Infinitesimal Deformations and the $l$-Invariant
We give a formula for the generalized Greenberg's $l$-invariant which was constructed in [Ben2] in terms of derivatives of eigenvalues of Frobenius.
2010 Mathematics Subject Classification: 11R23, 11F80, 11S25, 11G40, 14F30
Keywords and Phrases: $p$-adic representation, $(\varphi,\Gamma)$-module, $L$-function
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