Deforming the Lie Superalgebra of Contact Vector Fields on S1|1 Inside the Lie Superalgebra of Superpseudodifferential Operators on S1|1
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We classify nontrivial deformations of the standard embedding of the Lie superalgebra K(1) of contact vector fields on the (1,1)-dimensional supercircle into the Lie supealgebra of superpseudodifferential operators on the supercircle. This approach leads to the deformations of the central charge induced on K(1) by the canonical central extension of SDO.
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TY - JOUR AU - N. Ben Fraj AU - S. Omri PY - 2006 DA - 2006/02/01 TI - Deforming the Lie Superalgebra of Contact Vector Fields on S1|1 Inside the Lie Superalgebra of Superpseudodifferential Operators on S1|1 JO - Journal of Nonlinear Mathematical Physics SP - 19 EP - 33 VL - 13 IS - 1 SN - 1776-0852 UR - https://doi.org/10.2991/jnmp.2006.13.1.3 DO - 10.2991/jnmp.2006.13.1.3 ID - Fraj2006 ER -