Uniqueness of DP-Nash Subgraphs and D-sets in Weighted Graphs of Netflix Games

Gregory Gutin*, Philip R. Neary, Anders Yeo

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Gerke et al. (2019) introduced Netflix Games and proved that every such game has a pure strategy Nash equilibrium. In this paper, we explore the uniqueness of pure strategy Nash equilibria in Netflix Games. Let be a graph and a function, and call the pair a weighted graph. A spanning subgraph H of is called a DP-Nash subgraph if H is bipartite with partite sets D, P called the D-set and P-set of H, respectively, such that no vertex of P is isolated and for every We prove that whether has a unique DP-Nash subgraph can be decided in polynomial time. We also show that when for every, the problem of deciding whether has a unique D-set is polynomial time solvable for and 1, and co-NP-complete for.

Original languageEnglish
Title of host publicationComputing and Combinatorics : Proceedings of the 26th International Conference, COCOON 2020,
EditorsDonghyun Kim, R.N. Uma, Zhipeng Cai, Dong Hoon Lee
PublisherSpringer Science+Business Media
Publication date2020
Pages360-371
ISBN (Print)9783030581497
ISBN (Electronic)978-3-030-58150-3
DOIs
Publication statusPublished - 2020
Event26th International Conference on Computing and Combinatorics, COCOON 2020 - Atlanta, United States
Duration: 29. Aug 202031. Aug 2020

Conference

Conference26th International Conference on Computing and Combinatorics, COCOON 2020
Country/TerritoryUnited States
CityAtlanta
Period29/08/202031/08/2020
SeriesLecture Notes in Computer Science
Volume12273
ISSN0302-9743

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