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GL(4)-orbits in a 16-dimensional module for characteristic 3

Arjeh M. Cohe
Fac. Wisk. en Inf.
TUE
P.O. Box 513
5600 MB Eindhoven
The Netherlands

David B. Wales
Sloan Lab.
Caltech
Pasadena
CA 91125
USA

Abstracts

Let $k$ be an algebraically closed field of characteristic 3. In this paper we show that there are finitely many $GL(4,k)$-orbits in the quotient of the module $ S^{3} (k^4)$ of all cubic forms by the submodule $ \{ x^3 \mid x\in S^1(k^4)\}$ of cubes of linear forms.



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