Totally nonnegative part of the Peterson variety in Lie type A

The Peterson variety (which we denote by \(Y\)) is a subvariety of the flag variety, introduced by Dale Peterson to describe the quantum cohomology rings of all the partial flag varieties. Motivated by the mirror symmetry for partial flag varieties, Rietsch studied the totally nonnegative part \(Y_{...

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Veröffentlicht in:	arXiv.org 2023-10
Hauptverfasser:	Abe, Hiraku, Zeng, Haozhi
Format:	Artikel
Sprache:	eng
Schlagworte:	Decomposition Flags Homology Rings (mathematics)
Online-Zugang:	Volltext
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