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math-ph2001
A Remark on Topological Charges over the Fuzzy Sphere
Harald Grosse, Christian W. Rupp
We determine the Chern characters of two projective modules over the fuzzy sphere and calculate the corresponding topological charges (Chern numbers). These turn out to have correc…
math-ph1999
Some properties of the one-dimensional generalized point interactions (a torso)
P. Exner, H. Grosse
This text is a part of an unfinished project which deals with the generalized point interaction (GPI) in one dimension. We employ two natural parametrizations, which are known but…