Algorithmic game theory is an area in the intersection of game theory and algorithm design, whose objective is to design algorithms in strategic environments. (Def: http://en.m.wikipedia.org/wiki/Algorithmic_game_theory)

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Question about usage of $\leq$ in definition of Nash equilibrium

Quick definition: Given $g$, a strategy N-tuple $u^* = (u_1^*,...,u^*_N)$ is said to be a Nash equilibrium if: $$J_i(u_i^*, u^*_{-i}) \leq J_i(u_i, u^*_{-i}), i \in N$$ where $J$ is ...
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20 views

What is the quickest way to find Nash equilibria in two player bimatrix game?

Suppose the cost/penalty matrix of a game is given as: $$M = \begin{bmatrix} (-5,-5) & (0,0) \\ (0,0) & (-3,-3) \end{bmatrix}$$ Then the game as two equilibria $(u_{11},u_{21})$ and ...
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21 views

Can someone please help me understand what a “player set” is in extensive form game

my text defines player set as: In N-player game $g$, each non-terminating node is partitioned into $N+1$ sets $g^0, ... g^N$. These are player sets. However it makes no attempt to identify ...
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10 views

Solution for trax game

I'm working on a solution for trax game. but i can not model the problem into a mathematics problem. (whether solving it with a graph or something) I will appreciate any ideas for solving the ...
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55 views

A fashion victim puzzle

Consider $n \in \mathbb{N}$ fashion-sensitive kids, each wearing a T-shirt; for simplicity, kid $i \in \{1, \ldots, n\}$ initially wears shirt $i$. Tastes over the shirts are summarized in an $n ...
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19 views

Stable Marriage algorithms other than Gale-Shapely?

I've looked around lot and I haven't been able to find any algorithms for to the traditional stable marriage problem (I'm not talking about any of its variants like the roommate problem) besides the ...
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18 views

super-additive, sub-additive, and shapely value limitations?

I am working on the coalition formation. Most of the scientist used concept of shapely value for distributing the utility among the members of coalition. Up to my understanding, shapely value is good ...
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3answers
66 views

Stone, Paper, Scissors Game Winning Probability between two players in 1 match [closed]

I am required to find winning probability and algorithm of winning a game between two players in the above mentioned game. The catch is to find the winning stone, paper, scissor pattern so that ...
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1answer
65 views

Expected Utility Method and a Repeated Game Solution

I am trying to replicate Bruce B. de Mesquita's (BDM) results on political game theory for prediction. Based on where actors stand on issues, their capabilities, salience, BDM's method attempts to ...
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1answer
21 views

Average score for a Quiz based on recent performance

A quiz always has 10 questions. Correct answer results in 1 mark. No negative marking. A user can take the quiz as many times as he likes. I want to show his 'Average Score' based on last 5 quiz ...
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1answer
54 views

Can a transitive relation be represented by a utility function?

I am currently studying for my Game Theory exam and came across a question that seems pretty basic but somehow can't wrap my head around. So if you could share some insight with me, that would be ...
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1answer
28 views

Relevance scoring mechanism for multiple parameters

I have a program which build few attributes those decide relevance between two objects. attributes are $a_1, a_2, a_3$ Now what are different weighing or scoring mechanism to accumulate all three ...
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2answers
85 views

Strategy for selecting the optimal time to check a cooldown timer

This is a hard problem for me to word in the title, so I'll try to do better now. Consider the following "game": You are sitting in a room beside a table. In the middle of the table there exists a ...
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2answers
95 views

How many ways to win this ternary row-game?

Sorry for the vague title. Please edit or comment if you know of a better one. Game description is below. I have a solution that works but coding it would be O($N!$) time complexity. I know there's a ...
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2answers
76 views

Sierpinski triangle game for 3 players

The players are red, green and blue. The game is played on a n-deep Sierpinski triangle. Each player colors a (black) triangle, starting at one of the main vertices. They then take turns to color an ...
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111 views

How to find rotation quaternion for a model so that it is perpendicular to a line in 3D space?

How to find the target rotation quaternion for a model when one of its faces need to be aligned perpendicular to a line in 3D space. For example, if the model is a cube and if two 3D points connecting ...
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22 views

Piecewise continuous potential function?

This question arises from a game theoretic problem. I'm posing it in 2-D to simplify the exposition. Given two functions $f(x,y)$ and $g(x,y)$, the problem is to find a potential function $P(x,y)$ ...
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1answer
110 views

Fan speed algorithm

I'm a programmer an I think my problem related to mathematics! I want when CPU have a static percentage of load (for example $10\%$) fan also have static rpm (Rotations per minute). But for now I have ...
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39 views

Reducing an I-optimal problem to a Pareto-optimal problem

Given a set $\textbf y\subset\mathbb R^2$, let $y = (y_1,y_2), y'=(y'_1,y'_2)\in\textbf y$ be elements of that set, let $\alpha_{min}\in\mathbb R$, $\alpha_{min}<1$, $\alpha_{max}\in\mathbb R$, ...
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1answer
34 views

Biobjective optimisation, pareto non-domination

Ok, so, I have a function $f_I(y_1, y_2) = \max\{\alpha y_1 + (1-\alpha)y_2:\alpha\in[\alpha_{min},\alpha_{max}]\}$ that I'm trying to minimise, and I'm asked to find, amongst a set of vectors $y$, ...
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2answers
115 views

Math theories in Game Theory

What are all the mathematical theories in Game Theory? I have taken Mathematical Modelling, including: application of linear systems, matrix operations, inverse of matrix, leontif input-output model, ...
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117 views

Nim Sum Game Variant

Suppose there are black and white balls in a box. The initial number of white balls is m and the initial number of black balls is n. This is a two player game. Each player can do the following taking ...
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2answers
59 views

Another question on a 2-player game strategy

This is a 2-player game. The game begins with a binary string (leading zeros not ignored). Each turn, a player can remove a sequence of consecutive and identical digits from the left. For example, ...
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92 views

Resources for understanding game trees?

I am trying to make an AI to solve the popular game $2048$, and I think that the theory of game trees would help me quite a bit in this endeavor. The only issue is that most of the results I've found ...
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171 views

Optimal Strategy for “I'm Thinking of a Number” Game

This question is inspired by one of the classic ways of breaking ties: the "I'm thinking of a number" game. In this game, one person thinks of a number in some range, say from $0$ to $100$ ...
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5answers
210 views

Some examples of applications of Game Theory

I'm approaching my junior year of HS now, and I'm looking for a good science fair project to do. I love mathematics, so I decided to a category of mathematics that can help base logical conclusions to ...
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182 views

Game theory: Mixed Strategies and Nash Equilibrium

So I've recently become interested in game theory, and I've visited this site to help me understand what exactly game theory is and the applications of it. In the lesson, they use an example of ...
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1answer
78 views

A game with numbers from MEMO $2013$

The expression $$\displaystyle \pm \Box \pm \Box \pm \Box \pm \Box \pm \Box \pm \Box $$ is written on the blackboard. Tow players, $ A $ and $ B $, play a game, taking turns. Player $ A $ takes the ...
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4answers
213 views

How do you create a nonlinear game that the player can always win?

I thought a lot about this question — and initially, I intended to ask this on gamedev.stackexchange.com — but due to its rather theoretical aspects, I think it might be more appropriate to address a ...
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2answers
165 views

Hex game winning strategy

I was teaching myself how to play a hex board game by reading some books a couple days ago. I learned how to do $2$ x $2$ and $3$ x $3$ hex games by starting at the principal diagonal. I wanted to ...
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1answer
126 views

The potential function of Prisoner's Dilemma

As in the famous example of "Prisoner's Dilemma" like this If the potential function is defined as: (V(q,q), V(q,c), V(c,q), V(c,c)) q = quiet, c = confess, V is the potential. So should the order ...
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349 views

Optimal strategy for dominoes game

Here is the basic principle of the game I'm trying to find an optimal strategy for: Two players (say P and Q) are given a 2x3 grid and a domino. Then P chooses one way of positioning the domino on ...
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127 views

A game problem- double or increment by 1

Its a two player game. Initially $P=1$, and there is some fixed integer $Q>1$. A valid move consists of either increasing $P$ by $1$ or doubling it iff on doing so $P$ does NOT exceed $Q$.The ...
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248 views

Game Theory - trying to find game name by description

My hobby AI research have led me to a thorethical game of particular design. As design is pretty simple, I'm almost sure that such game has well-known name and tons of research already done around it. ...
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1answer
156 views

Game Theory - Nash equilibrium question

Consider a game in which 2 players transmit packets in a network with a selected power $x ∈ [1, A]$ and $y∈ [1, A]$, respectively. The utility of the players can be expressed as: $$u_{i} (x,y) = ...
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4answers
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perfect play in 1-dimensional Minesweeper

In 1-dimensional Minesweeper with a known number of mines (that are distributed uniformly), is there a known somewhat-simple strategy for perfect play? When there are n cells and [0 or n-1 ...
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1answer
327 views

A game of Chess - Ideal Solution

I am a student of physics. I have learnt some basic group theory, and I am wondering if there is any ideal solution for a given Chess game (like solving Rubik's cube). I know the no. of permutations ...
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1answer
257 views

Largest white rectangle on board

Given a string rectangular board which is divided into unit cells. Each cell is initially painted black or white. The character board[i][j] represents the cell with coordinates (i, j). Each of those ...
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1answer
76 views

What's the most efficient algorithm to determine the relative ordering of an unknown set of values?

This comes from a question on Arqade. The background is, there's a mall level. Vlad the organized crime boss wants $50,000 worth of mall property destroyed. Your task is to shoot and blow ...
4
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1answer
98 views

How to design a cost sharing auction format for collective bidding?

Problem goes like this: There's one resource which can only be utilized by a single set of agents $A_i$ (at any one time) out of $n$ predefined (disjoint) sets of agents. Each agent wants to use the ...
2
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1answer
119 views

the proof of Arrow's Theorem

I read Philip J. Reny's paper (Arrow’s Theorem and the Gibbard-Satterthwaite Theorem: A Unified Approach) What I cannot understand is step 5 of the proof of arrow's theorem. I think figure 4 is a ...
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302 views

A Nim-like game with conditions and strategies

The game: Given $S = \{ a_1,..., a_n \}$ of positive integers ($n \ge 2$). The game is played by two people. At each of their turns, the player chooses two different non-zero numbers and subtracts ...
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2answers
61 views

extensive and strategic game

definitions of extensive and strategic (normal) games are very different. Here is the question, what would you call a game which is extensive but in each step strategic. For instance at each step ...
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1answer
61 views

Segment crossing algorithm

I need an ideea of an algorithm to solve a puzzle 'game'. The game is : is given N number of line segments by coordinates [(X1n,Y1n),(X2n,Y2n)] some of segments have the same ends We've got ...
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1answer
139 views

Flip all to zero

I have a square grid of size $N$, with rows numbered from $0$ to $N - 1$ starting from the top and columns numbered from $0$ to $N - 1$ starting from the left. A cell $(u, v)$ refers to the cell that ...
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157 views

Prize distribution system based on quantity/priority per day

I'm trying to figure out a way to "fairly" distribute a pool of prizes on a daily basis depending on the time the contest will run, the priority and max items per day/week. For a better explanation, ...
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28 views

Are there any good resources to learn mathematical analysis of single player games and puzzles?

What are the best resources to understand the mathematical analysis of single player games like Solitaire, Free Cell, Sudoku, Rubik's Cube, etc.? Most game theory books I browsed in the local book ...
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973 views

questions on information set definition

The definition of "information set" is An information set is a set of decision nodes, all belonging to the same player, over which that player cannot distinguish. ...
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2answers
151 views

How do I grade the complexity of the below math puzzle game?

The game (I built it, and it is currently live on mobile) involves solving a pascal's triangle like grid of numbers with operators between the numbers - an example with 3 rows is: ...
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141 views

Partisan/Partial Game Theory

There are enough resources available on the internet regarding "impartial" game theory. But I cannot seem to find much information regarding "partial" game theory. Can someone name some such resources ...