Principal bundles on two-dimensional CW-complexes with disconnected structure group
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DOI: 10.1017/s0017089521000434
Abstract: Given any topological group G, the topological classification of principal G-bundles over a finite CW-complex X is long known to be given by the set of free homotopy classes of maps from X to the… read more here.
Keywords: bundles two; group; principal bundles; dimensional complexes ... See more keywords
New Cases of Homogeneous Integrable Systems with Dissipation on Tangent Bundles of Two-Dimensional Manifolds
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DOI: 10.1134/s1064562420050403
Abstract: The integrability of certain classes of homogeneous dynamical systems on the tangent bundles of two-dimensional manifolds is shown. The force fields involved in the systems lead to dissipation of variable sign and generalize previously considered… read more here.
Keywords: new cases; dissipation; dimensional manifolds; bundles two ... See more keywords