GENERALIZED ROBERTSON-WALKER SPACETIME;
GEODESIC CONNECTEDNESS;
GEODESIC COMPLETENESS;
STABILITY OF COMPLETENESS;
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摘要:
The geometry and, especially, the geodesics of a class of spacetimes generalizing Robertson-Walker ones (without any assumption on the fiber) is studied, under a global point of view. Our study covers geodesic connectedness, geodesic completeness and stability of completeness.
机构:
CALTECH, Div Phys Math & Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USA
Swansea Univ, Dept Math, Singleton Pk, Swansea SA2 8PP, W Glam, WalesCALTECH, Div Phys Math & Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USA
Fathizadeh, Farzad
Marcolli, Matilde
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机构:
CALTECH, Div Phys Math & Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USACALTECH, Div Phys Math & Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USA