0.10
Not Vertex-Decomposable 3-Ball
with 7 Vertices and 10 Facets
A vertex-minimal not vertex-decomposable simplicial 3-ball
with 7 vertices and 10 facets.
52B05
90C60
52B22
57Q15
simplicial balls and spheres
vertex-decomposability
shellability
Hirsch conjecture
0 1 3 4
0 1 3 6
0 2 3 5
0 2 5 6
0 3 5 6
1 2 4 5
1 2 4 6
1 3 4 6
2 4 5 6