par Gossez, Jean-Pierre ;Godoy, T.;Paczka, S.
Référence Calculus of variations and partial differential equations, 21, page (85-111)
Publication Publié, 2004
Article révisé par les pairs
Résumé : A minimax formula for the principal eigenvalue of a nonselfadjoint elliptic problem was established in. In this paper we extend this formula to the case where an indefinite weight is present. An application is given to the study of the uniformity of the antimaximum principle.