M. Kuhn

activity

20112025

most citedStability properties of multiplicative representations of free groups

2 citations · 2 across the 8 of their papers we have counts for

collaborators

Showing math.COShow all

2 papers · 1 filter

math.CO2025

Disproof of the Odd Hadwiger Conjecture

Marcus Kühn, Lisa Sauermann, Raphael Steiner +1

We prove that there exist graphs which do not contain $K_{t}$ as an odd minor and whose chromatic number is at least $(\frac{3}{2} - o (1)) t$ . This disproves, in a strong form, the odd Had…

math.CO2022

On the $(6, 4)$ -problem of Brown, Erdős and Sós

Stefan Glock, Felix Joos, Jaehoon Kim +3

Let $f^{(r)} (n; s, k)$ be the maximum number of edges of an $r$ -uniform hypergraph on $n$ vertices not containing a subgraph with $k$ edges and at most $s$ vertices. In 1973, Brown,…

Disproof of the Odd Hadwiger Conjecture

On the (6,4)-problem of Brown, Erdős and Sós

On the $(6, 4)$ -problem of Brown, Erdős and Sós