2 problems

Let $k \ge 1$ and $n \ge 2$ be integers, and consider closed $(2n+1)$-dimensional contact manifolds, as well as algebraic torsion and untwisted algebraic torsion in that dimension.…

Let $Y$ be the unit cotangent bundle of a hyperbolic surface, and let $(M=\Sigma\times Y,\xi_k)$ be the corresponding $5$-dimensional contact manifold of Theorem 5d. These examples…