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Talk:Acceleration (differential geometry)

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Use of abstract Index notation in FORMAL DEFINITION

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I think that It is mixed the use of the abstract index notation and the local chart index notation, and that could be measleading. mantener refrigerado (talk) 07:30, 11 August 2019 (UTC)[reply]

No, it is not. Writing , where denotes the covariant derivative associated to , is not using abstract index notation. Aurel.droud (talk) 08:49, 27 December 2019 (UTC)[reply]