5 citations · 7 across the 5 of their papers we have counts for
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math.DS2006★ 1 cited
A counterexample to a multidimensional version of the weakened Hilbert's 16-th problem
Marcin Bobienski, Henryk Zoladek
In the weakened 16th Hilbert's Problem one asks for a bound of the number of limit cycles which appear after a polynomial perturbation of a planar polynomial Hamiltonian vector fie…
math.DG2006★ 5 cited
The topological obstructions to the existence of an irreducible SO(3) structure on a five manifold
Marcin Bobienski
A nonstandard (maximal) inclusion SO(3) in SO(5) associated with the irreducible representation ρ_5 of SO(3) in R^5 is considered. The topological obstructions for admitting the SO…