نتایج جستجو برای: positively curved manifold

تعداد نتایج: 150311  

2012
Pedro Machado

Recently, it has been shown that, for Lambert illumination model, solely scenes composed by developable objects with a very particular albedo distribution produce an (2D) image with isolines that are (almost) invariant to light direction change. In this work, we provide and investigate a more general framework; and we show that, in general, the requirement for such invariances is quite strong, ...

Journal: :IEEE Transactions on Knowledge and Data Engineering 2017

Journal: :Science 2003
Jack Wisdom

Cyclic changes in the shape of a quasi-rigid body on a curved manifold can lead to net translation and/or rotation of the body. The amount of translation depends on the intrinsic curvature of the manifold. Presuming spacetime is a curved manifold as portrayed by general relativity, translation in space can be accomplished simply by cyclic changes in the shape of a body, without any external for...

Journal: :Journal of The Institute of Mathematics of Jussieu 2021

In this paper, we develop the theory of singular hermitian metrics on vector bundles. As an application, give a structure theorem projective manifold $X$ with pseudo-effective tangent bundle: admits smooth fibration $X \to Y$ to flat $Y$ such that its general fiber is rationally connected. Moreover, by applying theorem, classify all minimal surfaces bundle and study non-minimal surfaces, which ...

Journal: :Journal of Differential Geometry 2017

Journal: :Journal of Functional Analysis 1981

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