activity
20232026
most citedNote on the second eigenvalue of regular graphs

1 citations · 1 across the 18 of their papers we have counts for

collaborators
Showing math.COShow all

18 papers · 1 filter

math.CO2026

Nearly tight bounds for induced subdivisions

Zach Hunter, Aleksa Milojević, Patryk Morawski +1

Subdivisions of complete graphs play a central role in combinatorics, having deep connections to structural, extremal, and topological aspects of graph theory. A celebrated conject…

math.CO2026

The Mihail-Vazirani conjecture and strong edge-expansion in random polytopes

Micha Christoph, Sahar Diskin, Lyuben Lichev +1

We study the edge-expansion of the graph of a random polytope , defined as the convex hull of a random subset of the points in where every point is retaine…

math.CO2026

Coloring small locally sparse degenerate graphs and related problems

Domagoj Bradač, Jacob Fox, Raphael Steiner +2

The classic upper bound on the chromatic number of -degenerate graphs is , shown to be tight by complete graphs. A natural question is whether this bound remains tight if o…

math.CO2026

Color-avoiding directed paths in tournaments

Jacob Fox, Benny Sudakov, Yuval Wigderson

We study the following Ramsey-theoretic question: given a -coloring of the edges of a tournament, how long of a directed path can we guarantee whose edges avoid one of the color…

math.CO2026

Set mappings for general graphs

Lior Gishboliner, Zhihan Jin, Benny Sudakov

The study of extremal problems for set mappings has a long history. It was introduced in 1958 by Erdős and Hajnal, who considered the case of cliques in graphs and hypergraphs. Rec…

math.CO2025

Ramsey numbers of digraphs with local edge structure

Domagoj Bradač, Patryk Morawski, Benny Sudakov +1

One of the classical topics in graph Ramsey theory is the study of which -vertex graphs have Ramsey numbers that are linear in . In this paper, we consider this problem in th…