Noncommutative Lagrange mechanics.
Kochan, Denis (2008)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Displaying similar documents to “WKB approximation in noncommutative gravity.”
Noncommutative Lagrange mechanics.
Field theory on curved noncommutative spacetimes.
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The motion of point particles in curved spacetime.
Poisson, Eric (2004)
Living Reviews in Relativity [electronic only]
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Self-localized quasi-particle excitation in quantum electrodynamics and its physical interpretation.
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Exotic galilean symmetry and non-commutative mechanics.
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SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Emergent abelian gauge fields from noncommutative gravity.
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Quasi-local energy-momentum and the Sen geometry of two-surfaces
László Szabados (1997)
Banach Center Publications
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We review the main ideas of the two dimensional Sen geometry and apply these concepts i. in finding the `most natural' quasi-local energy-momentum, ii. in characterizing the zero energy-momentum and zero mass configurations and iii. in finding the quasi-local radiative modes of general relativity.
Non-commutative mechanics in mathematical and in condensed matter physics.
Horváthy, Peter A. (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Regularity and geometric properties of solutions of the Einstein-Vacuum equations
Sergiu Klainerman, Igor Rodnianski (2002)
Journées équations aux dérivées partielles
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We review recent results concerning the study of rough solutions to the initial value problem for the Einstein vacuum equations expressed relative to wave coordinates. We develop new analytic methods based on Strichartz type inequalities which results in a gain of half a derivative relative to the classical result. Our methods blend paradifferential techniques with a geometric approach to the derivation of decay estimates. The latter allows us to take full advantage of the specific structure...
Simple derivation of quasinormal modes for arbitrary spins.
Khriplovich, Iosif, Ruban, Gennady (2005)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Stationary black holes: Uniqueness and beyond.
Heusler, Markus (1998)
Living Reviews in Relativity [electronic only]
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Adiabatic expansion approximation solutions for the three-body problem.
Pahlavani, M.R., Motevalli, S.M. (2008)
APPS. Applied Sciences
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