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Polítop convex

Un polítop convex tridimensional

Un polítop convex és un tipus especial de polítop que té la propietat que també és un conjunt convex de punts de l'espai n-dimensional Rn.[1] Alguns autors utilitzen els termes «polítop convex» i «políedre convex» indistintament, mentre que d'altres prefereixen mantenir la distinció entre les nocions de políedre i polítop.

Addicionalment, algunes obres també requereixen que el polítop sigui un conjunt fitat, mentre que d'altres[2] (incloent-hi aquest article) permeten que els polítops siguin no fitats.

Els polítops convexos tenen un paper important en diverses branques de les matemàtiques i en camps aplicats, de manera notable en programació lineal.

Referències

[modifica]
  1. Branko Grünbaum, Convex Polytopes, 2nd edition, prepared by Volker Kaibel, Victor Klee, and Günter M. Ziegler, 2003, ISBN 0-387-40409-0, ISBN 978-0-387-40409-7, 466pp.
  2. Mathematical Programming, by Melvyn W. Jeter (1986) ISBN 0-8247-7478-7, p. 68
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Polítop convex
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