Nonlinear Differential Equations,
Electron. J. Diff. Eqns., Conf. 05, 2000, pp. 237-245.

On critical points for noncoercive functionals and subharmonic solutions of some Hamiltonian systems

Klaus Schmitt & Zhi-Qiang Wang

Abstract:
The paper is concerned with existence results about subharmonic solutions of some Hamiltonian systems. The existence of such solutions is established using a variational approach and results about minima of noncoercive functionals.

Published October 25, 2000.
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Klaus Schmitt
Department of Mathematics, University of Utah
155 South 1400 East
Salt Lake City, UT 84112, USA
e-mail: schmitt@math.utah.edu

Zhi-Qiang Wang
Department of Mathematics and Statistics
Utah State University
Logan, UT 84322, USA
e-mail: wang@math.usu.edu

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