2 problems

Symmetric infinitesimal rigidity conjecture for centrally symmetric complexes
Symmetric infinitesimal rigidity conjecture. If $\Delta$ is a simplicial sphere, a connected simplicial manifold, or a normal pseudomanifold and $d-1\geq 3$ , then there exists a sy…
opencentrally-symmetric-complexes rigidity-theory simplicial-manifolds
0 responses
03
Sparla's Euler-characteristic conjecture for centrally symmetric manifolds
Sparla's conjecture. The inequality
opencentrally-symmetric-complexes combinatorial-manifolds euler-characteristic
0 responses
02