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math.RA2009
Algèbres de Jordan et théorie des invariants
Bruno Blind
If V is a simple complex euclidean Jordan algebra and G the subgroup of GL(V) fixing the determinant of V, we give a unified description of the invariant algebras C[pV]^G, for p no…
math.RA2008
La théorie des invariants des formes quadratiques ternaires revisitée
Bruno Blind
The simultaneous invariants of 2, 3, 4 and 5 ternary quadratic forms under the group $\SL(3, {\Bbb C})$ were given by several authors (P. Gordan, C. Ciamberlini, H.W. Turnbull, J.A…