Q. Xia: The geodesic problem in quasimetric spaces Journal of Geometric Analysis Vol. 19, N. 2, p. 452-479, 2009 Q. Xia, S. Xu: The Exchange Value Embedded In A Transport System Applied Mathematics and Optimization Vol. 62, N. 2, p. 229 - 252., 2010 Q. Xia: Numerical simulation of optimal transport paths 2010 Second International Conference on Computer Modeling and Simulation p. 521-525, 2010 A. Vershynina, Q. Xia: On the transport dimension of measures SIAM J. MATH. ANAL Vol. 41, N. 6, p. 2407-2430, 2010 Q. Xia: Ramified optimal transportation in geodesic metric spaces Adv. Calc. Var. Vol. 4, N. 3, p. 277-307, 2011 Q. Xia, S. Xu: On the Ramified Optimal Allocation Problem Networks and Heterogeneous Media Vol. 8, N. 2, p. 591-624, 2013 P. Pegon, F. Santambrogio, Q. Xia: A fractal shape optimization problem in branched transport J. Math. Pures Appl. (Accepted Paper) 2017 T. Lazarus, Q. Xia: Generalized Moran sets Generated by Step-wise Adjustable Iterated Function Systems (preprint) 2017 Q. Xia, S. Xu: Ramified optimal transportation with payoff on the boundary (Submitted Paper) 2020 Q. Xia, B. Zhou: The existence of minimizers for an isoperimetric problem with Wasserstein penalty term in unbounded domains Advances in Calculus of Variations 2021