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2013
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# Vladimir Jovanovic

Banja Luka

## Publications:

 Jovanović B., Jovanovic V. Heisenberg Model in Pseudo-Euclidean Spaces II 2018, vol. 23, no. 4, pp.  418-437 Abstract In the review we describe a relation between the Heisenberg spin chain model on pseudospheres and light-like cones in pseudo-Euclidean spaces and virtual billiards. A geometrical interpretation of the integrals associated to a family of confocal quadrics is given, analogous to Moser’s geometrical interpretation of the integrals of the Neumann system on the sphere. Keywords: discrete systems with constraints, contact integrability, billiards, Neumann and Heisenberg systems Citation: Jovanović B., Jovanovic V.,  Heisenberg Model in Pseudo-Euclidean Spaces II, Regular and Chaotic Dynamics, 2018, vol. 23, no. 4, pp. 418-437 DOI:10.1134/S1560354718040044