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Resumen de Projections of surfaces in R4 to R3 and the geometry of their singular images

Raúl Oset Sinha Árbol académico, Farid Tari

  • We study the geometry of germs of singular surfaces in R3 whose parametrisations have an A-singularity of Ae-codimension less than or equal to 3, via their contact with planes. These singular surfaces occur as projections of smooth surfaces in R4 to R3. We recover some aspects of the extrinsic geometry of these surfaces in R4 from those of the images of their projections.

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