Diagram calculus for a type affine C Temperley-Lieb algebra, I

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Abstract

In this paper, we present an infinite dimensional associative diagram algebra that satisfies the relations of the generalized Temperley-Lieb algebra having a basis indexed by the fully commutative elements (in the sense of Stembridge) of the Coxeter group of type affine . C. Moreover, we provide an explicit description of a basis for the diagram algebra. In the sequel to this paper, we show that this diagrammatic representation is faithful. The results of this paper and its sequel will be used to construct a Jones-type trace on the Hecke algebra of type affine . C, allowing us to non-recursively compute leading coefficients of certain Kazhdan-Lusztig polynomials.

Original languageEnglish (US)
Pages (from-to)2467-2488
Number of pages22
JournalJournal of Pure and Applied Algebra
Volume216
Issue number11
DOIs
StatePublished - Nov 2012
Externally publishedYes

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ASJC Scopus subject areas

  • Algebra and Number Theory

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