3 papers
math.CO2026
Sharp bounds for off-diagonal and tripartite canonical Ramsey numbers
Strahinja Gvozdić, Zach Hunter, Aleksa Milojević +1
The canonical Ramsey theorem establishes that for every positive integer , there is a sufficiently large such that every edge-colouring of a complete graph contains a…
math.CO2026
Counting thresholds for perfect matchings in hypergraphs
Strahinja Gvozdić
In a -uniform hypergraph, the minimum -degree for some is the minimum number of edges containing any given -set of vertices. An extension of the classical…
math.CO2025
Seeing is not believing in limited visibility cops and robbers
Bojan Bašić, Alfie Davies, Aleksa Džuklevski +2
We consider the model of limited visibility Cops and Robbers, where the cops can only see within their -neighbourhood. We prove that the number of cops needed to see the robber…