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We study the structure of the rest points of signaling games and their dynamic behavior under selection-mutation dynamics by taking the case of three signals as our canonical example. Many rest points of the replicator dynamics of signaling games are not isolated and, therefore, not robust under perturbations. However, some of them attract open sets of initial conditions. We prove the existence of certain rest points of the selection-mutation dynamics close to Nash equilibria of the signaling game and show that all but the perturbed rest points close to strict Nash equilibria are dynamically unstable. This is an important result for the evolution of signaling behavior, since it shows that the second-order forces that are governed by mutation can increase the chances of successful signaling. [ABSTRACT FROM AUTHOR]

The article focuses on the games that improve mathematical thinking such as Pathagon join-the-sides spatial-position game and Quarto! board game. Topics discussed include the equipment, numbers of players, and techniques of the games. Also mentioned are the playing rules, scoring, and variants for the said games.

The article discusses the International Joint Conference on Artificial Intelligence (IJCAI) Computer Games Workshop, held in Buenos Aires, Argentina on July 26, 2015. It highlights the adaptation of the different techniques of computer games with information from the computer programs. It features the attendees of the event including Marc Chee, Simon Keizer and Oliver Lemon.

Copyright of Journal of Gambling Issues is the property of Centre for Addiction & Mental Health and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The article offers information on the gaming board, also known as Hnefatafl, excavated at Toftanes in Faroe Islands. According to historical records, Hnefatafl is found in other settlements of Vikings at North Atlantic. Moreover, the shape, dimensions, marks of owners and ways of playing the game are also mentioned.

ABSTRACT Recent developments in agent-based modeling as a method of systems analysis and optimization indicate that students in business analytics need an introduction to the terminology, concepts, and framework of agent-based modeling. This article presents an active learning exercise for MBA students in business analytics that demonstrates agent-based modeling by solving a knapsack optimization problem. For the activity, students act as naïve agents by using dice to randomly selecting items for a finite capacity knapsack to maximize the value of the knapsack. Students then design a greedy heuristic to skew the probability of selection item. These pencil-and-paper models are then implemented in a spreadsheet model to demonstrate the effects of altering the agents' behavior. Finally, a binary integer programming model is examined to contrast agent-based modeling with traditional mathematical programming formulations. This exercise is innovative because it combines student engagement via active learning with an innovative, individual-based, modeling methodology. [ABSTRACT FROM AUTHOR]

Copyright of Cultura, Ciencia y Deporte is the property of Cultura, Ciencia y Deporte and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

No one has ever been able to create a running shoe that can make one run faster, but In other sports the design of equipment has the potential to offer considerable enhancement. Judgement has to be made as to whether such advantage becomes unfair. This article indicates many possible sports in which the equipment plays an important part in the achievement of success, and it provides greater detail in three very different cases: throwing the javelin, the choice of swimsuit, and the use of running prosthetics for the disabled. [ABSTRACT FROM AUTHOR]

Purpose – This paper aims to provide libraries with collections advice regarding fantasy role-playing games. Design/methodology/approach – Current and emerging publication and sales models of pencil and paper, tabletop fantasy role-playing games are explored. Details of print, print-on-demand, free and purchasable downloads, and subscription-based options for major fantasy role-playing games and alternatives are provided. Findings – Many options are available to libraries wishing to provide support for fantasy role-playing game programming. While an overwhelming quantity of publications are often available for purchase, usually only a bare minimum is required to run a role-playing game. Free or modestly priced options are available for libraries on a shoestring budget. Libraries interested in supporting fantasy role-playing game programming with collections need not spend much. Spending less on collections requires a greater amount of imagination, socializing, creativity, collaboration and literacy on the part of program participants. Originality/value – Many libraries are interested in supporting fantasy role-playing games with collections, but do not know where to start. While much is being written about gaming in libraries, little has been written to help libraries navigate current role-playing game book publication and sales models. [ABSTRACT FROM AUTHOR]

As noted by Persi Diaconis, the apparently simple problem of calculating the face probabilities of a shaved die defies exact mathematical analysis. However, this problem can be used to provide amusing and instructive examples of sufficiency, efficiency, information, ancillarity, and the value of statistical design. [ABSTRACT FROM AUTHOR]

Abstract: A nonlinear viscoelastic image registration algorithm based on the demons paradigm and incorporating inverse consistent constraint (ICC) is implemented. An inverse consistent and symmetric cost function using mutual information (MI) as a similarity measure is employed. The cost function also includes regularization of transformation and inverse consistent error (ICE). The uncertainties in balancing various terms in the cost function are avoided by alternatively minimizing the similarity measure, the regularization of the transformation, and the ICE terms. The diffeomorphism of registration for preventing folding and/or tearing in the deformation is achieved by the composition scheme. The quality of image registration is first demonstrated by constructing brain atlas from 20 adult brains (age range 30–60). It is shown that with this registration technique: (1) the Jacobian determinant is positive for all voxels and (2) the average ICE is around 0.004 voxels with a maximum value below 0.1 voxels. Further, the deformation-based segmentation on Internet Brain Segmentation Repository, a publicly available dataset, has yielded high Dice similarity index (DSI) of 94.7% for the cerebellum and 74.7% for the hippocampus, attesting to the quality of our registration method. [Copyright &y& Elsevier]

Like every product put up for sale, technologic developments and industrialization have led to changes in children's games and toys. In addition to many different types of toys that they presented to the children's world, they have also caused a variety of toys to enter into the process of disappearance. Nowadays, there are also some toys that resist in order not to disappear, unspoiled in the pipeline and that are presented by Nature itself. In this study, its examples in Traditional Turkish Children's games have been tried to be shown. [ABSTRACT FROM AUTHOR]

Abstract: Objectives: We aimed to investigate the effects of providing play equipment and markings at the pre-school playground on physical activity engagement levels. Methods: We performed a cluster randomised control trial. In November and December 2007, a convenience sample of 40 public pre-schools in Flanders, Belgium, was randomly assigned to one of the following conditions: 1) in 10 pre-schools play equipment was provided, 2) in 10 pre-schools markings were painted on the playground, 3) in 10 schools play equipment was provided and markings were painted, 4) 10 schools served as a control condition. Accelerometer-based physical activity levels during recess were evaluated at baseline and 4 to 6 weeks after the implementation of the intervention in 583 children (52% boys; mean age 5.3 years, SD 0.4). Results: At baseline pre-schoolers spent only 11.2% (average: 4.7 min) of recess time in moderate to vigorous activity, while 61.3% (average: 25.7 min) was spent in sedentary activity. The interventions were not effective in increasing the average activity levels or the percentages of engagement in moderate or vigorous activity, or in decreasing sedentary time. Conclusion: Providing playground markings or play equipment is not sufficient to increase activity levels and decrease levels of sedentary activity during pre-school recess. More activating supervision and the inclusion of more structured physical activity seem needed. [Copyright &y& Elsevier]

The article discusses the mechanics of the River Crossing game as well as explains the use of Fathom software in creating a model for the game. Under the rules of the game, two players are given 12 chips to be arranged on its side of the river and whoever will be the first to remove all chips on his side wins the game. In addition, several charts and diagrams are presented which explicates and clarifies further details of the game. Furthermore, it relates the Fathom software can help investigate the winning chances of either players and allows to play many games using identical starting arrangements once installed.

The article presents a case study of the first location-based mobile game (LBMG) in Brazil. The game utilizes Java-enabled cell phones equipped with location awareness to transfer the city into a battlefield. The concept of the game is to use mobile communication system as a collective communication device. Details concerning how LBMG change the concept of mobile game is presented.