paper

A positive basis for surface skein algebras

arXiv:1310.1959 · doi:10.1073/pnas.1313070111

Abstract

We show that the twisted SL(2) skein algebra of a surface has a natural basis (the bracelets basis) that is positive, in the sense that the structure constants for multiplication are positive integers.

8 pages, 5 figures; v2: Published version

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