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- Max Planck SocietyDE129 papers
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4 papers · 2 filters
Deformations of algebroid stacks
Paul Bressler, Alexander Gorokhovsky, Ryszard Nest +1
In this paper we consider deformations of an algebroid stack on an etale groupoid. We construct a differential graded Lie algebra (DGLA) which controls this deformation theory. In…
Cardy algebras and sewing constraints, I
Liang Kong, Ingo Runkel
This is part one of a two-part work that relates two different approaches to two-dimensional open-closed rational conformal field theory. In part one we review the definition of a…
Formal deformations of Poisson structures in low dimensions
Anne Pichereau
In this paper, we study formal deformations of Poisson structures, especially for three families of Poisson varieties in dimensions two and three. For these families of Poisson str…
Gauged Laplacians on quantum Hopf bundles
Giovanni Landi, Cesare Reina, Alessandro Zampini
We study gauged Laplacian operators on line bundles on a quantum 2-dimensional sphere. Symmetry under the (co)-action of a quantum group allows for their complete diagonalization.…