Riemannian geometry provides the essential framework for analysing curved spaces by endowing manifolds with a smoothly varying metric. This field has enabled statisticians to extend classical ...
Proceedings of the American Mathematical Society, Vol. 139, No. 12 (DECEMBER 2011), pp. 4475-4486 (12 pages) Let M⁴ be a PL-manifold of nonnegative curvature that is homeomorphic to a product of two ...
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