10 citations · 27 across the 20 of their papers we have counts for
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math.CO2011★ 1 cited
On Volumes of Permutation Polytopes
Katherine Burggraf, Jesús A. De Loera, Mohamed Omar
This paper focuses on determining the volumes of permutation polytopes associated to cyclic groups, dihedral groups, groups of automorphisms of tree graphs, and Frobenius groups. W…
math.AG2011★ 1 cited
Strong nonnegativity and sums of squares on real varieties
Mohamed Omar, Brian Osserman
Motivated by scheme theory, we introduce strong nonnegativity on real varieties, which has the property that a sum of squares is strongly nonnegative. We show that this algebraic p…