$${\mathfrak {sl}}_3$$ sl 3 -Web bases, intermediate crystal bases and categorification

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WEB BASES FOR sl(3) ARE NOT DUAL CANONICAL

We compare two natural bases for the invariant space of a tensor product of irreducible representations of A2, or sl(3). One basis is the web basis, defined from a skein theory called the combinatorial A2 spider. The other basis is the dual canonical basis, the dual of the basis defined by Lusztig and Kashiwara. For sl(2) or A1, the web bases have been discovered many times and were recently sh...

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ژورنال

عنوان ژورنال: Journal of Algebraic Combinatorics

سال: 2014

ISSN: 0925-9899,1572-9192

DOI: 10.1007/s10801-014-0518-5