Twisted K-theory and finite-dimensional approximation
classification
🧮 math.KT
math.AT
keywords
finite-dimensionaltwistedapproximationmodelbundleclasscohomologycomplex
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We provide a finite-dimensional model of the twisted K-group twisted by any degree three integral cohomology class of a CW complex. One key to the model is Furuta's generalized vector bundle, and the other is a finite-dimensional approximation of Fredholm operators.
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