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Title: Erdős-Ko-Rado results for flags in spherical buildings

Speaker: Sam Matteus Affiliation: Vrije Universiteit Brussel Zoom: Please contact Sabrina Lato for zoom link

Abstract: Over the last few years, Erdős-Ko-Rado theorems have been found in many different geometrical contexts including for example sets of subspaces in projective or polar spaces. A recurring theme throughout these theorems is that one can find sharp upper bounds by applying the Delsarte-Hoffman coclique bound to a matrix belonging to the relevant association scheme.