Submitted:
06 May 2026
Posted:
07 May 2026
You are already at the latest version
Abstract
In this paper, we are concerned with the existence of crossing periodic solutions for a class of second order discontinuous undamped Duffing equations. By applying the Poincaré-Bohl theorem, we obtain several existence results of 2π crossing periodic solutions.
Keywords:
Duffing equation
; discontinuity
; undamped
; Poincaré-Bohl theorem
; crossing periodic solution
; existence
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