Two-dimensional Banach spaces with Polynomial numerical index zero

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220480We study two-dimensional Banach spaces with polynomial numerical indices equal to zero.12 pages, to appear in Linear Algebra ApplFunctional Analysis46B04 (Primary) 46B20, 46G25, 47A12 (Secondary)Two-dimensional Banach spaces with Polynomial numerical index zerotext