Positivity of canonical bases under comultiplication

Zhaobing Fan; Yiqiang Li

doi:10.1093/imrn/rnz047

Positivity of canonical bases under comultiplication

Zhaobing Fan
, Yiqiang Li

Mathematics

University at Buffalo

Harbin Engineering University

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

We show the positivity of the canonical basis for a modified quantum affine sln under the comultiplication. Moreover, we establish the positivity of the i-canonical basis in [21] with respect to the coideal subalgebra structure.

Original language	English
Pages (from-to)	6871-6931
Number of pages	61
Journal	International Mathematics Research Notices
Volume	2021
Issue number	9
DOIs	https://doi.org/10.1093/imrn/rnz047
State	Published - 2019

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title = "Positivity of canonical bases under comultiplication",

abstract = "We show the positivity of the canonical basis for a modified quantum affine sln under the comultiplication. Moreover, we establish the positivity of the i-canonical basis in [21] with respect to the coideal subalgebra structure.",

author = "Zhaobing Fan and Yiqiang Li",

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doi = "10.1093/imrn/rnz047",

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AB - We show the positivity of the canonical basis for a modified quantum affine sln under the comultiplication. Moreover, we establish the positivity of the i-canonical basis in [21] with respect to the coideal subalgebra structure.

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DO - 10.1093/imrn/rnz047

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EP - 6931

JO - International Mathematics Research Notices

JF - International Mathematics Research Notices

IS - 9

ER -

Positivity of canonical bases under comultiplication

Abstract

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