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Results tagged with differential-geometry
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user 4978
For questions about the discipline that uses differential calculus and linear algebra to study geometrical problems.
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How did Einstein arrive at his field equations without the Bianchi identities or variational...
When we introduce the Einstein equations in courses on General Relativity we use either the Bianchi indentity or the the variational principle to motivate the appearance of the Einstein tensor
$$
G_{\ …
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