A degree for S1-equavariant orthogonal maps and its applications to bifurcation theory S Rybicki
Nonlinear Analysis: Theory, Methods & Applications 23 (1), 83-102, 1994
84 1994 A short treatise on the equivariant degree theory and its applications Z Balanov, W Krawcewicz, S Rybicki, H Steinlein
Journal of Fixed Point Theory and Applications 8, 1-74, 2010
63 2010 Degree for equivariant gradient maps S Rybicki
Milan Journal of Mathematics 73 (1), 103-144, 2005
55 2005 Existence of limit cycles for coupled van der Pol equations N Hirano, S Rybicki
Journal of Differential Equations 195 (1), 194-209, 2003
49 2003 Applications of degree for -equivariant gradient maps to variational nonlinear problems with -symmetries S Rybicki
43 1997 Classification of homotopy classes of equivariant gradient maps EN Dancer, K Geba, S Rybicki
Fund. Math 185 (1), 1-18, 2005
36 2005 Existence and continuation of periodic solutions of autonomous Newtonian systems J Fura, A Ratajczak, S Rybicki
Journal of Differential Equations 218 (1), 216-252, 2005
33 2005 Global bifurcations of critical orbits of G-invariant strongly indefinite functionals A Gołȩbiewska, S Rybicki
Nonlinear Analysis: Theory, Methods & Applications 74 (5), 1823-1834, 2011
30 2011 A note on periodic solutions of autonomous Hamiltonian systems emanating from degenerate stationary solutions EN Dancer, S Rybicki
28 1999 On Rabinowitz alternative for the Laplace-Beltrami operator on : continua that meet infinity S Rybicki
22 1996 Equivariant bifurcation index GL Garza, S Rybicki
Nonlinear Analysis: Theory, Methods & Applications 73 (9), 2779-2791, 2010
21 2010 Periodic trajectories near degenerate equilibria in the Hénon-Heiles and Yang-Mills Hamiltonian systems A Maciejewski, W Radzki, S Rybicki
Journal of Dynamics and Differential Equations 17 (3), 475-488, 2005
21 2005 Global Bifurcations of Solutions of Emden–Fowler-Type Equation− Δu (x)= λf (u (x)) on an Annulus in Rn, n⩾ 3 SM Rybicki
Journal of Differential Equations 183 (1), 208-223, 2002
19 2002 EQUIVARIANT CONLEY INDEX VERSUS DEGREE FOR EQUIVARIANT GRADIENT MAPS. A Gołębiewska, S Rybicki
Discrete & Continuous Dynamical Systems-Series S 6 (4), 2013
18 2013 Some remarks on the Euler ring U (G) K Gęba, S Rybicki
Journal of Fixed Point Theory and Applications 3 (1), 143-158, 2008
18 2008 Applications of equivariant degree for gradient maps to symmetric Newtonian systems H Ruan, S Rybicki
Nonlinear Analysis: Theory, Methods & Applications 68 (6), 1479-1516, 2008
18 2008 Global bifurcations of periodic solutions of the restricted three body problem AJ Maciejewski, SM Rybicki
Celestial Mechanics and Dynamical Astronomy 88, 293-324, 2004
18 2004 Periodic solutions of second order Hamiltonian systems bifurcating from infinity J Fura, S Rybicki
Annales de l'IHP Analyse non linéaire 24 (3), 471-490, 2007
16 2007 Global bifurcations of solutions of elliptic differential equations S Rybicki
Journal of mathematical analysis and applications 217 (1), 115-128, 1998
16 1998 Degenerate bifurcation points of periodic solutions of autonomous Hamiltonian systems W Radzki, S Rybicki
Journal of Differential Equations 202 (2), 284-305, 2004
15 2004