3 papers
math.CO2026
A product theorem for -cross intersecting families of subspaces
Toshihiro Shimizu, Norihide Tokushige
Let be an -dimensional vector space over a finite field of order . Let , and let $\mathcal F_1,\ldots,\mathcal F_r\subset \genfrac{[}{]}{0pt}{}{V…
math.CO2022
Counting cliques in a random graph
Taro Sakurai, Norihide Tokushige
We show that the expected number of cliques in the Erdős-Rényi random graph is .
math.CO2021
Application of hypergraph Hoffman's bound to intersecting families
Norihide Tokushige
Using the Filmus-Golubev-Lifshitz method to bound the independence number of a hypergraph, we solve some problems concerning multiply intersecting families with biased measure. Amo…