MathDB2 problems
- 0 votes0 replies0 views
Conjecture identifying generalized repeated principal null directions
Let be the Weyl tensor, viewed as an operator on the bivector bundle, and let a simple self-dual eigenbivector mean a self-dual bivector that is simple and is an eigenbivector…
- 0 votes0 replies1 view
Nonexistence of purely magnetic vacuum or dust spacetimes
Purely magnetic vacuum-or-dust conjecture. Purely magnetic vacuum or dust spacetimes do not exist.