Miguel Ángel Virasoro (physicist)

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Miguel Ángel Virasoro (Spanish: [miˈɣel ˈaŋxel viɾaˈsoɾo]; born 1940 in Argentina) is an Argentine physicist who has done most of his work in Italy.

The Virasoro algebra[1] and the Shapiro–Virasoro model[2] are named after him.


Together with Giorgio Parisi and Marc Mézard Virasoro discovered the Ultrametric organization of low temperature spin glass states in infinite dimensions.

He was a director of the International Centre for Theoretical Physics (ICTP) from 1995 to 2002.

He taught physical-mathematical models for economy at Università di Roma "La Sapienza". He now teaches electromagnetism at "La Sapienza".


  • M. A. Virasoro, Subsidiary conditions and ghosts in dual-resonance models. Phys. Rev., D1 (1970) pp. 2933–2936. This is the paper where the Virasoro algebra was first introduced into string theory.
  • M. Mezard, G. Parisi and M.A. Virasoro, Spin Glass Theory and Beyond (Singapore 1988)


  1. ^ M. A. Virasoro (1970). "Subsidiary conditions and ghosts in dual-resonance models". Physical Review D. 1 (10): 2933. Bibcode:1970PhRvD...1.2933V. doi:10.1103/PhysRevD.1.2933. 
  2. ^ Virasoro, M. (1969). "Alternative constructions of crossing-symmetric amplitudes with Regge behavior." Physical Review, 177(5), 2309–2311.