东北数学（英文版）
東北數學（英文版）
동북수학（영문판）
NORTHEASTERN MATHEMATICAL JOURNAL
2001年
4期
438-448
,共11页
isomorphism%multiplicative map%spectrum%numerical range
In this paper, we discuss some multiplicative preservers and give some characterizations of isomorphisms or conjugate isomorphisms on B (X), where B (X)denotes the algebra of all bounded linear operators on a Banach space X.
