Abstract
The Stanley decomposition of the joint covariants of three quadratics is computed using a new transvectant algorithm and computer algebra. This is sufficient to compute the general form of the normal form with respect to a nilpotent with three 3-dimensional irreducible blocks.
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Sanders, J.A. Stanley decomposition of the joint covariants of three quadratics. Regul. Chaot. Dyn. 12, 732–735 (2007). https://doi.org/10.1134/S1560354707060135
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DOI: https://doi.org/10.1134/S1560354707060135