Abstract
The paper gives an illustrated introduction to the theory of hyperbolic virtual polytopes and related counterexamples to A.D. Alexandrov’s conjecture.
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Knyazeva, M., Panina, G. An illustrated theory of hyperbolic virtual polytopes. centr.eur.j.math. 6, 204–217 (2008). https://doi.org/10.2478/s11533-008-0020-1
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DOI: https://doi.org/10.2478/s11533-008-0020-1