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TOPOLOGICAL METHODS

IN

NONLINEAR ANALYSIS



Vol. 12, No. 2           December 1998



TABLE OF CONTENTS


Title and Author(s) Page
item In memoriam Jean Leray (1906-1998)
J. Mawhin
199
item Multiplicity for symmetric indefinite functionals: applications to Hamiltonian and elliptic systems
P. Felmer and Z.-Q. Wang
207
item Type (II) Regions Between Curves of the Fucik Spectrum and Critical Groups
K. Perera and M. Schechter
227
item On Schrodinger Equation with Periodic Potential and Critical Sobolev Exponent
J. Chabrowski and Jianfu Yang
245
item Uniqueness of periodic solutions for asymptotically linear Duffing equations with strong forcing
G. Katriel
263
item On the existence of homoclinic orbits for the asymptotically periodic Duffing equation
F. Alessio, P. Caldiroli and P. Montecchiari
275
item Multiple periodic solutions for problems at resonance with arbitrary eigenvalues
P. Habets, E. Sierra and M. Torallo
293
item The Intrinsic Mountain Pass Principle
N. K. Ribarska, Ts. Y. Tsachev and M. I. Krastanov
309
item Morse Complex, Even Functionals and Asymptotically Linear Differential Equations with Resonance at Ifinity
Z. Balanov and E. Schwartzman
323
item Properties of Minimal Invariant Sets for Nonexpansive Mappings
K. Goebel
367
item The Coincidence Reidemeister Classes of Maps on Nilmanifolds
D. L. Goncalves
375



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