嵌入非交换空间的投射模描述
Projective module description of embedded noncommutative spaces
摘要：
在\cite{CTZZ}的几何框架下，给出了Moyal代数上嵌入的非交换空间的代数形式.我们显式地构造了嵌入的非交换空间的切丛对应的投射模，并从这个代数公式中恢复了\cite{CTZZ}中几何地引入的度量、Levi-Civita联络和相关曲率.给出了一般坐标变换下的连接和曲率变换规则。发现了Moyal代数上的一个棒对合，并描述了它在非交换微分几何中的作用。
英文摘要：
An algebraic formulation is given for the embedded noncommutative spaces over the Moyal algebra developed in a geometric framework in \cite{CTZZ}. We explicitly construct the projective modules corresponding to the tangent bundles of the embedded noncommutative spaces, and recover from this algebraic formulation the metric, Levi-Civita connection and related curvatures, which were introduced geometrically in \cite{CTZZ}. Transformation rules for connections and curvatures under general coordinate changes are given. A bar involution on the Moyal algebra is discovered, and its consequences on the noncommutative differential geometry are described.
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