Calculus of Variations and Geometric Measure Theory
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P. Lewintan

A coordinate-free view on “the” generalized cross product

created by lewintan on 26 May 2021

[BibTeX]

Preprint

Inserted: 26 may 2021
Last Updated: 26 may 2021

Year: 2021

Abstract:

The higher dimensional generalization of the cross product is associated with an adequate matrix multiplication. This coordinate-free view allows for a better understanding of the underlying algebraic structures, among which are generalizations of Grassmann’s, Jacobi’s and Room’s identities. Moreover, such a view provides a the higher dimensional analogue of the decomposition of the vector Laplacian which itself gives an explicit coordinate-free Helmholtz decomposition in arbitrary dimensions n ≥ 2.

Keywords: generalized curl, Generalized cross product, Jacobi’s identity, coordinate-free view, vector Laplacian, Helmholtz decomposition


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