Open AccessOn the applicability of the poincaré–Birkhoff twist theorem to a class of planar periodic predator-prey models
Author(s) -
Julián López-Gómez,
Eduardo Muñoz-Hernández,
Fabio Zanolin
Publication year - 2020
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.2020119
Subject(s) - degenerate energy levels , twist , mathematics , planar , class (philosophy) , perturbation (astronomy) , order (exchange) , type (biology) , mathematical analysis , implicit function theorem , periodic function , pure mathematics , physics , computer science , geometry , quantum mechanics , ecology , computer graphics (images) , artificial intelligence , biology , finance , economics