Diffeomorphism algebra of a two-dimensional free massless scalar field with signature change

DOI10.1088/0264-9381/16/4/029zbMath0935.81047arXivhep-th/9712240OpenAlexW2022502188MaRDI QIDQ4699903

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Publication date: 18 November 1999

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/9712240

zbMATH Keywords

signature changediffeomorphism algebratwo-dimensional cylinderfree massless scalar fields

Mathematics Subject Classification ID

Quantum field theory on curved space or space-time backgrounds (81T20) Infinite-dimensional groups and algebras motivated by physics, including Virasoro, Kac-Moody, (W)-algebras and other current algebras and their representations (81R10) Methods of quantum field theory in general relativity and gravitational theory (83C47)

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Casimir effect in a two-dimensional signature changing space-time

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