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Bob cuts a pizza into slices of not necessarily equal size and shares it with Alice by alternately taking turns. One slice is taken in each turn. The first turn is Alice's. She may choose any of the slices. In all other turns only those…

离散数学 · 计算机科学 2011-04-29 Josef Cibulka , Jan Kynčl , Viola Mészáros , Rudolf Stolař , Pavel Valtr

This paper deals with a problem in which two players share a previously sliced pizza and try to eat as much amount of pizza as they can. It takes time to eat each piece of pizza and both players eat pizza at the same rate. One is allowed to…

历史与综述 · 数学 2012-12-12 Keyue Gao

Consider n straight line cuts of a circular pizza made so as to maximize the number of pieces. We investigate how fair such a maximal division may be and how many slices are obtained if the cuts are successfully made with a certain…

概率论 · 数学 2007-05-23 Floyd E. Brown , Anant P. Godbole

We propose a class of two person perfect information games based on weighted graphs. One of these games can be described in terms of a round pizza which is cut radially into pieces of varying size. The two players alternately take pieces…

组合数学 · 数学 2015-11-12 Daniel E. Brown , Lawrence G. Brown

Assume you have a pizza consisting of four ingredients (e.g., bread, tomatoes, cheese and olives) that you want to share with your friend. You want to do this fairly, meaning that you and your friend should get the same amount of each…

计算几何 · 计算机科学 2019-04-05 Luis Barba , Alexander Pilz , Patrick Schnider

Let n be an odd integer greater than 1. We slice a circular pizza into 2n slices, making cuts from a non-central interior point of the circle. We estimate the difference between between the total area of the even numbered slices and the…

经典分析与常微分方程 · 数学 2022-10-06 David Gluck

A pizza is a pair of planar convex bodies $A\subseteq B$,where $B$ represents the dough and $A$ the topping of the pizza. A partition of a pizza by straight lines is a succession of double operations:a cut by a full straight line, followed…

度量几何 · 数学 2015-09-15 Augustin Fruchard , Alexander Magazinov

Assume you have a 2-dimensional pizza with $2n$ ingredients that you want to share with your friend. For this you are allowed to cut the pizza using several straight cuts, and then give every second piece to your friend. You want to do this…

计算几何 · 计算机科学 2021-09-15 Patrick Schnider

A fundamental result in cake cutting states that for any number of players with arbitrary preferences over a cake, there exists a division of the cake such that every player receives a single contiguous piece and no player is left envious.…

理论经济学 · 经济学 2023-03-20 Erel Segal-Halevi , Warut Suksompong

An unceasing problem of our prevailing society is the fair division of goods. The problem of proportional cake cutting focuses on dividing a heterogeneous and divisible resource, the cake, among $n$ players who value pieces according to…

离散数学 · 计算机科学 2018-05-02 Ágnes Cseh , Tamás Fleiner

If you are sharing a meal with a companion, how best to make sure you get your favourite mouthfuls? Ethiopian Dinner is a game in which two players take turns eating morsels from a common plate. Each morsel comes with a pair of utility…

计算机科学与博弈论 · 计算机科学 2014-12-30 Lionel Levine , Katherine E. Stange

We introduce a generalized cake-cutting problem in which we seek to divide multiple cakes so that two players may get their most-preferred piece selections: a choice of one piece from each cake, allowing for the possibility of linked…

组合数学 · 数学 2009-09-03 John Cloutier , Kathryn L. Nyman , Francis Edward Su

We consider the setting of repeated fair division between two players, denoted Alice and Bob, with private valuations over a cake. In each round, a new cake arrives, which is identical to the ones in previous rounds. Alice cuts the cake at…

计算机科学与博弈论 · 计算机科学 2024-02-20 Simina Brânzei , MohammadTaghi Hajiaghayi , Reed Phillips , Suho Shin , Kun Wang

We study the following combinatorial game played by two players, Alice and Bob, which generalizes the Pizza game considered by Brown, Winkler and others. Given a connected graph G with nonnegative weights assigned to its vertices, the…

离散数学 · 计算机科学 2013-08-07 Josef Cibulka , Jan Kynčl , Viola Mészáros , Rudolf Stolař , Pavel Valtr

We consider the following cake cutting game: Alice chooses a set P of n points in the square (cake) [0,1]^2, where (0,0) is in P; Bob cuts out n axis-parallel rectangles with disjoint interiors, each of them having a point of P as the lower…

计算几何 · 计算机科学 2011-04-04 Tobias Christ , Andrea Francke , Heidi Gebauer , Jiří Matoušek , Takeaki Uno

We prove several results addressing the envy-free division problem in the presence of an unpredictable (secretive) player, called the "dragon". There are two basic scenarios. 1. There are $r-1$ players and a dragon. Once the "cake" is…

组合数学 · 数学 2022-02-01 Gaiane Panina , Rade Živaljević

We study the computational complexity of finding a solution for the straight-cut and square-cut pizza sharing problems. We show that computing an $\varepsilon$-approximate solution is PPA-complete for both problems, while finding an exact…

计算复杂性 · 计算机科学 2026-03-13 Argyrios Deligkas , John Fearnley , Themistoklis Melissourgos

In this paper, we consider impartial and partizan restricted chocolate bar games. In impartial restricted chocolate bar games, players cut a chocolate bar into two pieces along any horizontal or vertical line and eat whichever piece is…

组合数学 · 数学 2025-05-08 Ryohei Miyadera , Shoei Takahashi , Aoi Murakami , Akito Tsujii , Hikaru Manabe

We consider a game with two piles, in which two players take turn to add $a$ or $b$ chips ($a$, $b$ are not necessarily positive) randomly and independently to their respective piles. The player who collects $n$ chips first wins the game.…

组合数学 · 数学 2019-03-11 Ho-Hon Leung , Thotsaporn "Aek'' Thanatipanonda

At some places (see the references) Martin Erickson describes a certain game: "Two players alternately write O's (first player) and X's (second player) in the unoccupied cells of an n x n grid. The first player (if any) to occupy four cells…

离散数学 · 计算机科学 2012-05-22 Thomas Jenrich
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