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Gigli, Nicola (2018-10-18). "Lecture notes on differential calculus on RCD spaces". Publications of the Research Institute for Mathematical Sciences. 54 (4): 855–918. arXiv:1703.06829. doi:10.4171/PRIMS/54-4-4. S2CID119129867.
Gottlieb, Lee-Ad; Solomon, Shay (2014-06-08). Light spanners for snowflake metrics. SOCG '14: Proceedings of the thirtieth annual symposium on Computational geometry. pp. 387–395. arXiv:1401.5014. doi:10.1145/2582112.2582140.
Gigli, Nicola (2018-10-18). "Lecture notes on differential calculus on RCD spaces". Publications of the Research Institute for Mathematical Sciences. 54 (4): 855–918. arXiv:1703.06829. doi:10.4171/PRIMS/54-4-4. S2CID119129867.