ma’arif sudah mengenal dan mampu menciptakan materi pembelajaran matematika dalam bentuk slide pembelajaran dan quiz interaktif dan menyenangkan bagi para siswa menggunakan aplikasi Quizizz.
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- 2023
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13. PELATIHAN PENGAPLIKASIAN SOFTWARE GEOGEBRA DALAM RANGKA PENINGKATAN KOMPETENSI KOMPUTASI GURU MATEMATIKA PADA MASA PANDEMI DI SMP ISLAM DAN MADRASAH ALIYAH PONDOK PESANTREN AT-TAMIMY
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Qurratul Aini, Irwansyah Irwansyah, I Gede Adhitya Wisnu Wardhana, Ni Wayan Switrayni, and Salwa Salwa
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General Medicine - Abstract
Sejak bulan maret tahun 2020, akibat wabah virus corona (covid-19), proses belajar mengajar di Indonesia dilakukan dengan pembelajaran daring. Sistem pembelajaran daring adalah sistem pembelajaran tanpa tatap muka secara langsung antara guru dan peserta didik, melainkan secara online yang menggunakan jaringan internet. Berdasarkan hasil analisi masalah, karena penggunaannya yang mudah, sebagaian besar guru SMP Islam dan Madrasah Aliyah Podok Pesantren At-Tamimy menggunakan aplikasi whatsapp, dimana proses pembelajaran dilakukan dengan mengirimkan file materi yang diperoleh dari google atau youtube. Hal tersebut dikarenakan rendahnya kompetensi komputasi dalam hal membuat materi secara mandiri. Oleh karena itu, kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatnya kompetensi komputasi guru, khususnya dalam pengaplikasian software Geogebra dalam membuat ilustrasi bahan ajar dan soal matematika, sehingga mampu menciptakan bahan ajar. Kegiatan pengabdian kepada masyarakat dilakukan dengan memberikan pelatihan pengaplikasian software Geogebra terhadap guru SMP Islam dan Madrasah Aliyah Podok Pesantren At-Tamimy yang dibagi dalam 3 tahapan, yaitu (1) Tahapan Persiapan, (2) Tahapan Pelaksanaan, dan (3) Tahapan Pelaporan. Berdasarkan data yang diperoleh pada saat kegiatan pelatihan, terdapat 85,7% guru SMP Islam dan Madrasah Aliyah Podok Pesantren At-Tamimy yang mengikuti pelatihan belum pernah mengenal software Geogebra. Sebagaian besar para guru masih menggunakan aplikasi excel dalam membuat ilustrasi untuk bahan ajarnya. Oleh karena itu, dengan adanya pelatihan ini para guru sangat antusias dalam mengaplikasikan software Geogebra. Berdasarkan hasil kegiatan pelatihan tersebut, dapat disimpukan bahwa kompetensi komputasi para guru semakin meningkat, terutama pengetahuan para guru tentang software Geogebra dalam hal membuat ilustrasi untuk bahan ajar.
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- 2022
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14. THE HARMONIC INDEX AND THE GUTMAN INDEX OF COPRIME GRAPH OF INTEGER GROUP MODULO WITH ORDER OF PRIME POWER
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I Gede Adhitya Wisnu Wardhana, Qurratul Aini, Abdul Gazir Syarifudin, Ayes Malona Siboro, Hanna Syafitri, and Muhammad Naoval Husni
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General Medicine - Abstract
In the field of mathematics, there are many branches of study, especially in graph theory, mathematically a graph is a pair of sets, which consists of a non-empty set whose members are called vertices and a set of distinct unordered pairs called edges. One example of a graph from a group is a coprime graph, where a coprime graph is defined as a graph whose vertices are members of a group and two vertices with different x and y are neighbors if only if (|x|,|y|)=1. In this study, the author discusses the Harmonic Index and Gutman Index of Coprime Graph of Integer Group Modulo n. The method used in this research is a literature review and analysis based on patterns formed from several case studies for the value of n. The results obtained from this study are the coprime graph of the group of integers modulo n has the harmonic index of and the Gutman index for where is prime and is a natural number.
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- 2022
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15. THE INTERSECTION GRAPH REPRESENTATION OF A DIHEDRAL GROUP WITH PRIME ORDER AND ITS NUMERICAL INVARIANTS
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Zatta Yumni Awanis, I Gede Adhitya Wisnu Wardhana, and Dewi Santri Ramdani
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General Medicine - Abstract
One of the concepts in mathematics that developing rapidly today is Graph Theory. The development of Graph Theory has been combined with Group Theory, that is by representing a group in a graph. The intersection graph from group , noted by , is a graph whose vertices are all non-trivial subgroups of group and two distinct vertices are adjacent in if and only if . In this research the intersection graph of a Dihedral group, we looking for the shapes and numerical invariants. The results obtained are if for , then has a subgraphs and subgraphs , the girth of the graph is 3, radius and diameter of the graph in a row is 2 and 3, and the chromatic number of the graph is
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- 2022
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16. Prime submodul of an integer over itself
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Muhammad Rijal Alfian, Fariz Maulana, Ni Wayan Switrayni, Qurratul Aini, Dwi Noorma Putri, and I Gede Adhitya Wisnu Wardhana
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General Earth and Planetary Sciences - Abstract
One of the sciences used in digital security systems is cryptography. Cryptography is closely related to the integer system, especially prime numbers. Prime numbers themselves have been abstracted a lot. One form of abstraction of prime numbers is the prime ideal. Previous studies have proven that an Ideal is said to be a prime ideal on if and only if I is constructed by a prime element. Other studies have also shown how the prime ideal develops. One of them is the research result of Dauns, where the prime ideal form is developed in the form of a prime submodule. A prime submodule is one of the objects in the module, which is an abstraction of prime numbers. Based on these things, it is exciting if the properties of the prime submodule are applied to other module forms, one of which is the integer module.
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- 2022
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17. WORKSHOP E-MODUL INTERAKTIF DENGAN CANVA UNTUK PEMBELAJARAN PADA MASA PANDEMI COVID-19
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Ni Wayan Switrayni, I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, Qurratul Aini, and Salwa Salwa
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Pandemi covid-19 mempengaruhi berbagai aspek kehidupan di Indonesia, salah satunya adalah sektor Pendidikan. Contohnya, selama masa pandemi covid-19, sebagian besar guru SMP, khususnya di SMP Islam Pondok Pesantren At-Tamimy, hanya memanfaatkan buku teks saja sebagai bahan ajar yang tentunya kurang efektif dan interaktif. Oleh karena itu, kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan untuk mengenalkan para guru SMP Islam Pondok Pesantren At-Tamimy dengan e-modul interaktif untuk pembelajaran daring menggunakan Canva. Hasil dari kegiatan ini menunjukkan bahwa pelaksanaan Kegiatan Pengabdian Kepada Masyarakat ini telah berjalan dengan cukup baik dan lancar. Melalui workshop ini, para guru SMP Islam Pondok Pesantren At-Tamimy diberikan tutorial pembuatan e-modul interaktif yang sebenarnya tidak hanya dapat digunakan dalam proses pembelajaran daring selama masa pandemi covid-19, tetapi juga dapat digunakan untuk pembelajaran secara luring yang lebih efisien, efektif dan menyenangkan karena guru dapat berkreatifitas membuat desain e-modul yang semenarik mungkin bagi siswa. Berdasarkan paparan hasil pelaksanaan kegiatan ini, dapat disimpulkan bahwa tim sudah melaksanakan workshop dengan baik, lancar, dan menyenangkan karena guru dapat berkreatifitas membuat desain e-modul yang semenarik mungkin bagi siswa.
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- 2022
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18. The Power Graph of a Dihedral Group
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Evi Yunartika Asmarani, Abdul Gazir Syarifudin, I Gede Adhitya Wisnu Wardhana, and Ni Wayan Switrayni
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Graph theory is one of the topics in mathematics that is quite interesting to study because it is applicable and can be combined with other mathematical topics such as group theory. The combination of graph theory and group theory is that graphs can be used to represent a group. An example of a graph is a power graph. A power graph of the group is defined as a graph whose vertex set is all elements of and two distinct vertices and are connected if and only if or for a positive integer x and y. In this study, the author discusses the power graph of the dihedral group The results obtained from this study are the power graph of the dihedral group where with prime numbers and an natural number is a graph consisting of two non-disjoint subgraphs, namely complete subgraphs and star subgraphs. And we find that its radius and diameter are 1 and 2.
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- 2022
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19. The Intersection Graph of a Dihedral Group
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Nurhabibah Nurhabibah, Abdul Gazir Syarifudin, I Gede Adhitya Wisnu Wardhana, and Qurratul Aini
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The intersection graph of a finite group G is a graph (V,E) where V is a set of all non-trivial subgroups of G and E is a set of edges where two distinct subgroups H_i , H_j are said to be adjacent if and only if H_i \cap H_j \neq {e} . This study discusses the intersection graph of a dihedral group D_{2n} specifically the subgraph, degree of vertices, radius, diameter, girth, and domination number. From this study, we obtained that if n=p^2 then the intersection graph of D_{2n} is containing complete subgraph K_{p+2} and \gamma(\Gamma_{D_{2n}})=p.
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- 2021
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20. Some Special Graphs of Quaternion Group
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Abdul Gazir S and I Gede Adhitya Wisnu Wardhana
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Combinatorics ,Coprime integers ,Algebraic structure ,Complete graph ,Quaternion group ,Graph theory ,Regular graph ,Identity (music) ,Mathematics - Abstract
Research on an algebraic structure represented in graph theory opens the way for new research in recent years. Several types of new graphs continue to be developed, such as coprime and non-coprime graphs. This article will represent the quaternion group in several graphs, such as coprime graphs, non-coprime graphs, commuting graphs, non-commuting graphs, and identity graphs. We obtained several theorems about unique graphs. One of the results is that non-coprime graphs from the quaternion group are complete and regular graphs.
- Published
- 2021
- Full Text
- View/download PDF
21. WEBINAR PENGENALAN GOOGLE CLASSROOM DAN GOOGLE FORM SEBAGAI MEDIA DAN ALAT EVALUASI PEMBELAJARAN DARING PADA MASA PANDEMI COVID-19
- Author
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Ni Wayan Switrayni, Salwa, Irwansyah, I Gede Adhitya Wisnu Wardhana, and Qurratul Aini
- Subjects
General Engineering ,General Earth and Planetary Sciences ,General Environmental Science - Abstract
Kegiatan pembelajaran di setiap jenjang pendidikan termasuk di sekolah dasar selama masa pandemi Covid-19 ini tidak dapat dilaksanakan melalui tatap muka langsung. Akibatnya, guru dituntut untuk dapat mengelola pembelajaran secara daring. Sebagian besar guru memanfaatkan media yang paling sederhana yakni dengan menggunakan media WhatsApp. Akan tetapi, media ini memiliki keterbatasan dalam hal layanan yang dapat digunakan guru dalam mengelola kelas. Kegiatan Pengabdian Kepada Masyarakat ini bertujuan untuk memberikan pengenalan terhadap para guru sekolah dasar khususnya di Kota Mataram berupa alternatif media pembelajaran daring yaitu Google Classroom dan alat evaluasinya menggunakan Google Form. Kegiatan pengabdian kepada masyarakat ini dilaksanakan melalaui webinar menggunakan flatform aplikasi zoom meeting. Hasil kegiatan ini adalah para guru SD se-Kota Mataram diberikan tutorial menggunakan media pembelajaran digital yang bisa digunakan dalam proses pembelajaran daring selama masa pandemic covid-19, yakni Google Classroom dan Google Form. Diskusi untuk para peserta dengan pemateri juga diadakan dan para guru antusias bertanya selama sesi ini. Berdasarkan pengamatan selama pelaksanaan kegiatan pengabdian kepada masyarakat ini, dapat disimpulkan bahwa webinar telah dilaksanakan dengan cukup baik dan lancar, serta para guru sudah mampu membuat media pembelajaran daring seperti yang sudah diberikan
- Published
- 2021
- Full Text
- View/download PDF
22. SOME RESULT OF NON-COPRIME GRAPH OF INTEGERS MODULO n GROUP FOR n A PRIME POWER
- Author
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I Gede Adhitya Wisnu Wardhana, Abdul Gazir Syarifudin, Masriani Masriani, Irwansyah Irwansyah, Rina Juliana, and Ni Wayan Switrayni
- Subjects
Combinatorics ,Mathematics::Group Theory ,Coprime integers ,Mathematics::Number Theory ,Modulo ,N-group (finite group theory) ,Graph (abstract data type) ,Prime power ,Mathematics - Abstract
One interesting topic in algebra and graph theory is a graph representation of a group, especially the representation of a group using a non-coprime graph. In this paper, we describe the non-coprime graph of integers modulo group and its subgroups, for is a prime power or is a product of two distinct primes.
- Published
- 2020
- Full Text
- View/download PDF
23. COPRIME GRAPH OF INTEGERS MODULO n GROUP AND ITS SUBGROUPS
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I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, Rina Juliana, Ni Wayan Switrayni, and Masriani Masriani
- Subjects
Combinatorics ,Mathematics::Group Theory ,Coprime integers ,Mathematics::Number Theory ,Modulo ,N-group (finite group theory) ,Graph (abstract data type) ,Mathematics - Abstract
Coprime Graph is a geometric representation of a group in the form of undirectedgraph. The coprime graph of a group G, denoted by $\Gamma_G$ is a graph whose vertices are all elements of group G; and two distinct vertices a and b are adjacent if and only if $(|a|,|b|)=1$. In this paper, we study coprime graph of integers modulo n group and its subgroups. One of the results is if n is a prime number, then coprime graph of integers modulo n group is a bipartite graph.
- Published
- 2020
- Full Text
- View/download PDF
24. Some Properties of Coprime Graph of Dihedral Group D_2n When n is a Prime Power
- Author
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Qurratul Aini, Ni Wayan Switrayni, Abdul Gazir S, and I Gede Adhitya Wisnu Wardhana
- Subjects
Combinatorics ,Coprime integers ,Mathematics::Number Theory ,Dihedral group ,Prime power ,Graph ,Mathematics - Abstract
The Study of algebraic structures, especially on graphs theory, leads to anew topics of research in recent years. In this paper, the algebraic structures that will be represented by a coprime graph are the dihedral group and its subgroups. The coprime graph of a group G, denoted by \Gamma_D_2n is a graph whose vertices are elements of G and two distinct vertices a and b are adjacent if only if (|a,|b|)=1. Some properties of the coprime graph of a dihedral group D_2n are obtained. One of the results is if n is prime then \Gamma_D_2n is a complete bipartite graph. Moreover, if n is the power of prime then \Gamma_D_2n is a multipartite graph.
- Published
- 2020
- Full Text
- View/download PDF
25. Calendar variation model for ticket sales forecasting at Kayangan Port, East Lombok
- Author
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Aris Aswadi, Mustika Hadijati, and I. Gede Adhitya Wisnu Wardhana
- Published
- 2022
- Full Text
- View/download PDF
26. Some results of the non-coprime graph of a generalized quaternion group for some n
- Author
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null Nurhabibah, Deny Putra Malik, Hanna Syafitri, and I. Gede Adhitya Wisnu Wardhana
- Published
- 2022
- Full Text
- View/download PDF
27. A construction of generalized quasi-cyclic codes over finite field using gray map
- Author
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Muhammad Irfan Hidayat, null Irwansyah, and I. Gede Adhitya Wisnu Wardhana
- Published
- 2022
- Full Text
- View/download PDF
28. Subgrup Non Trivial Dari Grup Dihedral
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Abdul Gazir and I Gede Adhitya Wisnu Wardhana
- Subjects
General Earth and Planetary Sciences - Abstract
Grup dikatakan grup dihedral dengan order , adalah grup yang dibangun oleh dua elemen dengan sifat . Grup dihedral dinotasikan dengan . Sama halnya dengan grup yang lain, grup dihedral juga memiliki subgrup. Pada paper ini akan dibahas teorema-teorema yang berkaitan dengan subgrup dihedral, adapun salah satunya hasilnya dapat memperlihatkan jika prima maka subgrup-subgrup dibagi kedalam 2 macam yaitu subgrup yang mengandung rotasi dan subgrup yang mengandung refleksi sedangkan jika komposit maka subgrup-subgrupnya dibagi kedalam 3 macam subgrup yaitu subgrup yang mengandung rotasi, refleksi dan gabungannya.
- Published
- 2019
- Full Text
- View/download PDF
29. Ekivalensi Ideal Hampir Prima dan Ideal Prima pada Bilangan Bulat Gauss
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Fariz Maulana, I Gede Adhitya Wisnu Wardhana, and Ni Wayan Switrayni
- Subjects
General Earth and Planetary Sciences - Abstract
Kriptografi adalah salah satu cabang ilmu matematika yang banyak digunakan pada sistem keamanan digital. Kriptografi itu sendiri berkaitan dengan bilangan bulat dan sifat-sifatnya, terutama bilangan prima. Lebih spesifik, beberapa algoritma penting seperti RSA, sangat bergantung pada faktorisasi prima dari bilangan bulat. Abstraksi bilangan prima diperkenalkan oleh Dedekind pada tahun 1871, dikenal dengan nama ideal prima. Ideal prima diperumum oleh Bhatwadekar pada tahun 2009 dan dinamakan ideal hampir prima. Paper ini akan membuktikan bahwa ideal hampir prima dan ideal prima di bilangan bulat Gasuss adalah ekivalen
- Published
- 2019
- Full Text
- View/download PDF
30. Some characteristics of cyclic prime, weakly prime and almost prime submodule of Gaussian integer modulo over integer
- Author
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Irwansyah, Rina Juliana, and I Gede Adhitya Wisnu Wardhana
- Subjects
Discrete mathematics ,Almost prime ,Mathematics::Commutative Algebra ,business.industry ,Gaussian integer ,Mathematics::Number Theory ,Modulo ,Mathematics::Rings and Algebras ,Prime number ,Cryptography ,Prime (order theory) ,symbols.namesake ,Integer ,Prime factor ,symbols ,Mathematics::Representation Theory ,business ,Computer Science::Cryptography and Security ,Mathematics - Abstract
Cryptography is a branch of mathematics used in digital security systems. Some cryptographic algorithms, such as RSA, depending on the prime factorization of integers. However, quantum computers might be a threat to some algorithms in cryptography. One of the mathematicians' efforts in finding alternatives to create new security technologies in cryptography is to study the abstraction of prime numbers. The prime submodule is one of the prime numbers abstraction, which was introduced by Dauns in 1978. Lately, the prime submodules were generalized into weakly prime submodules and almost prime submodules. This study will examine the characteristics of prime, weakly prime, and almost prime of cyclic submodules on ℤ−module ℤn[i]. The results are if n is a prime number, then the cyclic submodule is prime submodule on ℤ−module ℤn[i] and the cyclic almost prime submodule equivalent with cyclic weakly prime submodule on ℤ−module ℤn[i].
- Published
- 2021
- Full Text
- View/download PDF
31. Some results of non-coprime graph of the dihedral group D2n for n a prime power
- Author
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Wahyu Ulyafandhie Misuki, I Gede Adhitya Wisnu Wardhana, Ni Wayan Switrayni, and Irwansyah
- Subjects
Combinatorics ,Finite group ,Coprime integers ,Complete graph ,Identity element ,Dihedral group ,Prime power ,Graph ,Mathematics - Abstract
A graph of a finite group G whose vertices are all elements of G except the identity element, and edges defined as (u, v) ∈ E(G) if and only if (|u|, |v|) ≠ 1 is called a non-coprime graph of G and denoted by ΓG¯. In this paper we give some properties of non-coprime graphs of a dihedral group D2n, when n is a prime power. One main result of this paper shows that ΓG¯ is either a complete graph or can be partitioned into two complete graphs.
- Published
- 2021
- Full Text
- View/download PDF
32. SUBGRUP DARI GRUP TORSI YANG DIBANGUN SECARA HINGGA PADA C*
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Qurratul Aini, I Gede Adhitya Wisnu Wardhana, Abdul Gazir S, and Ni Wayan Switrayni
- Abstract
Grup adalah sebuah pasangan terurut pada sebuah himpunan tak kosong yang memenuhi sifat asosiatif, memiliki invers dan identitas. Grup torsi adalah suatu grup yang setiap elemennya berorde hingga. Grup torsi erat kaitanya dengan grup siklik, bagaimana hubungan keduanya, apakah unsur grup torsi pada C* dan apa pembangun dari C* akan dibahas dalam makalah ini..
- Published
- 2019
- Full Text
- View/download PDF
33. Submodul Prima Lemah dan Submodul Hampir Prima Pada Z‐modul M_2x2 (Z_9)
- Author
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Ni Wayan Switrayni, I Gede Adhitya Wisnu Wardhana, and Qurratul Aini
- Subjects
Combinatorics ,Ring (mathematics) ,Almost prime ,Prime ideal ,General Earth and Planetary Sciences ,Prime (order theory) ,Mathematics ,Abstraction (mathematics) - Abstract
Prime submodule is the abstraction to module theory of prime ideal in ring theory. A proper submodule N of an R-module M is called prime submodule if for all r in R and m in M such that rm in N implies r in (N:M) or m in N. Prime submodule also generalized into weakly prime submodule and almost prime submodule. This study deal with particular cases of both of them in Z-module M_2x2(Z_9), the three submodules are equivalent in case of non-zero submodule.
- Published
- 2018
- Full Text
- View/download PDF
34. Beberapa Graf Khusus Dari Grup Quaternion
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Abdul Gazir S and I Gede Adhitya Wisnu Wardhana
- Published
- 2021
- Full Text
- View/download PDF
35. ON ALMOST PRIME SUBMODULES OF A MODULE OVER A PRINCIPAL IDEAL DOMAIN
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Pudji Astuti, I Gede Adhitya Wisnu Wardhana, and Intan Muchtadi-Alamsyah
- Subjects
Associated prime ,Pure mathematics ,Algebra and Number Theory ,Almost prime ,Unique factorization domain ,Prime element ,Principal ideal domain ,Indecomposable module ,Mathematics - Published
- 2016
- Full Text
- View/download PDF
36. WORKSHOP ISU-ISU STRATEGIS DALAM ALJABAR UNTUK PEMINAT ALJABAR DI KOTA MATARAM
- Author
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Mamika Ujianita Romdhini, I Gede Adhitya Wisnu Wardhana, Irwansyah Irwansyah, and Ni Wayan Switrayni
- Abstract
Matematika merupakan salah satu ilmu yang sangat penting dalam perkembangan peradaban kehidupan manusia. Khususnya aljabar yang merupakan salah satu bidang dalam matematika merupakan tonggak utama dalam perkembangan bidang-bidang ilmu lainnya. Akan tetapi, jumlah hasil-hasil tulisan ilmiah pada bidang ini sangatlah sedikit jumlahnya, khususnya dari kampus-kampus yang ada di Kota Mataram. Hal ini disebabkan karena kurangnya pengetahuan tentang perkembangan penelitian di bidang aljabar dan aplikasinya. Oleh karena itu, kegiatan ini bertujuan untuk meningkatkan motivasi, minat dan pengetahuan khususnya peminat aljabar di Kota Mataram untuk melakukan penelitian dalam bidang aljabar dan aplikasinya. Metode pendekatan yang akan diterapkan adalah melalui workshop yang berisi isu-isu dalam aljabar yang sedang hangat dibicarakan dan beberapa aplikasinya.
- Published
- 2019
- Full Text
- View/download PDF
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