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williamstein / sage_modabvar

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Determine if modular abelian varieties are isogenous or isomorphic #21

Open kevinywlui opened 8 years ago

kevinywlui commented 8 years ago

Magma can do this when simple factors have multiplicity one.

Section 2.8 here https://cloud.sagemath.com/projects/0d310a14-a099-47d9-87c7-df6b63af54a6/files/modabvar/modabvar.pdf