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math.AG2020
Białynicki-Birula decomposition for reductive groups in positive characteristic
Joachim Jelisiejew, Łukasz Sienkiewicz
We prove the existence of Bialynicki-Birula decomposition for Kempf monoids, which is a large class that contains for example monoids with reductive unit group in all characteristi…
math.AG2018
Białynicki-Birula decomposition for reductive groups
Joachim Jelisiejew, Łukasz Sienkiewicz
We generalize the Białynicki-Birula decomposition from actions of on smooth varieties to actions of linearly reductive group on finite type schemes and algebraic sp…