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math.RA2024
Subalgebras of the rank two semisimple Lie algebras
Andrew Douglas, Joe Repka
In this expository article, we describe the classification of the subalgebras of the rank 2 semisimple Lie algebras. Their semisimple subalgebras are well-known, and in a recent se…
math.RA2024
The subalgebras of
Andrew Douglas, Joe Repka
A classification of the semisimple subalgebras of the Lie algebra of traceless matrices with complex entries, denoted , is well-known. We classify its nonsemisimpl…