Skip to Main Content

Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

An alternate variational principle for $\Delta u-u+\mid u\mid ^{r-1}\textrm {sgn} u=0$
HTML articles powered by AMS MathViewer

by Charles V. Coffman PDF
Proc. Amer. Math. Soc. 87 (1983), 666-670 Request permission

Abstract:

An alternate variational principle for the equation in the title has been proposed by H. A. Levine. We analyse the relation between this principle and the Rayleigh quotient that has been used previously for the variational study of this problem in ${R^N}$. The main result is an existence theorem for ${W^{1,2}}({R^N})$-solutions of the variational problem posed by Levine.
References
  • Charles V. Coffman, Uniqueness of the ground state solution for $\Delta u-u+u^{3}=0$ and a variational characterization of other solutions, Arch. Rational Mech. Anal. 46 (1972), 81–95. MR 333489, DOI 10.1007/BF00250684
  • Avner Friedman, Partial differential equations, Holt, Rinehart and Winston, Inc., New York-Montreal, Que.-London, 1969. MR 0445088
  • H. A. Levine, A numerical estimate for the best constant in a two-dimensional Sobolev inequality with three integral norms, Notices Amer. Math. Soc. 26 (1979), Abstract 79T-B16.
  • Howard A. Levine, An estimate for the best constant in a Sobolev inequality involving three integral norms, Ann. Mat. Pura Appl. (4) 124 (1980), 181–197. MR 591555, DOI 10.1007/BF01795392
  • Zeev Nehari, On a nonlinear differential equation arising in nuclear physics, Proc. Roy. Irish Acad. Sect. A 62 (1963), 117–135 (1963). MR 165176
  • Giorgio Talenti, Best constant in Sobolev inequality, Ann. Mat. Pura Appl. (4) 110 (1976), 353–372. MR 463908, DOI 10.1007/BF02418013
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 35J60, 35J20
  • Retrieve articles in all journals with MSC: 35J60, 35J20
Additional Information
  • © Copyright 1983 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 87 (1983), 666-670
  • MSC: Primary 35J60; Secondary 35J20
  • DOI: https://doi.org/10.1090/S0002-9939-1983-0687637-X
  • MathSciNet review: 687637