Geodesic
Three Types of Attractors and Mixed Dynamics of Nonholonomic Models of Rigid Body Motion
Informatics and Automation, Differential equations and dynamical systems, Tome 308 (2020), pp. 135-151

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We survey recent results on the theory of dynamical chaos from the point of view of topological dynamics. We present the concept of three types of dynamics: conservative, dissipative, and mixed dynamics, and also show several simple examples of attractors and repellers of all three types. Their similarities and differences with other known types of attractors and repellers (maximal and Milnor ones) are discussed. We also present elements of the qualitative theory of mixed dynamics of reversible systems. As examples of such systems we consider three nonholonomic models of rigid body motion: the Suslov top, rubber disk, and Celtic stone. It is shown that they exhibit mixed dynamics of different nature; in particular, the mixed dynamics observed in the model of rubber disk is extremely difficult to distinguish from the conservative one. 
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     title = {Three {Types} of {Attractors} and {Mixed} {Dynamics} of {Nonholonomic} {Models} of {Rigid} {Body} {Motion}},
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S. V. Gonchenko; A. S. Gonchenko; A. O. Kazakov. Three Types of Attractors and Mixed Dynamics of Nonholonomic Models of Rigid Body Motion. Informatics and Automation, Differential equations and dynamical systems, Tome 308 (2020), pp. 135-151. http://geodesic.mathdoc.fr/item/TRSPY_2020_308_a9/