Product structure and regularity theorem for totally nonnegative flag varieties

DOI10.1007/S00222-024-01256-2MaRDI QIDQ6560720

Xuhua He, Huanchen Bao

Publication date: 23 June 2024

Published in: Inventiones Mathematicae (Search for Journal in Brave)

zbMATH Keywords

flag varietyGrassmannianRichardson varietyKac-Moody groupregularity theoremSchubert cellJ-positivitytotally positive variety

Mathematics Subject Classification ID

Grassmannians, Schubert varieties, flag manifolds (14M15) Positive matrices and their generalizations; cones of matrices (15B48) Kac-Moody groups (20G44)

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