We give an elementary proof that, if the order of a horizontal s-form on a jet bundle does not increase under the operation of the horizontal differential, then the coefficients of the form must be polynomial of degree s in the highest -order coordinates
We give an elementary proof that, if the order of a horizontal s-form on a jet bundle does not increase under the operation of the horizontal differential, then the coefficients of the form must be polynomial of degree s in the highest -order coordinates (en)
We give an elementary proof that, if the order of a horizontal s-form on a jet bundle does not increase under the operation of the horizontal differential, then the coefficients of the form must be polynomial of degree s in the highest -order coordinates (cs)