The thermal time hypothesis: geometrical action of the modular group

The thermal time hypothesis: geometrical action of the modular group in 2D conformal field theory with boundary Pierre Martinetti Universita di Roma Tor Vergata and CMTP Seminaire CALIN, LIPN Paris 13, 8th February 2011 collaboration R. Longo, K.-H. Rehren Review in Mathematical Physics 22 3 (2010) 1-23

• automorphism ?s


• group


• ∂s ?


• ?s


• tomita's operator


• time hypothesis


• conformal field


• modulo inner automorphism