Advances in Differential Equations

Lower-order perturbations of critical growth nonlinearities in semilinear elliptic equations

Filippo Gazzola and Bernhard Ruf

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Abstract

The solvability of semilinear elliptic equations with nonlinearities in the critical growth range depends on the terms with lower-order growth. We generalize some known results to a wide class of lower-order terms and prove a multiplicity result in the left neighborhood of every eigenvalue of $-\Delta$ when the subcritical term is linear. The proofs are based on variational methods; to assure that the considered minimax levels lie in a suitable range, special classes of approximating functions having disjoint support with the Sobolev ``concentrating" functions are constructed.

Article information

Source
Adv. Differential Equations Volume 2, Number 4 (1997), 555-572.

Dates
First available in Project Euclid: 23 April 2013

Permanent link to this document
https://projecteuclid.org/euclid.ade/1366741148

Mathematical Reviews number (MathSciNet)
MR1441856

Zentralblatt MATH identifier
1023.35508

Subjects
Primary: 35J65: Nonlinear boundary value problems for linear elliptic equations
Secondary: 35B20: Perturbations

Citation

Gazzola, Filippo; Ruf, Bernhard. Lower-order perturbations of critical growth nonlinearities in semilinear elliptic equations. Adv. Differential Equations 2 (1997), no. 4, 555--572. https://projecteuclid.org/euclid.ade/1366741148.


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