Séminaire lotharingien de combinatoire, 80B (2018)
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Pavel Galashin; Steven N. Karp; Thomas Lam. The Totally Nonnegative Grassmannian is a Ball. Séminaire lotharingien de combinatoire, 80B (2018). http://geodesic.mathdoc.fr/item/SLC_2018_80B_a22/
@article{SLC_2018_80B_a22,
author = {Pavel Galashin and Steven N. Karp and Thomas Lam},
title = {The {Totally} {Nonnegative} {Grassmannian} is a {Ball}},
journal = {S\'eminaire lotharingien de combinatoire},
year = {2018},
volume = {80B},
url = {http://geodesic.mathdoc.fr/item/SLC_2018_80B_a22/}
}
TY - JOUR
AU - Pavel Galashin
AU - Steven N. Karp
AU - Thomas Lam
TI - The Totally Nonnegative Grassmannian is a Ball
JO - Séminaire lotharingien de combinatoire
PY - 2018
VL - 80B
UR - http://geodesic.mathdoc.fr/item/SLC_2018_80B_a22/
ID - SLC_2018_80B_a22
ER -
%0 Journal Article
%A Pavel Galashin
%A Steven N. Karp
%A Thomas Lam
%T The Totally Nonnegative Grassmannian is a Ball
%J Séminaire lotharingien de combinatoire
%D 2018
%V 80B
%U http://geodesic.mathdoc.fr/item/SLC_2018_80B_a22/
%F SLC_2018_80B_a22
We prove that three spaces of importance in topological combinatorics are homeomorphic to closed balls: the totally nonnegative Grassmannian, the compactification of the space of electrical networks, and the cyclically symmetric amplituhedron.
