Curvilinear schemes and maximum rank of forms
Keywords:
Maximum rank, curvilinear rank, curvilinear schemes, cactus rankAbstract
We define the \emph{curvilinear rank} of a degree $d$ form $P$ in $n+1$ variables as the minimum length of a curvilinear scheme, contained in the $d$-th Veronese embedding of $\mathbb{P}^n$, whose span contains the projective class of $P$. Then, we give a bound for rank of any homogenous polynomial, in dependance on its curvilinear rank.Downloads
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