新物理首页 ›现代场论 ›《量子场论》——何宝鹏-S矩阵
回答: Thurston 微分几何中,流形的曲率(Riemann张量)是由联络给出的。事实上,双下标的Ricci张量也可以说是由联络唯一
由 marketreflections
于 2011-12-11 10:22:47
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