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Keyword

central extensions

Description: Central extensions are algebraic extensions of groups or related structures in which the added subgroup lies in the center of the whole structure.
Wikidata ID: wiki/Q114145344
OpenAlex ID: keywords/central-extensions
Central charges in the canonical realization of asymptotic symmetries: An example from three dimensional gravity
1986 · J. D. Brown, Marc Henneaux · Communications in Mathematical Physics · 2,708
Vertex Operator Algebras and the Monster
1988 · Pure and applied mathematics · 1,503
Sur certains groupes d'opérateurs unitaires
1964 · André Weil · Acta Mathematica · 1,062
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Topological phases of fermions in one dimension
2011 · Lukasz Fidkowski, Alexei Kitaev · Physical Review B · 860
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Introduction to Vertex Operator Algebras and Their Representations
2004 · James Lepowsky, Haisheng Li · Birkhäuser Boston eBooks · 773
Loop Spaces, Characteristic Classes and Geometric Quantization
1993 · Jean-Luc Brylinski · Birkhäuser Boston eBooks · 747
Deformations of Lie algebras using σ-derivations
2005 · Jonas T. Hartwig, Daniel Larsson, et al. · Journal of Algebra · 653
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Covariant theory of asymptotic symmetries, conservation laws and central charges
2002 · Glenn Barnich, Friedemann Brandt · Nuclear Physics B · 626
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BMS charge algebra
2011 · Glenn Barnich, Cédric Troessaert · Journal of High Energy Physics · 465
Classical central extension for asymptotic symmetries at null infinity in three spacetime dimensions
2007 · Glenn Barnich, Geoffrey Compère · Classical and Quantum Gravity · 388
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Central extensions of quantum current groups
1990 · N. Yu. Reshetikhin, M. A. Semenov-Tian-Shansky · Letters in Mathematical Physics · 332
Quasi-hom-Lie algebras, central extensions and 2-cocycle-like identities
2005 · Daniel Larsson, Sergei D. Silvestrov · Journal of Algebra · 308
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The exotic Galilei group and the “Peierls substitution”
2000 · C. Duval, P.A. Horváthy · Physics Letters B · 295
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Surface charge algebra in gauge theories and thermodynamic integrability
2008 · Glenn Barnich, Geoffrey Compère · Journal of Mathematical Physics · 287
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Unified Description of Nambu-Goldstone Bosons without Lorentz Invariance
2012 · Haruki Watanabe, Hitoshi Murayama · Physical Review Letters · 272
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Representations of Hom-Lie Algebras
2011 · Yunhe Sheng · Algebras and Representation Theory · 272
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The Schur multiplier
1987 · G. Karpilovsky · Medical Entomology and Zoology · 252
The complete structure of W∞
1990 · C.N. Pope, L.J. Romans, et al. · Physics Letters B · 242
Lagrangian reduction by stages
2001 · Hernán Cendra, Jerrold E. Marsden, et al. · Memoirs of the American Mathematical Society · 240
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Black holes and asymptotics of 2+1 gravity coupled to a scalar field
2002 · Marc Henneaux, Cristián Martínez, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 224
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Superconformal algebras in two dimensions with N=4
1988 · A. Sevrin, W. Troost, et al. · Physics Letters B · 215
Projective Representations of Finite Groups
1985 · G. Karpilovsky · 204
The symplectic structure of N=2 supergravity and its central extension
1996 · A. Ceresole, R. D'Auria, et al. · Nuclear Physics B - Proceedings Supplements · 200
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Aspects of the BMS/CFT correspondence
2011 · Glenn Barnich, Cédric Troessaert · 199
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Gauge-invariant formulations of lineal gravities
1992 · D. Cangemi, R. Jackiw · Physical Review Letters · 194
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Works count: 3,063
Citation count: 42,350
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