Open AccessThe Existence of Periodic Solutions of a Class of <i>n</i>-Degree Polynomial Differential Equations*
Author(s) -
Ni Hua
Publication year - 2021
Publication title -
applied mathematics
Language(s) - English
Resource type - Journals
eISSN - 2152-7393
pISSN - 2152-7385
DOI - 10.4236/am.2021.121004
Subject(s) - mathematics , degree (music) , differential equation , class (philosophy) , polynomial , fixed point theorem , mathematical analysis , pure mathematics , physics , computer science , artificial intelligence , acoustics