Imre Leader

activity

20242026

most citedTurán Densities for Daisies and Hypercubes

10 citations · 10 across the 6 of their papers we have counts for

collaborators

Showing 2026Show all

2 papers · 1 filter

math.AT2026

Antipodal paths in covers of spheres

David Ellis, Maria-Romina Ivan, Imre Leader +1

In this note we show that if the sphere $S^{n}$ is covered by $k$ open sets with $n \geq 2 k - 2$ , then one of these sets contains a path with antipodal endpoints. This is best…

math.CO2026

Generalised Prisms and Euclidean Ramsey Theory

Maria-Romina Ivan, Imre Leader, Mark Walters

A finite subset $X$ of $R^{d}$ is called Ramsey if for every $k$ there exists an $n$ such that whenever $R^{n}$ is $k$ -coloured there exists a monochromatic congruent c…