2 papers
math.SG2024
On the rigidity of translated points
Dylan Cant, Jakob Hedicke
We show that there exist contact isotopies of the standard contact sphere whose time-1 maps do not have any translated points which are optimally close to the identity in the Shelu…
math.SG2022
A causal characterisation of
Jakob Hedicke
We show that the natural conjugation invariant cone structure on the linear symplectic group is globally hyperbolic in the positively elliptic region $\mathrm{Sp}…