Special cubic perturbations of the Duffing oscillator x"=x-x3 near the eight-loop
Abstract
We find an upper bound for the number of limit cycles, bifurcating from the 8-loop of the Duffing oscillator x"= x-x3 under the special cubic perturbation x"= x-x3+λ1y+λ2x2+λ3xy+λ4x2y .
0
Turn this paper into a lesson
ArcXiv compiles a structured reading guide from this paper's metadata: plain-English importance, contributions, prerequisite concepts, which sections to read first, flashcards, and a quiz. Grounded in the abstract, never invented.