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 Exercise [19.15] 
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Joined: 12 Jul 2010, 07:44
Posts: 154
Post Exercise [19.15]
\begin{array}{ccl}R_{ab} & = & {R_{acb}}^c\\<br />& = & g^{cd}R_{acbd}\\<br />& = & g^{cd}R_{bdac} \;\;\;\;\;\; \mathrm{by\ the\ interchange\ symmetry\ (see\ p.302\ \&\ exercise\ [14.29])}\\<br />& = & {R_{bda}}^d\\<br />& = & R_{ba}\\<br />\end{array}


07 Apr 2012, 07:29
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