I don't understand this very well.(adsbygoogle = window.adsbygoogle || []).push({});

http://books.google.rs/books?id=vrc...page&q=spin product of graphs nolting&f=false

Can you explain me relation (6.93)? Tnx.

Is [tex]S_iS_jS_jS_k=4[/tex]?

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# Spin product of graphs

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