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• CommentRowNumber1.
• CommentAuthorUrs
• CommentTimeMar 19th 2019

am giving this its own little entry (in line with Spin(2), Spin(3), Spin(4), Spin(5)). For the moment just as to record a nice reference for the exceptional iso $Spin(6) \simeq SU(4)$

• CommentRowNumber2.
• CommentAuthorUrs
• CommentTimeAug 29th 2019

I have added the picture of Dynkin diagrams that illustrates the exceptional iso $Spin(6) \simeq SU(4)$ (here). Am adding this also at SU(4) and at A3

• CommentRowNumber3.
• CommentAuthorJohn Baez
• CommentTimeJan 15th 2021

I added another explanation of why Spin(6) is SU(4).

I should do the same sort of thing for Spin(5) and Spin(4).

• CommentRowNumber4.
• CommentAuthorUrs
• CommentTimeJan 16th 2021

I have hyperlinked more of the technical terms (such as Hodge star operator) and also made explicit some more technical terms used in the formulas (such as dual vector space)