29 Apr 2021
Jerzy Kocik
Lie algebra in graphical language
for pedestrians
(with a tinge of category theory)
[video]
Remark on summation convetion: When an expression has a repeated index, once as a superscript and once as a subscript, the summation over this index is implied, for instance $$A^j_iv^i \equiv \sum_iA^j_iv^i$$ I forgot to mention it at the beginning of the talk.
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