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math.RA2012
Representations of Lie Algebras
Keqin Liu
We introduce representations of Lie algebras, and study the counterparts of the P-B-W Theorem and the Hopf algebra structure for the enveloping algebras of Lie algebras in…
math.RA2012
Sheaf Structures On a Class of Noncommutative Spectra
Keqin Liu
We introduce a class of noncommutative spectra and give the sheaf structure on the class of noncommutative spectra.