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Biperfectness of the theta basis of a maximal unipotent subgroup

Qiyue Tang

Published Fresh — added to the Hub within the last 30 daysv1

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CC BY 4.0
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Published
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Abstract · v1

We prove that the theta basis of the coordinate ring of a maximal unipotent subgroup of a complex semisimple group is biperfect. This answers affirmatively Question 6.5 in Kamnitzer's ICM 2022 survey.

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