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math.AG2021
The normal map for plane curves and pathologies in positive characteristic
Edoardo Ballico, Alessandro Oneto
We study the normal map for plane projective curves, i.e., the map associating to every regular point of the curve the normal line at the point in the dual space. We first observe…
math.AG2021
Strength and slice rank of forms are generically equal
Edoardo Ballico, Arthur Bik, Alessandro Oneto +1
We prove that strength and slice rank of homogeneous polynomials of degree over an algebraically closed field of characteristic zero coincide generically. To show this,…