# grSK geometry Dual to a [[0042 Schwinger-Keldysh techniques|Schwinger-Keldysh contour]] of a field theory. ## Refs - early work [[VanRees2009]] (not in the modern language) - original prescription - [[2018#Glorioso, Crossley, Liu]] - further work - [[JanaLoganayagamRangamani2020]] - [[ChakrabartyChakravartyChaudhuriJanaLogannayagamSivakumar2019]] - reviewed and used in [[GhoshLoganayagamPrabhuRangamaniSivakumarVishal]][]() - extension to arbitrary splits - [[2024#Sivakumar]]