1. A Comprehensive Introduction to Sub-Riemannian Geometry;Agrachev,2019
2. Gradient Flows in Metric Spaces and in the Space of Probability Measures;Ambrosio,2008
3. Calculus and heat flow in metric measure spaces and applications to spaces with Ricci bounds from below;Ambrosio;Invent. Math.,2014
4. Metric measure spaces with Riemannian Ricci curvature bounded from below;Ambrosio;Duke Math. J.,2014
5. Sobolev spaces in metric measure spaces: reflexivity and lower semicontinuity of slope;Ambrosio;Adv. Stud. Pure Math.,2015