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math.AG2026
ON THE DISTANCE TO DISCRIMINANTS AND OSCULATING VARIETIES
Khazhgali Kozhasov, Bernard Mourrain, Adam Parusi{ń}ski
We study the problem of finding the closest singular hypersurface to a given nonsingular one from algebro-geometric point of view. The set of singular hypersurfaces of a given…
math.AG2026
Symmetric tensor decomposition on rational varieties
Matteo Bechere, Salma Kuhlmann, Bernard Mourrain
We study the Waring decomposition of symmetric tensors with nodes on a rational variety. We provide an explicit characterisation of the existence of such a decomposition under some…