Nikita Nekrasov
Urs Schreiber
On Lorentzian orbifolds as target spacetimes in string theory:
On the Gromov-Witten/Donaldson-Thomas correspondence:
On Knizhnik-Zamolodchikov equations controlling codimension defects in D=4 super Yang-Mills theory:
Nikita Nekrasov, BPS/CFT correspondence V: BPZ and KZ equations from -characters [arXiv:1711.11582]
Nikita Nekrasov, Alexander Tsymbaliuk, Surface defects in gauge theory and KZ equation, Letters in Mathematical Physics 112 28 (2022) [arXiv:2103.12611,...