نتایج جستجو برای: riemannian manifold
تعداد نتایج: 36954 فیلتر نتایج به سال:
we study umbilic (space-like) submanifolds of pseudo-riemannian space forms, then define totally semi-umbilic space-like submanifold of pseudo euclidean space and relate this notion to umbilicity. finally we give characterization of total semi-umbilicity for space-like submanifolds contained in pseudo sphere or pseudo hyperbolic space or the light cone.a pseudo-riemannian submanifold m in (a ps...
The Barzilai-Borwein method for nonlinear optimization is adapted to Riemannian manifold optimization. More generally, global convergence of a nonmonotone line-search strategy for Riemannian optimization algorithms is proved under some standard assumptions. By a set of numerical tests, the Riemannian BarzilaiBorwein method with nonmonotone line-search is shown to be competitive in several Riema...
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