106 citations · 134 across the 10 of their papers we have counts for
10 papers
Pattern Recognition in SAR Images using Fractional Random Fields and its Possible Application to the Problem of the Detection of Oil Spills in Open Sea
Agustín Mailing, Segundo A. Molina, José L. Hamkalo +5
In this note we deal with the detection of oil spills in open sea via self similar, long range dependence random fields and wavelet filters. We show some preliminary experimental r…
Null Sectional Curvatures of Warped Products
Bengi R. Yavuz, Bülent ünal, Fernando Dobarro
In this paper, we investigate the null (light-like) sectional curvatures of Lorentzian warped product manifolds. We derive the formulas for the null sectional curvature of many wel…
Singular Casimir Elements of the Euler Equation and Equilibrium Points
Zensho Yoshida, Philip J. Morrison, Fernando Dobarro
The problem of the nonequivalence of the sets of equilibrium points and energy-Casimir extremal points, which occurs in the noncanonical Hamiltonian formulation of equations descri…
Implications of Energy Conditions on Standard Static Space-times
Fernando Dobarro, Bulent Unal
In the framework of standard static space times, we state a family of sufficient or necessary conditions for a set of physically reasonable energy and convergence conditions in rel…
Killing Vector Fields of Standard Static Space-times
Fernando Dobarro, Bulent Unal
We consider Killing vector fields on standard static space-times and obtain equations for a vector field on a standard static space-time to be Killing. We also provide a characteri…
About curvature, conformal metrics and warped products
Fernando Dobarro, Bulent Unal
We consider the curvature of a family of warped products of two pseduo-Riemannian manifolds and furnished with metrics of the form and…