Character Polynomials and Lagrange Inversion
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In this thesis, we investigate two expressions for symmetric group characters: Kerov?s universal character polynomials and Stanley?s character polynomials. We give a new explicit form for Kerov?s polynomials, which exactly evaluate the characters of the symmetric group scaled by degree and a constant. We use this explicit expression to obtain specific information about Kerov polynomials, including partial answers to positivity questions. We then use the expression obtained for Kerov?s polynomials to obtain results about Stanley?s character polynomials.
Cite this version of the work
Amarpreet Rattan (2005). Character Polynomials and Lagrange Inversion. UWSpace. http://hdl.handle.net/10012/1029