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math.AG2015
A Note on Normalizations of Orbit Closures
Jesko Hüttenhain
We give a negative answer to a question by J.M. Landsberg on the nature of normalizations of orbit closures. A counterexample originates from the study of complex, ternary, cubic f…
math.AG2015★ 8 cited
The boundary of the orbit of the 3 by 3 determinant polynomial
Jesko Hüttenhain, Pierre Lairez
We consider the 3 by 3 determinant polynomial and we describe the limit points of the set of all polynomials obtained from the determinant polynomial by linear change of variables.…