Publications by the researcher in collaboration with JOSE CARLOS DIAZ RAMOS (12)

2008

  1. Hermitian-Walker 4-manifolds

    Journal of Geometry and Physics, Vol. 58, Núm. 3, pp. 307-323

  2. Four-dimensional manifolds with degenerate self-dual Weyl curvature operator

    Annals of Global Analysis and Geometry, Vol. 34, Núm. 2, pp. 185-193

2007

  1. Almost Kähler Walker 4-manifolds

    Journal of Geometry and Physics, Vol. 57, Núm. 3, pp. 1075-1088

2006

  1. New examples of Osserman metrics with nondiagonalizable Jacobi operators

    Differential Geometry and its Application, Vol. 24, Núm. 4, pp. 433-442

  2. Homogeneity and curvatures of geodesic spheres

    Monatshefte fur Mathematik, Vol. 149, Núm. 4, pp. 303-322

  3. Four-dimensional Osserman metrics with nondiagonalizable Jacobi operators

    Journal of Geometric Analysis, Vol. 16, Núm. 1, pp. 39-52

2005

  1. Curvature properties of geodesic celestial spheres in Lorentzian geometry

    Nonlinear Analysis, Theory, Methods and Applications

  2. Total scalar curvatures of geodesic spheres and of boundaries of geodesic disks

    Progress in Mathematics (Springer Basel), pp. 131-143

  3. Total curvatures of geodesic spheres associated to quadratic curvature invariants

    Annali di Matematica Pura ed Applicata, Vol. 184, Núm. 1, pp. 115-130

  4. Comparison results for the volume of geodesic celestial spheres in Lorentzian manifolds

    Differential Geometry and its Application, Vol. 23, Núm. 1, pp. 1-16

2004

  1. On some volume comparison results in Lorentzian geometry

    II International Meeting on Lorentzian Geometry : Murcia, Spain, november 12-14, 2003

  2. A note on the structure of algebraic curvature tensors

    Linear Algebra and Its Applications, Vol. 382, Núm. 1-3, pp. 271-277