J. Briggs

collaborators

2 papers

math.CO2026

Phase transitions in isoperimetric problems on the integers

Joseph Briggs, Chris Wells

Barber and Erde asked the following question: if $B$ generates $Z^{d}$ as an additive group, then must the extremal sets for the vertex/edge-isoperimetric inequality on the C…

math.CO2025

Frogs, hats and common subsequences

Joseph Briggs, Alex Parker, Coy Schwieder +1

Write $W^{(n)}$ to mean the $n$ -letter word obtained by repeating a fixed word $W$ and let $R_{n}$ denote a uniformly random $n$ -letter word sampled from the same alphabet as $W$ . We…