Triple product identity, Quintuple product identity and Ramanujan’s differential equations for the classical Eisenstein series

Chan, Heng Huat

doi:10.1090/S0002-9939-07-08723-0

Triple product identity, Quintuple product identity and Ramanujan’s differential equations for the classical Eisenstein series
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Abstract:

In this article, we use the triple product identity and the quintuple product identity to derive Ramanujan’s famous differential equations for the Eisenstein series.

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