R. Rios-Zertuche:
Deformations of closed measures and variational characterization of
  measures invariant under the Euler-Lagrange flow
(preprint) http://arxiv.org/abs/1810.07838 2018

R. Rios-Zertuche:
Existence of differentiable curves in convex sets and the concept of
  direction of the flow in mass transportation
(preprint) http://arxiv.org/abs/1810.05999 2018

R. Rios-Zertuche:
Characterization of minimizable Lagrangian action functionals and a dual
  Mather theorem
(preprint) http://arxiv.org/abs/1810.03433 2018

R. Rios-Zertuche:
Weak KAM theory in higher-dimensional holonomic measure flows
(preprint) http://arxiv.org/abs/1901.08181 2019