IEVref:	113-07-60		ID:
Language:	en		Status: Standard
Term:	metric tensor
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Symbol:	$g_{\mu \nu }$ $g^{\mu \nu }$
Definition:	symmetric tensor of the second order defining the geometric properties of space-time by the relation $\text{d}{s}^2={\displaystyle \sum _{\mu ,\nu }{g}_{\mu \nu }}\text{d}{x}^{\mu }\text{d}{x}^{\nu }$, where $\text{d}{s}^2$ is a squared interval and $\text{d}{x}^{\text{μ}}$, $\text{d}{x}^{\text{ν}}$ are components of a quasi-infinitesimal displacement four-vector
Publication date:	2022-06
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