数学物理学报(英文版) ›› 1991, Vol. 11 ›› Issue (4): 409-416.

• 论文 • 上一篇    下一篇

OSCILLATION THEOREMS FOR SECOND ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITH DAMPING

陈伯山   

  1. Dept. of Math., Hubei Norm. Univ., Huangshi, China
  • 收稿日期:1989-06-15 修回日期:1990-07-20 出版日期:1991-12-25 发布日期:1991-12-25

OSCILLATION THEOREMS FOR SECOND ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITH DAMPING

Chen Boshan   

  1. Dept. of Math., Hubei Norm. Univ., Huangshi, China
  • Received:1989-06-15 Revised:1990-07-20 Online:1991-12-25 Published:1991-12-25

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摘要： Some new oscillation theorems are established for the second order nonlinear differential equations with damping of the form
(a(t)g(x(t))ẋ(t))·+p(t)ẋ(t)+q(t)f(x(t))=0(·=d/dt) where p(t) and q(t) are allowed to change sign on[t0,∞).

Abstract: Some new oscillation theorems are established for the second order nonlinear differential equations with damping of the form
(a(t)g(x(t))ẋ(t))·+p(t)ẋ(t)+q(t)f(x(t))=0(·=d/dt) where p(t) and q(t) are allowed to change sign on[t0,∞).

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