Elias Williams

collaborators

2 papers

math.CO2025

Small 3-fold blocking sets in $PG (2, p^{n})$

Bence CsajbÃ³k, MÃ¡tÃ© RÃ³bert Kepes, Eszter Robin +3

A $t$ -fold blocking set of the finite Desarguesian plane $PG (2, p^{n})$ , $p$ prime, is a set of points meeting each line of the plane in at least $t$ points. The minimum size…

math.MG2025

Covering spiky annuli by planks

Gergely Ambrus, Julian Huddell, Maggie Lai +2

Answering Tarski's plank problem, Bang showed in 1951 that it is impossible to cover a convex body $K \subset R^{d}$ with $d \geq 1$ by planks whose total width is less than…

Small 3-fold blocking sets in PG(2,pn)

Covering spiky annuli by planks

Small 3-fold blocking sets in $PG (2, p^{n})$