By multiderivations (of order $k$) I mean polylinear skew-commutative operations with values in my algebra which satisfy Leibniz rule in each of the arguments. (That is, the dual module to differential $k$-forms.) I can consider exterior product on them. In many cases all these multiderivations would be generated by simple derivations (that is, by order 1). Is there an example where it´s not the case?
2026-04-06 03:45:51.1775447151
Is there a commutative algebra for which multiderivations are not generated by order 1?
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