Mathematics – Symplectic Geometry
Scientific paper
2001-07-19
Prog.Theor.Phys.Suppl. 144 (2001) 145-154
Mathematics
Symplectic Geometry
10 pages, PTPTeX style; v2: minor changes, version to be published
Scientific paper
We study a modification of Poisson geometry by a closed 3-form. Just as for ordinary Poisson structures, these "twisted" Poisson structures are conveniently described as Dirac structures in suitable Courant algebroids. The additive group of 2-forms acts on twisted Poisson structures and permits them to be seen as glued from ordinary Poisson structures defined on local patches. We conclude with remarks on deformation quantization and twisted symplectic groupoids.
Severa Pavol
Weinstein Alan
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