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Unitary conformal Lie-Steinberg algebras. (Russian, English) Zbl 1072.17011
Fundam. Prikl. Mat. 11, No. 2, 135-155 (2005); translation in J. Math. Sci., New York 142, No. 2, 1954-1968 (2007).
The paper provides a complete description of the kernels of universal central extensions of unitary conformal Lie algebras that are also universal conformal Lie-Steinberg algebras. The description is given in terms of skew-dihedral homology.

MSC:
17B65 Infinite-dimensional Lie (super)algebras
17B55 Homological methods in Lie (super)algebras
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