Trace formulae for $p$-hyponormal operators
Studia Mathematica 161 (2004), 1-18 MSC: Primary 47B20; Secondary 47A10, 47B10. DOI: 10.4064/sm161-1-1
The purpose of this paper is to introduce mosaics and principal functions of $p$-hyponormal operators and give a trace formula. Also we introduce $p$-nearly normal operators and give trace formulae for them.