Bondi–Metzner–Sachs group
Asymptotic symmetry group of General Relativity / From Wikipedia, the free encyclopedia
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In gravitational theory, the Bondi–Metzner–Sachs (BMS) group, or the Bondi–van der Burg–Metzner–Sachs group, is an asymptotic symmetry group of asymptotically flat, Lorentzian spacetimes at null (i.e., light-like) infinity. It was originally formulated in 1962 by Hermann Bondi, M. G. van der Burg, A. W. Metzner[1] and Rainer K. Sachs[2] in order to investigate the flow of energy at infinity due to propagating gravitational waves. Half a century later, this work of Bondi, van der Burg, Metzner, and Sachs is considered pioneering and seminal.[3] In his autobiography, Bondi considered the 1962 work as his "best scientific work".[4]: 79
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