Feb 4, 2020 · In the early sixties Andrásfai conjectured that for n/3<s<n/2 the function {\mathrm{ex}}(n, s) is piecewise quadratic with critical values at s/ ...
May 24, 2021 · Since , Theorem 5.1 tells us that is a proper blow-up of some graph , which is either an Andrásfai graph , or a Vega graph . In the latter case ...
Home · Mathematical Sciences · Graphs. ArticlePDF Available. Andrásfai and Vega graphs in Ramsey–Turán theory. May 2021; Journal of Graph Theory 98(2). DOI: ...
Feb 4, 2020 · Finally, as in the case of Andrásfai graphs, we characterize all extremal Vega graphs. ... VEGA GRAPHS IN RAMSEY-TURÁN THEORY 25. [6]. S. Brandt, ...
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Feb 26, 2021 · ANDRÁSFAI AND VEGA GRAPHS IN RAMSEY-TURÁN THEORY. 3. Let us remark that we also have a conjecture on the extremal graphs for which equality.
Andrásfai and Vega graphs in Ramsey–Turán theory // Journal of Graph Theory. 2021. Vol. 98. No. 1. pp. 57-80. GOST all authors (up to 50) Copy. Luczak T ...
Comb. 1983. The paper deals with common generalizations of classical results of Ramsey and Turán. The following is one of the main results. Assumek≧2 ...
Given positive integers n\ge s, we let {\mathrm{ex}}(n,s) denote the maximum number of edges in a triangle-free graph G on n vertices with \alpha(G)\le s.
Andrásfai and Vega graphs in Ramsey–Turán theory. Authors: Tomasz Łuczak,; Joanna Polcyn,; Christian Reiher. Record ID: UAM9d1448ae17774f4a936e5e8cde5390ed ...
Nov 24, 2021 · In this article we make the next step towards understanding the structure of dense triangle-free graphs without large independent sets.