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Publicado en línea: 05 dic 2019
Páginas: 21 - 33
Recibido: 06 ene 2019
Aceptado: 30 ene 2019
DOI: https://doi.org/10.2478/aupcsm-2019-0002
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© 2019 Pietro De Poi et al., published by Sciendo
This work is licensed under a Creative Commons Attribution Share-Alike 4.0 License.
This article presents the theory of focal locus applied to the hyper-surfaces in the projective space which are (finitely) covered by linear spaces and such that the tangent space is constant along these spaces.