Recurrence formulae for the coefficients of mock theta functions of order 5 and 7

Abstract

We compute recurrence formulae for the coefficients of Ramanujan’s mock theta functions of order 7 and 5. Our computations rely on a method developed by J.H. Bruinier and M. Schwagenscheidt, who obtained an equation for such coefficients by evaluating regularized theta lifts of harmonic Maass forms in two different ways

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