| 11. | More generally, the " Hodge " Laplacian is defined on differential forms by
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| 12. | A particularly important class of tensor fields is the class of differential forms.
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| 13. | Since it is a top-dimensional differential form, it is closed.
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| 14. | The predual of the space of differential forms is the space of chainlets.
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| 15. | These are naturally expressed in the language of exterior calculus and differential forms.
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| 16. | This definition can also be written in differential form as
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| 17. | Recall that the gamma matrices define an isomorphism between differential forms and spinors.
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| 18. | Be the exterior derivative on i-th order differential forms on M.
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| 19. | If the force is conservative the equation can be written in differential form as
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| 20. | With the rise of differential geometry the exterior algebra was applied to differential forms.
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