James W. York
James W. York Jr. (born July 3, 1939 in Raleigh, North Carolina) is an American mathematical physicist who contributed to the theory of general relativity. In any physical theory, it is important to understand when solutions to the fundamental field equation exist, and answering this question has been a theme of York's scientific work, with Yvonne Choquet-Bruhat, of formulating the Einstein field equation as a well-posed system in the sense of the theory of partial differential equations.
- "Profile at APS". Retrieved October 1, 2012.
- York, J. W. (1971). "Gravitational degrees of freedom and the initial-value problem". Phys. Rev. Lett. 26 (26): 1656–1658. Bibcode:1971PhRvL..26.1656Y. doi:10.1103/PhysRevLett.26.1656.
- York, J. W. (1973). "The role of conformal 3-geometry in the dynamics of gravitation". Phys. Rev. Lett. 28 (16): 1082–1085. Bibcode:1972PhRvL..28.1082Y. doi:10.1103/PhysRevLett.28.1082.
- Ó Murchadha, N., York, J. W. (1974). "Initial-value problem of general relativity I - General formulation and physical interpretation". Phys. Rev. D. 10 (2): 428–436. Bibcode:1974PhRvD..10..428O. doi:10.1103/PhysRevD.10.428.
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