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Universal bounds for global solutions of a forced porous medium equation

โœ Scribed by Michael Winkler

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
257 KB
Volume
57
Category
Article
ISSN
0362-546X

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๐Ÿ“œ SIMILAR VOLUMES

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โœ Fucai Li; Chunhong Xie ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 405 KB

In this paper, we investigate the positive solution of nonlinear nonlocal porous medium equation ut -Aum = auP f~ uq dx with homogeneous Dirichlet boundary condition and positive initial value u0(x), where m > 1, p, q > 0. Under appropriate hypotheses, we establish the local existence and uniqueness

The Lower Bounds of T-Periodic Solutions
The Lower Bounds of T-Periodic Solutions for the Forced Duffing Equation
โœ Chengwen Wang ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 98 KB

This paper is devoted to the discussion of the number of T -periodic solutions for the forced Duffing equation, x + kx + g t x = s 1 + h t , with g t x being a continuous function by using the degree theory, upper and lower solutions method, and the twisting theorem.