Mathematics – Quantum Algebra
Scientific paper
2004-12-13
Mathematics
Quantum Algebra
The final version. The original text has grown into two stories -- one about graph complexes with wheels and another about pro
Scientific paper
Motivated by the problem of deformation quantization we introduce and study directed graph complexes with oriented loops and wheels. We develop some technique for computing cohomology of such graph complexes and apply it to several concrete examples such as wheeled completion of the operad of strongly homotopy Lie algebras and the wheeled completion of the dg prop of Poisson structures. We prove also a deformation quantization theorem of wheeled Poisson structures on arbitrary formal graded manifolds.
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