On a Ramsey-type problem of Erdős and Pach

Autor: Eoin Long, Guus Regts, Viresh Patel, Ross J. Kang
Rok vydání: 2017
Předmět:
Zdroj: Bulletin of the London Mathematical Society. 49:991-999
ISSN: 0024-6093
DOI: 10.1112/blms.12094
Popis: We affirmatively answer a question of Erdős and Pach from 1983 by showing the following: there is some constant C>0 such that for any graph G on Ck ln k vertices either G or its complement has an induced subgraph on k vertices with minimum degree at least 0.5(k-1).
Databáze: OpenAIRE