On some nonextendable derivations of the gauge-invariant CAR algebra

Author:

Price Geoffrey L.

Abstract

We provide examples of some approximately inner, commutative \ast -derivations which are generators on the gauge-invariant CAR algebra but which have no closed densely-defined extensions to the CAR. Necessary conditions are given for a class of generators on the GICAR algebra to extend to closed \ast -derivations on the CAR.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference14 articles.

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