-
differ in the last two places.)
According to Günter M. Ziegler (1995),
permutohedra were
first studied by
Pieter Hendrik Schoute (1911). The name permutoèdre...
- of
convex polytopes.
Special polytopes are also considered, such as
permutohedra, ****ociahedra and
Birkhoff polytopes.
Combinatorial geometry is a historical...
- Alex; Reiner, Victor; Williams,
Lauren (2008), "Faces of
generalized permutohedra" (PDF), Do****enta Mathematica, 13: 207–273, arXiv:math/0609184, Bibcode:2006math...
- 1906. The
facets of all
omnitruncated simplectic honeycombs are
called permutohedra and can be
positioned in n+1
space with
integral coordinates, permutations...
- arXiv:math/0407229. doi:10.1016/j.topol.2005.08.010. Postnikov,
Alexander (2009). "
Permutohedra, ****ociahedra, and Beyond".
International Mathematics Research Notices...
- delta-matroids.
Matroid polytopes are
members of the
family of
generalized permutohedra. Let r : 2 E → Z {\displaystyle r:2^{E}\rightarrow \mathbb {Z} } be the...
- integral;
special polytopes including zonotopes, the
Birkhoff polytope, and
permutohedra; and the
enumeration of
magic squares. In this way, the
topics of the...