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The quantum double for the quantized BRST superalgebra is studied. Thecorresponding R-matrix is explicitly constucted. The Hopf algebras of thedouble form an analytical variety with coordinates described by the canonicaldeformation parameters. This provides the possibility to construct thenontrivial quantization of the proper time supergroup cotangent bundle. Thegroup-like classical limit for this quantization corresponds to the genericsuper Lie bialgebra of the double.Comment: 11 pages, LaTe

BRST algebra quantum double and quantization of the proper time cotangent bundle