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2013
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 Sadovskií D. A. Nekhoroshev’s Approach to Hamiltonian Monodromy 2016, vol. 21, no. 6, pp.  720-758 Abstract Using the hyperbolic circular billiard, introduced in [31] by Delos et al. as possibly the simplest system with Hamiltonian monodromy, we illustrate the method developed by N. N. Nekhoroshev and coauthors [48] to uncover this phenomenon. Nekhoroshev’s very original geometric approach reflects his profound insight into Hamiltonian monodromy as a general topological property of fibrations. We take advantage of the possibility of having closed form elementary function expressions for all quantities in our system in order to provide the most explicit and detailed explanation of Hamiltonian monodromy and its relation to similar phenomena in other domains. Keywords: integrable fibration, Hamiltonian monodromy, first homology, $A_1$ singularity Citation: Sadovskií D. A.,  Nekhoroshev’s Approach to Hamiltonian Monodromy, Regular and Chaotic Dynamics, 2016, vol. 21, no. 6, pp. 720-758 DOI:10.1134/S1560354716060113