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| University of Bialystok |
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Webpage by: Tomasz Golinski
| XXXVII Workshop on Geometric Methods in Physics | 1-7.07.2018 |
| VII School on Geometry and Physics | 25-29.06.2018 |
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Henryk ŻołądekPERTURBATIONS OF THE HESS–APPELROT AND THE LAGRANGE CASES IN THE RIGID BODY DYNAMICSThe Lagrange case in the rigid body dynamics is completely integrable, with a family of invariant tori supporting periodic or quasi-periodic motion. We study perturbations of this case. In the non-periodic case the KAM theory predicts no changes in the evolution. In the periodic cases one expects existence of isolated limit cycles, which can be studied using Melnikov functions. We find these cycles in the case when the invariant torus is close to so-called critical circle. The presented approach is analogous to our previous analysis of the Hess–Appelrot case. In particular, we show that the number of created limit cycles in the latter case is uniformly bounded. |
| Event sponsored by: | |||||
| University of Bialystok |
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