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math.QA2001
Local cocycles and central extensions for multi-point algebras of Krichever-Novikov type
Martin Schlichenmaier
Multi-point algebras of Krichever Novikov type for higher genus Riemann surfaces are generalisations of the Virasoro algebra and its related algebras. Complete existence and unique…
math.QA2001
Almost Kaehler deformation quantization
Alexander V. Karabegov, Martin Schlichenmaier
We use a natural affine connection with nontrivial torsion on an arbitrary almost-Kaehler manifold which respects the almost-Kaehler structure to construct a Fedosov-type deformati…