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math.AG2020★ 6 cited
The set of forms with bounded strength is not closed
Edoardo Ballico, Arthur Bik, Alessandro Oneto +1
The strength of a homogeneous polynomial (or form) is the smallest length of an additive decomposition expressing it whose summands are reducible forms. Using polynomial functors,…
math.AG2020★ 4 cited
On the strength of general polynomials
Arthur Bik, Alessandro Oneto
A slice decomposition is an expression of a homogeneous polynomial as a sum of forms with a linear factor. A strength decomposition is an expression of a homogeneous polynomial as…