The flat-neck volume conjecture
Let H+⊆R(a,b)H^+\subseteq\mathbb{R}^{(a,b)}H+⊆R(a,b) be the positive pseudosphere and let N+⊂H+N^+\subset H^+N+⊂H+ be a neck, with Riemannian volume VolN+\operatorname{Vol}N^+VolN+. Flat-neck volume conjecture. T…