nonnegatively

См. также в других словарях:

• nonnegatively — adverb In a nonnegative manner, or to a nonnegative degree …   Wiktionary

• Collapsing manifold — For the concept in homotopy, see collapse (topology). In Riemannian geometry, a collapsing or collapsed manifold is an n dimensional manifold M that admits a sequence of Riemannian metrics gn, such that as n goes to infinity the manifold is close …   Wikipedia

• Vitali Kapovitch — is a Professor of Mathematics in University of Toronto.Publications*Perelman s Stability Theorem, To be published in Surveys in Comparison Geometry. *Nilpotency, almost nonnegative curvature and the gradient push, (with A. Petrunin and W.… …   Wikipedia

• Model category — In mathematics, particularly in homotopy theory, a model category is a category with distinguished classes of morphisms ( arrows ) called weak equivalences , fibrations and cofibrations . These abstract from a conventional homotopy category, of… …   Wikipedia