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partially supported by NSFC(11771340,11701434,11431011,11471251,11771441)
In this paper, we study weighted composition operators on the Hilbert space of Dirichlet series with square summable coefficients. The Hermitianness, Fredholmness and invertibility of such operators are characterized,...
supported by the National Natural Science Foundation of China under grant No.11171222;the Doctoral Program of the Ministry of Education under grant No.20094407120001
This note is to present some results on the group invertibility of linear combina- tions of idempotents when the difference of two idempotents is group invertible.