A global rigidity theorem for weakly Landsberg manifolds

来源 :中国科学A辑（英文版） | 被引量 : 0次 | 上传用户：wangya110

【摘要】

：

In this paper we study a global rigidity property for weakly Landsberg manifolds and prove that a closed weakly Landsberg manifold with the negative flag curvat

【作者】

：

Bing-ye WU

【机构】

：

Department of Mathematics

【出处】

：

中国科学A辑（英文版）

【发表日期】

：

2004年期

【关键词】

：

geodesic differentiation flag curvature mean Cartan torsion weakly Landsberg man

【基金项目】

：

福建省自然科学基金;国家自然科学基金;the Fund of the Education Department of Fujian Province of China

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In this paper we study a global rigidity property for weakly Landsberg manifolds and prove that a closed weakly Landsberg manifold with the negative flag curvature must be Riemannian.

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A global rigidity theorem for weakly Landsberg manifolds

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