curvature tensor

基本解释

In this paper the author using tensor calculus shows that the equation for induced normal curvature of Nankai University and that of Sakai ( Japanese)are of unity.
本文作者利用張量計算，証明了南開大學的誘導法曲率公式與日本酒井公式是統一的，一致的。
In this paper, we investigate the whole formulas of the curvature tensor, Ricci curvature and scalar curvature on the singly and doubly warped product on Lorentzian manifolds.
給出了洛倫茨流形上的曲率張量、純量曲率的計算公式，竝推導出了洛倫茨流形上的二重扭積公式。
This paper studies the Schouten tensor on the locally conformally flat manifold, and gets some sufficient conditions for M to be the space of constant curvature, which improves the known results.
對侷部對稱共形平坦黎曼流形中具有平坦法叢的極小子流形作了一些討論，得到了極小子流形是全測地的兩個充分條件。