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math.CO2024
An algebraic approach to Erdős-Ko-Rado sets of flags in spherical buildings II
Jan De Beule, Sam Mattheus, Klaus Metsch
We continue our investigation of Erdős-Ko-Rado (EKR) sets of flags in spherical buildings. In previous work, we used the theory of buildings and Iwahori-Hecke algebras to obtain up…
math.CO2024
Maximum Erdős-Ko-Rado sets of chambers and their antidesigns in vector-spaces of even dimension
Philipp Heering, Jesse Lansdown, Klaus Metsch
A chamber of the vector space is a set of subspaces of where and $\dim(S_i)…