Abstract
The associahedron is a convex polytope whose vertices correspond to triangulations of a convex polygon. We define two signed or hyperoctahedral analogues of the associahedron, one of which is shown to be a simple convex polytope, and the other a regular CW-sphere.
Original language | English (US) |
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Pages (from-to) | 83-95 |
Number of pages | 13 |
Journal | New York Journal of Mathematics |
Volume | 4 |
State | Published - Aug 2 1998 |
Keywords
- Associahedron
- Convex polytope
- Coxeter groups
- Triangulation