Auswahl aktueller Veröffentlichungen

1.   On the theorems of Borsuk-Ulam and Ljusternik-Schnirelmann-Borsuk, Canad. Math. Bull. 27 (1984), 192-204

2.   Borsuk's antipodal theorem and its generalizations and applications: a survey, Méthodes topologiques en analyse non linéaire, Sémin. Math. Supér., Sémin. Sci. OTAN (NATO Adv. Study Inst.) 95(1985), 166-235

3.   mit H.-O. Walther, Hyperbolic sets and shadowing for noninvertible maps, Advanced Topics in the Theory of Dynamical Systems. G. Fusco, M. Iannelli, L. Salvadori (ed.). Notes and Reports in Mathematics in Science and Engineering, vol. 6, Academic Press, San Diego, 1989

4.   mit H.-O. Walther, Hyperbolic sets, transversal homoclinic trajectories and symbolic dynamics for -maps in Banach spaces, J. Dynamics Differential Equations 2 (1990), 325-365

5.   Spheres and symmetry: Borsuk's antipodal theorem, Topol. Methods Nonlinear Anal. 1 (1993), 15-33

6.   On the index of approximating sets of periodic points, manuscripta math. 89 (1996), 15-33