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TOTAL POSITIVITY IN SPRINGER FIBRES

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sword-2021-05-24T16:20:59.original.xml (130 B)
Original SWORD entry document
Author(s)
Lusztig, G
Date Issued
2021
Journal
Quarterly Journal of Mathematics
Publisher
Oxford University Press (OUP)
Version
Original manuscript
Abstract
Abstract
Let u be a unipotent element in the totally positive part of a complex reductive group. We consider the intersection of the Springer fibre at u with the totally positive part of the flag manifold. We show that this intersection has a natural cell decomposition which is part of the cell decomposition (Rietsch) of the totally positive flag manifold.
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Creative Commons Attribution-Noncommercial-Share Alike
http://creativecommons.org/licenses/by-nc-sa/4.0/
Persistent DSpace Link
https://hdl.handle.net/1721.1/136100
DOI of Published Version
10.1093/QMATHJ/HAAA021
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