A differential -form is a Tensor of Rank which is antisymmetric under exchange of any
pair of indices. The number of algebraically independent components in -D is , where this is a
Binomial Coefficient. In particular, a 1-form (often simply called a ``differential'') is a quantity
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See also Angle Bracket, Bra, Exterior Derivative, Ket, One-Form, Symplectic Form, Wedge Product
References
Weintraub, S. H. Differential Forms: A Complement to Vector Calculus. San Diego, CA:
Academic Press, 1996.
© 1996-9 Eric W. Weisstein