Department of Mathematical Sciences
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  Publications

 
 Publications on minimal and constant mean curvatures hypersurfaces:
                        24. New examples of maximal space like surfaces in the anti de-Sitter space, J.Math. Anal. Appl.                              353 (2009) 403-409
                        23. CMC hypersurfaces on riemannian and semi-riemannian manifolds. ArXiv
                        22. Embedded CMC hypersurfaces on Hyperbolic spaces. ArXiv

                      21. Metricas Planas y el teorema de uniformizacion en toros minimos de la esfera 3 dimensional Co-authored with Salas and Montano Rev. Colomb. Cienc. 32 (123): 235-243, 2008

                        20  Embedded CMC hypersurfaces on hyperbolic spaces. ArXiv
                        19.     Algebraic zero mean curvature varieties in semi-riemannian manifolds. ArXiv
                        18.      Embedded constant mean curvature hypersurfaces on spheres. ArXiv

   17.      A charaterization of Quadric Constant Mean curvature Hypersurfaces of spheres. J Geom Anal,  18 2008 no. 3 687--703 (Co-authored with Alias and Brasil). ArXiv version 

16.      On the stability index of hypersurfaces with constant mean curvature in spheres Proc. Amer. Math. Soc. 135 (2007) no. 11, 3685-3693. (Co-authored with Alias and Brasil)

15.      Characterization of order 3 algebraic immersed minimal surfaces of S3. Geom. Dedicata 129 (2007) 23-34.

14.      Minimal torus in S3 invariant under one reflection, Matematicas:Ensenanza Universitaria, Special Issue (2007) 11-16.

13.      Hipervariedades minimas algebraicas en Sn. Rev. Un. Mat. Argentina 47 (2006) 67-75. (Co-authored with Mesa)

12.      Stable constant mean curvature hypersurfaces in the real projective space., manuscript Math 121 (2006). (Co-authored with Alias and Brasil)

11.      Non-existence of regular algebraic surfaces of spheres of degree 3. J. Geom. 84 (2005), no 1-2, 100-105

10.      Another proof for the rigidity of Clifford minimal hypersurfaces fo Sn. Matematicas:Ensenanza Universitaria , 13 (2005), no. 2, 13-18

9.      Distributions of minimal varieties in spheres in terms of the coordinate functions. Rocky Mountain J. Math. 35 (2005),  no1. 227-233.

  8.      Minimal hypersurfaces in Rnas regular values of a function, Rev. Integr. Temas mat. 22, (2004), no.1-2, 1-6.

7.      Rigidity of minimal hypersurfaces with two principal curvatures. Archiv. Mathematic. 82 (2004), 180-184.

6.      Rigidity of minimal hypersurfaces of spheres with constant Ricci curvature, Rev. Colombiana Mat. 38 (2004), no.2  73–85

5.      On the average of the scalar curvature for minimal hypersurfaces of spheres with low index. Illinois Journal of Mathematics 48 no.2 (2004), 559–565

    4.      Stable minimal hypersurfaces in R8 and R9 with constant scalar curvature., Rev. Colombiana Mat., 36, (2002), 96–106

  3.      Low index minimal hypersurfaces of spheres. Asian Journal of Mathematics, 5 (2001) no 4, 715-724.

   2.      First eigenvalue characterization of Clifford hypersurfaces, Proc. Amer. Math. Soc., 130, (2002), 3379-3384.

  1.      La aplicacion de Gauss de una superficie minima completa y Lagrangiana no puede omitir mas de 4 puntos. Memorias III Escuela de Verano, Universidad de los Andes, (June 1995) 33-40.

 

 Publications on Hopf's conjecture:

1.      Metrics on products of surfaces with non positive sectional curvature, Israel Journal of Mathematics 156 (2006) 329-338.

2.      Graficas de funciones sobre variedades. Matematicas:Ensenanza Universitaria , 7 (2004), no.1, 21-26.

3.      Totally geodesics surfaces and the Hopf conjecture, Matematicas:Ensenanza Universitaria , 10 (2005), no.1- 2, 29-35.

 

 Other publications:

1.      Morse Theory for semi analytic functions J. Geom. 84, (2005), no 1-2, 13-22 (Co-authored with Arango).

2.      Nonembeddability of the Klein Bottle in RP3 and Lawson conjecture. Revista Acad. Colombiana Cienc. Exact. Fis. Natur. 29 (2005), no 110, 149-154.

                     3    Sobre el nacimiento de la geometria Riemanniana. Revista Tumbaga (2008), 3, 157-173

4.      Mathematical foundations of a surface made out of triangles. Revista epiciclos. 4 (2005), 77-85.