2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66353A celebrated theorem of Harich-Chandra asserts that all invariant eigendistributions on a semisimple Lie group are locally integrable functions. We show that this result is a consequence of an algebraic property of a holonomic D-module defined by Kashiwara and Hotta.Group TheoryAnalysis of PDEs35A27;35D10;17B15D-modules and characters of semi-simple Lie groupstext