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MacMahon's sum-of-divisors functions, Chebyshev polynomials, and quasi-modular forms

  • George E. Andrews EMAIL logo and Simon C. F. Rose
Published/Copyright: December 23, 2011

Abstract

We investigate a relationship between MacMahon's generalized sum-of-divisors functions and Chebyshev polynomials of the first kind. This determines a recurrence relation to compute these functions, as well as proving a conjecture of MacMahon about their general form by relating them to quasi-modular forms. These functions arise as solutions to a curve-counting problem on Abelian surfaces.

Received: 2010-11-09
Revised: 2011-05-02
Published Online: 2011-12-23
Published in Print: 2013-03

©[2013] by Walter de Gruyter Berlin Boston

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