Browsing by Author "Streinu, Ileana"
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- ItemVirtual polytopes(Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2015) Panina, Gaiane; Streinu, IleanaOriginating in diverse branches of mathematics, from polytope algebra and toric varieties to the theory of stressed graphs, virtual polytopes represent a natural algebraic generalization of convex polytopes. Introduced as the Grothendick group associated to the semigroup of convex polytopes, they admit a variety of geometrizations. A selection of applications demonstrates their versatility.