Positive Solutions for Nonlinear Eigenvalue Problems

Positive Solutions for Nonlinear Eigenvalue Problems
复制标题

DOI:
10.1006/jmaa.1997.5334
复制
发表时间:
1997-04
影响因子:
1.3
通讯作者:
J. Henderson;Haiyan Wang
J. Henderson;Haiyan Wang
中科院分区:
数学3区
文献类型:
--
作者:
J. Henderson;Haiyan Wang

文献摘要

被引文献

相似文献

- 是的本文研究了边值问题uqlatfus 0,0 t1,1 llf的特征值的确定问题,对于这些特征值,存在正解。- 是的- 是的u 0 s u 1 s 0,2 m。- 是的- 是的其中,W . W . A f:0,` a 0,`是连续的,。w x w . B a:0,1 a 0,“是连续的,并且在任何子区间上都不相同地消失,并且n是连续的。好吧.好吧. q C f s lim f x {\displaystyle q C f s lim f x {\displaystyle q f s lim f x {\displaystyle f s lim f x}}存在。0 x a 0 ` x a`。- 是的- 是的- 是的我们注意到,如果ut是1 l,2的非负解,则ut在0,1上是wx凹的。- 是的- 是的边值问题11,2描述了应用数学科学中的许多现象,这些现象可以在由非线性源产生的非线性扩散理论中找到,在U的热点火中。†电子邮件地址:wangh@math.msu.edu。
Ž . We are concerned with determining values of l eigenvalues , for which there exist positive solutions of the boundary value problem u q la t f u s 0, 0 t 1, 1l Ž . Ž . Ž . u 0 s u 1 s 0, 2 Ž . Ž . Ž . where Ž . w . w . A f : 0, ` a 0, ` is continuous, Ž . w x w . B a: 0, 1 a 0, ` is continuous and does not vanish identically on any subinterval, and Ž . Ž Ž . . Ž Ž . . q C f s lim f x rx and f s lim f x rx exist. 0 x a 0 ` x a` Ž . Ž . Ž . Ž . We remark that, if u t is a nonnegative solution of 1l , 2 , then u t is w x concave on 0, 1 . Ž . Ž . Boundary value problems 1l , 2 describe many phenomena in the applied mathematical sciences, which can be found in the theory of nonlinear diffusion generated by nonlinear sources, in thermal ignition of U E-mail address: hendej2@mail.auburn.edu. † E-mail address: wangh@math.msu.edu.