In this paper we study the nodal solutions for scalar curvature type equations with perturbation. The main results concern the existence of such solutions and the exact description of their zero set. From this we deduce, in particular cases, some multiplicity results.
L'oggetto del presente articolo è lo studio delle soluzioni soggette a cambiamenti di segno delle equazioni di tipo curvatura scalare a perturbazione. I principali risultati in esso contenuti riguardano l'esistenza di tali soluzioni e la determinazione puntuale del loro insieme degli zeri. Da ciò deduciamo, in alcuni casi, dei risultati di molteplicità.
@article{BUMI_2002_8_5B_1_205_0, author = {Zindine Djadli and Antoinette Jourdain}, title = {Nodal solutions for scalar curvature type equations with perturbation terms on compact Riemannian manifolds}, journal = {Bollettino dell'Unione Matematica Italiana}, volume = {5-A}, year = {2002}, pages = {205-226}, zbl = {1177.58016}, mrnumber = {1881932}, language = {en}, url = {http://dml.mathdoc.fr/item/BUMI_2002_8_5B_1_205_0} }
Djadli, Zindine; Jourdain, Antoinette. Nodal solutions for scalar curvature type equations with perturbation terms on compact Riemannian manifolds. Bollettino dell'Unione Matematica Italiana, Tome 5-A (2002) pp. 205-226. http://gdmltest.u-ga.fr/item/BUMI_2002_8_5B_1_205_0/
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