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On the ranks of points of tangent developables (scrolls and Segre-Veronese varieties). (English) Zbl 1286.14069
Summary: We compute the X-rank of points of the tangent developable of embeddings of the Hirzebruch surfaces.
MSC:
14N05 Projective techniques in algebraic geometry
14Q05 Computational aspects of algebraic curves
15A69 Multilinear algebra, tensor calculus
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