Breaking of Symmetries for Forced Equations.
Multiple fixed points of positive mappings.
On the number of positive solutions of some weakly nonlinear equations on annular regions.
Degenerate critical points, homotopy indices and Morse inequalities. II.
Degenerate critical points, homotopy indices and Morse inequalities.
On the influence of domain shape on the existence of large solutions of some superlinear problems.
Stability of fixed points for order-preserving discrete-time dynamical systems.
The generalized Conley index and multiple solutions of semilinear elliptic problems.
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