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math.AG2019★ 3 cited
Geometric conditions for strict submultiplicativity of rank and border rank
Edoardo Ballico, Alessandra Bernardi, Fulvio Gesmundo +2
The -rank of a point in projective space is the minimal number of points of an algebraic variety whose linear span contains . This notion is naturally submultiplicati…
math.AG2019
Strict inclusions of high rank loci
Edoardo Ballico, Alessandra Bernardi, Emanuele Ventura
For a given projective variety , the high rank loci are the closures of the sets of points whose -rank is higher than the generic one. We show examples of strict inclusion be…