Infinitesimal deformations and the $\ell$-invariant
Doc. Math. (Bielefeld) Extra Vol. Andrei A. Suslin's Sixtieth Birthday, 5-31 (2010)
We give a formula for the generalized Greenberg's $\ell$-invariant which was constructed in [Zbl 05994421] in terms of derivatives of eigenvalues of Frobenius.
Mathematics Subject Classification
$(\varphi, \Gamma)$-module, $L$-function, $p$-adic representation