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The Hessian rank conjecture for Coxeter arrangements of types E6, E7, and E8
Let $\mathsc{A}$ be the Coxeter arrangement associated with a finite reflection group $W$ . The Hessian rank conjecture. The Hessian rank condition holds for $\mathsc{A}$ if $W$ is…
opencoxeter-arrangements hessian reflection-groups
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The Hessian rank conjecture for Coxeter arrangements of types E6, E7, and E8