Open AccessExistence and multiplicity of periodic solutions to an indefinite singular equation with two singularities. The degenerate case
Author(s) -
José Godoy,
Nolbert Morales,
Manuel Zamora
Publication year - 2019
Publication title -
discrete and continuous dynamical systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.289
H-Index - 70
eISSN - 1553-5231
pISSN - 1078-0947
DOI - 10.3934/dcds.2019167
Subject(s) - gravitational singularity , degenerate energy levels , multiplicity (mathematics) , sign (mathematics) , nonlinear system , mathematics , mathematical analysis , order (exchange) , singular solution , mathematical physics , pure mathematics , term (time) , function (biology) , physics , quantum mechanics , finance , evolutionary biology , economics , biology