6 problems

Links–Gould polynomial conjecture. The invariant $\mathrm{LG}$ completely captures causality in such spacetimes.

Let $(M,\mathrm{g})$ be an orientable $4$-dimensional globally hyperbolic Lorentzian manifold with an orthogonal decomposition of its tangent bundle $TM=N_\star\oplus N$, where $N$…

Let a globally hyperbolic spacetime be given, and consider the two Proca Hadamard-state conditions referred to as Definition and Definition. Equivalence conjecture. The two definit…

Paracausal equivalence conjecture.

Jones polynomial conjecture. The Jones polynomial detects causality between any two events in $X$.

Cauchy–BTZ extension maximality conjecture. The manifold $M_3$ is both Cauchy-maximal and BTZ-maximal.