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20122026
most citedOn certain finiteness questions in the arithmetic of modular forms

8 citations · 17 across the 6 of their papers we have counts for

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math.NT2018

Dihedral Group, 4-Torsion on an Elliptic Curve, and a Peculiar Eigenform Modulo 4

Ian Kiming, Nadim Rustom

We work out a non-trivial example of lifting a so-called weak eigenform to a true, characteristic 0 eigenform. The weak eigenform is closely related to Ramanujan's tau function whe…