Mathematics – Operator Algebras
Scientific paper
2000-12-20
Mathematics
Operator Algebras
To appear in Journal of Operator Theory
Scientific paper
In a noncommutative torus, effect of perturbation by inner derivation on the associated quantum stochastic process and geometric parameters like volume and scalar curvature have been studied. Cohomological calculations show that the above perturbation produces new spectral triples. Also for the Weyl C^*-algebra, the Laplacian associated with a natural stochastic process is obtained and associated volume form is calculated. Keywords: noncommutative torus, Laplacian, Dixmier trace, quantum stochastic process.
Chakraborty Partha Sarathi
Goswami Debashish
Sinha Kalyan B.
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