2 papers
math.FA2025
Solution of the Ovals problem
Yacine Chitour, Jochen Denzler, Frédéric Jean +1
In this paper, we bring a complete solution to the Ovals problem, as formulated in [3] and [24].
math.DG2025
Not all sub-Riemannian minimizing geodesics are smooth
Yacine Chitour, Frédéric Jean, Roberto Monti +4
A longstanding open question in sub-Riemannian geometry is the following: are sub-Riemannian length minimizers smooth? We give a negative answer to this question, exhibiting an exa…