Abstract:We compute Benois L -invariants of weight 1 cuspforms and of their adjoint representations and show how this extends Gross' p-adic regulator to Artin motives which are not critical in the sense of Deligne. Benois' construction depends on the choice of a regular submodule which is well understood when the representation is p-regular, as it then amounts to the choice of a "motivic" p-refinement. The situation is dramatically different in the p-irregular case, where the regular submodules are parametrized by a fl… Show more
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