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We study how we can accelerate the spreading of information in temporal graphs via shifting operations; a problem that captures real-world applications varying from information flows to distribution schedules. In a temporal graph there is a…

数据结构与算法 · 计算机科学 2025-10-09 Argyrios Deligkas , Eduard Eiben , George Skretas

The game of Antonim is a variant of the game Nim, with the additional rule that heaps are not allowed to be the same size. A winning strategy for three heap Antonim has been solved. We will discuss the solution to three-heap Antonim and…

组合数学 · 数学 2015-06-04 Zachary Silbernick , Robert Campbell

Partially-ordered set games, also called poset games, are a class of two-player combinatorial games. The playing field consists of a set of elements, some of which are greater than other elements. Two players take turns removing an element…

计算机科学与博弈论 · 计算机科学 2011-11-22 Adam O. Kalinich

The Three Gap Theorem states that for any $\alpha \in (0,1)$ and any integer $N \geq 1$, the fractional parts of the sequence $0, \alpha, 2\alpha, \cdots, (N-1)\alpha$ partition the unit interval into $N$ subintervals having at most…

动力系统 · 数学 2018-09-05 Diaaeldin Taha

Nim is a well-known combinatorial game in which two players alternately remove stones from distinct piles. A player who removes the last stone wins under the normal play rule, while a player loses under the mis\`ere play rule. In this…

组合数学 · 数学 2026-03-10 Hiromi Oginuma , Masato Shinoda

We study heterogeneous distribution of gains in neural fields using techniques of quantum mechanics by exploiting a relationship of our model and the time-independent Schr\"{o}dinger equation. We show that specific relationships between the…

神经元与认知 · 定量生物学 2017-02-03 Alejandro Jimenez Rodriguez , Juan Carlos Cordero Ceballos , Nestor E. Sanchez

Given an integer partition of $n$, we consider the impartial combinatorial game LCTR in which moves consist of removing either the left column or top row of its Young diagram. We show that for both normal and mis\`ere play, the optimal…

组合数学 · 数学 2023-11-20 Eric Gottlieb , Matjaž Krnc , Peter Muršič

We introduce the following variant of the Gale-Berlekamp switching game. Let $P$ be a set of n noncollinear points in the plane, each of them having weight $+1$ or $-1$. At each step, we pick a line $\ell$ passing through at least two…

计算几何 · 计算机科学 2025-08-19 Adrian Dumitrescu , Jeck Lim , János Pach , Ji Zeng

We revisit the problem of computing an optimal partial cover of points by intervals. We show that the greedy algorithm computes a permutation $\Pi = \pi_1, \pi_2,\ldots$ of the intervals that is $3/4$-competitive for any prefix of $k$…

数据结构与算法 · 计算机科学 2021-10-28 Sariel Har-Peled , Jiaqi Cheng

The picking of one or more objects from an unsorted pile continues to be non-trivial for robotic systems. This is especially so when the pile consists of a granular material (GM) containing individual items that tangle with one another,…

机器人学 · 计算机科学 2022-08-10 Prabhakar Ray , Matthew Howard

We consider distributed computation of generalized Nash equilibrium (GNE) over networks, in games with shared coupling constraints. Existing methods require that each player has full access to opponents' decisions. In this paper, we assume…

最优化与控制 · 数学 2024-10-30 Lacra Pavel

In the Korean traditional board game Yut-Nori, teams compete by moving their pieces on the two-dimensional game board, and the team whose all pieces complete a round trip on the board wins. In every round, teams throw four wooden sticks of…

物理与社会 · 物理学 2015-06-15 Hye Jin Park , Hasung Sim , Hang-Hyun Jo , Beom Jun Kim

In this paper, we analyze the mis\`ere versions of two impartial combinatorial games: k-Bounded Greedy Nim and Greedy Nim. We present a complete solution to both games by showing necessary and sufficient conditions for a position to be…

计算机科学与博弈论 · 计算机科学 2025-06-06 Nanako Omiya , Ryo Yoshinaka , Ayumi Shinohara

We consider shifts $\Pi_{n,m}$ of a partially exchangeable random partition $\Pi_\infty$ of $\mathbb{N}$ obtained by restricting $\Pi_\infty$ to $\{n+1,n+2,\dots, n+m\}$ and then subtracting $n$ from each element to get a partition of…

概率论 · 数学 2017-07-04 Jim Pitman , Yuri Yakubovich

An alternate Lagrangian scheme at discrete times is proposed for the approximation of a nonlinear continuity equation arising as a mean-field limit of spatially inhomogeneous evolutionary games, describing the evolution of a system of…

偏微分方程分析 · 数学 2020-05-25 Stefano Almi , Marco Morandotti , Francesco Solombrino

Quantum walks behave differently from what we expect and their probability distributions have unique structures. They have localization, singularities, a gap, and so on. Those features have been discovered from the view point of mathematics…

量子物理 · 物理学 2016-04-05 Takuya Machida

We analyze the quantum penny flip game using geometric algebra and so determine all possible unitary transformations which enable the player Q to implement a winning strategy. Geometric algebra provides a clear visual picture of the quantum…

量子物理 · 物理学 2015-05-13 James M. Chappell , Azhar Iqbal , M. A. Lohe , Lorenz von Smekal

The authors present formulas for the previous player's winning positions of two variants of restricted Nim. In both of these two games, there is one pile of stones, and in the first variant, we investigate the case that in k-th turn, you…

组合数学 · 数学 2023-12-01 Keita Mizugaki , Shoei Takahashi , Hikaru Manabe , Aoi Murakami , Ryohei Miyadera

This paper considers a class of noncooperative games in which the feasible decision sets of all players are coupled together by a coupled inequality constraint. Adopting the variational inequality formulation of the game, we first introduce…

计算机科学与博弈论 · 计算机科学 2024-02-13 Huaqing Li , Liang Ran , Lifeng Zheng , Zhe Li , Jinhui Hu , Jun Li , Tingwen Huang

We determine the Sprague-Grundy value for the Common Divisor Nim$_m$ (CDN$_m$ for short) for $m \in \mathbb{Z}_{\ge 1}$, which is called COMMON DIVISOR game in [ANW, Chapter 2, Exercise 8 (p.55)].

组合数学 · 数学 2023-12-12 Ryotaro Nohagi