A Morse theory for geodesics on a Lorentz manifold

The singularities of gravitational collapse and cosmology

S. W. Hawking, Roger Penrose · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1970 · 2.1K citations

Natural Sciences, Astronomy, Physics +17

Domain of Dependence

Robert Geroch · Journal of Mathematical Physics · 1970 · 630 citations

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Introduction to General Relativity

Ronald S. Adler, Maurice Bazin, M. Schiffer et al. · American Journal of Physics · 1966 · 471 citations

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A generalized Morse theory

Richard S. Palais, Stephen T. Smale · Bulletin of the American Mathematical Society · 1964 · 300 citations · Full text

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STRUCTURE OF SPACE--TIME.

Roger Penrose · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1968 · 253 citations