On the Local Behavior of Ordinary Modular Galois Representations
On the Local Behavior of Ordinary Modular Galois Representations
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普通模伽罗瓦表示的局部行为
DOI:
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发表时间:
2004
期刊:
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通讯作者:
Eknath Ghate
中科院分区:
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作者:
Eknath Ghate
We show that if the restriction to the decomposition group at p of the p-adic Galois representation attached to one member of a Hida family of elliptic modular cusp forms is non-split then it is non-split for all but finitely many members of this family. We explain the relevance of this result to a question of Greenberg on the local splitting behavior of ordinary modular Galois representations.