Triangulordinary Selmer Groups
arXiv:0805.2572
Abstract
Let be a prime number, and let be a -adic local field. We study a class of semistable -adic Galois representations of , which we call {\it triangulordinary} because it includes the ordinary ones yet allows non-étale behavior in the associated -modules over the Robba ring. Our main result provides a description of the Bloch--Kato local condition of such representations. We also propose a program, using variational techniques, that would give a definition of the Selmer group along the eigencurve of Coleman--Mazur, including notably its nonordinary locus.
39 pages