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math.CO2007
The centers of spin symmetric group algebras and Catalan numbers
Jill Tysse, Weiqiang Wang
Generalizing the work of Farahat-Higman on symmetric groups, we describe the structures of the even centers Z_n of integral spin symmetric group superalgebras, which lead to univer…
math.CO2005
The correlation functions of vertex operators and Macdonald polynomials
Shun-Jen Cheng, Weiqiang Wang
The n-point correlation functions introduced by Bloch and Okounkov have already found several geometric connections and algebraic generalizations. In this Note we formulate a q,t-d…