Kapranov, Mikhail Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1007/s00029-016-0239-9 (Publisher version)
Kapranov_Derived varieties_oa_2017.pdf (Any fulltext), 447KB
Kapranov, M., Schiffmann, O., & Vasserot, E. (2017). The Hall algebra of a curve. Selecta Mathematica, 23(1), 117-177. doi:10.1007/s00029-016-0239-9.