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Steklov Institute of Mathematics at St.Petersburg

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PREPRINT 22/2003

E. Celeghini and P. P. Kulish ##
DEFORMATION OF ORTHOSYMPLECTIC
LIE SUPERALGEBRA $osp(1|4)$

This preprint was accepted December 25, 2003

ABSTRACT:
orthosymplectic Lie superalgebra $osp (1|4)$ is defined by chains of
twists. Corresponding classical $r$-matrix is obtained by a contraction
procedure from the trigonometric $r$-matrix. The carrier space of the
constant $r$-matrix is the Borel subalgebra.

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