 92185 Landi G., Marmo G., Vilasi G.
 REMARKS ON THE COMPLETE INTEGRABILITY OF DYNAMICAL SYSTEMS WITH
FERMIONIC VARIABLES
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Nov 24, 92

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Abstract. We study the r\^{o}le of $(1,1)$ graded tensor field
$T$ in the analysis of complete integrability of dynamical systems
with fermionic variables. We find that such a tensor $T$ can be a
recursion operator if and only if $T$ is even as a graded map,
namely, if and only if $p(T) = 0$.
We clarify this fact by
constructing an odd tensor for two examples, a supersymmetric Toda
chain and a supersymmetric harmonic oscillator. We explicitly show
that it cannot be a recursion operator not allowing then to build new
constants of the motion out of the first two ones in contrast to what
usually
happens with ordinary, i.e. non graded systems.
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