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20242026
most citedGroups of Projectivities and Levi Subgroups in Spherical Buildings of Simply Laced Type

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math.GR2026

On the Moufang condition for polar spaces

Sira Busch

We provide direct constructions of nontrivial root elations of thick generalized quadrangles embedded in thick polar spaces of higher finite rank and show that all of these can be…

math.CO2026

Lines and Opposition in Lie Incidence Geometries of Exceptional Type

Sira Busch, Hendrik Van Maldeghem

We characterise sets of points of exceptional Lie incidence geometries, that is, the natural geometries arising from spherical buildings of exceptional types , $\math…