ACTA issues

On the Taylor--Browder spectrum. II

In Ho Jeon

Acta Sci. Math. (Szeged) 65:3-4(1999), 651-655

Abstract. In this note we give a spectral characterization of the Taylor--Browder spectrum for a doubly commuting $n$-tuple of some dominant operators properly containing $M$-hyponormal operators. This extends earlier results obtained by M. Chō.

AMS Subject Classification (1991): 47A13, 47B20, 47A53

Keyword(s): Taylor-Browder spectrum, joint Weyl spectrum, dominant operator, M-hyponormal operator

Received February 9, 1999. (Registered under 2709/2009.)