The canonical tensor fields of type $(1,1)$ on $(J^r(\odot^2 T^\ast))^\ast$

P. Michalec

Address.
Institute of Mathematics, Cracow University of Technology,
31-155 Krakow, ul. Warszawska 24, Poland.

E-mail: pmichale@usk.pk.edu.pl

Abstract.
We prove that every natural affinor on $(J^r(\odot^2 T^\ast))^\ast (M)$ is proportional to the
identity affinor if dim$M\geq 3$.

AMSclassification. 58A20.

Keywords. Natural affinor, natural bundle, natural transformation.