A Oberman, R Takei, A Vladimirksy - team.inria.fr
Let x denote the position, and α denote the direction of motion. Writex (s, α (s)):= d ds x (s, α
(s)). The admissible paths x (t, α (t)) satisfy (ODE) x (s, α (s))= f (x (s), α (s)) where α (·)∈ A is …