Positivity of Canonical Bases under Comultiplication
Quantum Algebra
2015-12-08 v3 Representation Theory
Abstract
We show the positivity of the canonical basis for a modified quantum affine under the comultiplication. Moreover, we establish the positivity of the i-canonical basis in [LW15] with respect to the coideal subalgebra structure.
Keywords
Cite
@article{arxiv.1511.02434,
title = {Positivity of Canonical Bases under Comultiplication},
author = {Zhaobing Fan and Yiqiang Li},
journal= {arXiv preprint arXiv:1511.02434},
year = {2015}
}
Comments
46 pages