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Identifiability of general homogeneous polynomials

  • Francesco Galuppi (MPI MiS, Leipzig)
E1 05 (Leibniz-Saal)

Abstract

A homogeneous polynomial of degree d in n+1 variables is identifiable if it admits a unique additive decomposition in powers of linear forms. Identifiability is expected to be very rare. In this paper we conclude a work started more than a century ago and we describe all values of d and n for which a general polynomial of degree d in n+1 variables is identifiable. This is done by classifying a special class of Cremona transformations of projective spaces. This is a joint work with Massimiliano Mella.

Mirke Olschewski

MPI for Mathematics in the Sciences Contact via Mail

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