Rigidity of K-theory under deformation quantization

Details Rigidity of K-theory under deformation quantization Rigidity of K-theory under deformation quantization

1996-07-16

arxiv.org/abs/q-alg/9607021v1

Mathematics

Quantum Algebra

9 pages, LaTeX2e

Scientific paper

Quantization, at least in some formulations, involves replacing some algebra of observables by a (more non-commutative) deformed algebra. In view of the fundamental role played by K-theory in non-commutative geometry and topology, it is of interest to ask to what extent K-theory remains "rigid" under this process. We show that some positive results can be obtained using ideas of Gabber, Gillet-Thomason, and Suslin. From this we derive that the algebraic K-theory with finite coefficients of a deformation quantization of the functions on a compact symplectic manifold, forgetting the topology, recovers the topological K-theory of the manifold.

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