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Three-dimensional gravity and Drinfel'd doubles: spacetimes and symmetries from quantum deformations
gravity Chern–Simons theory deformation spacetime anti-de Sitter hyperbolic cosmological constant contraction
2010/3/18
We show how the constant curvature spacetimes of 3d gravity and the associated symmetry algebras can be derived from a single quantum deformation of the 3d Lorentz algebra sl(2,R). We investigate the ...
Form Invariance and Noether Symmetries of Rotational
Relativistic Birkhoff Systems
rotational relativity Birkhoff system form invariance
Noether symmetry conserved quantity
2007/8/15
2002Vol.38No.3pp.257-260DOI:
Form Invariance and Noether Symmetries of Rotational
Relativistic Birkhoff Systems
LUO Shao-Kai
Institute of Mathematical Mechanics and Mat...