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    • The characteristic numbers of the variety of P3 

      Hernández, Xavier; Miret Biosca, Josep M.; Xambó Descamps, Sebastián (2005)
      Article
      Accés obert
      In this note we obtain, phrased in present day geometric and computational frameworks, the characteristic numbers of the family Unod of non–degenerate nodal plane cubics in P3, first obtained by Schubert in his Kalk¨ul ...

    • Using intersection theory 

      Xambó Descamps, Sebastián (Sociedad Matemática Mexicana, 2024-01-27)
      Llibre
      Accés obert
      From the introduction: ``The main goal of this work is to present, together with the basic concepts of intersection theory, a number of concrete examples to illustrate several aspects of the calculations and uses of ...

    • Using Web Technologies to Teach Mathematics 

      Seppälä, Mika; Caprotti, Olga; Xambó Descamps, Sebastián (2005)
      Article
      Accés obert
      The technical barriers hindering the development of on-line learning in the sciences have disappeared in 2005. It is now possible and practical to teach on-line via videoconferencing supported by systems like Festoon. ...