海量图书期刊资源,随时随地畅享阅读乐趣
Some criteria for the existence of limit cycles for quadratic vector fieldsJ. Chavarriga; I.A. García · 2003
Homoclinic orbits in generalized Liénard systemsJitsuro Sugie · 2005
Nonoscillation of Mathieu equations with two frequenciesSugie, Jitsuro; Ishibashi, Kazuki · Applied Mathematics and Computation · 2019
Liénard dynamics with an open limit orbitJitsuro Sugie · 2001
Global Asymptotic Stability for Oscillators with Superlinear DampingJitsuro Sugie, Tsunehiko Shimadu, Takashi Yamasaki · 2012
Global asymptotic stability for damped half-linear oscillatorsJitsuro Sugie · 2011
The global centre for the Liénard systemJitsuro Sugie · 1991
Perturbing uniformly stable nonlinear scalar delay-differential equationsToshiaki Yoneyama; Jitsuro Sugie · 1988
Asymptotic stability of a pendulum with quadratic dampingSugie, Jitsuro · Zeitschrift für angewandte Mathematik und Physik · 2014