Geodesic
Steinberg unitary Lie conformal algebras
Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 2, pp. 135-155.

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In this paper, we study Steinberg unitary Lie conformal algebras, which are universal central extensions of unitary Lie conformal algebras. We describe the kernels of these extensions by means of skew-dihedral homology. 
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A. V. Mikhalev; I. A. Pinchuk. Steinberg unitary Lie conformal algebras. Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 2, pp. 135-155. http://geodesic.mathdoc.fr/item/FPM_2005_11_2_a9/

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