A trace formula for two unitary operators with rank one commutator

Boyadzhiev, Khristo N.

doi:10.1090/S0002-9939-1991-1057950-X

A trace formula for two unitary operators with rank one commutator
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Proc. Amer. Math. Soc. 113 (1991), 157-162 Request permission

Abstract:

We give a short and independent proof of the Carey-Pincus trace formula for pairs of unitary operators $U,V$ with $\operatorname {Rank} [U,V] = 1$.

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