Samuel multiplicity and the structure of essentially semi-regular operators: A note on a paper of Fa

• 作 者: ZENG QingPing ZHONG HuaiJie WU
• 机 构: SchoolofMathematicsandComputerScience,FuzhouStraitVocationTechnologicalCollege
• 出 处: 中国科学：数学英文版
• 发表日期: 2013年6期
• 关键词: 空间结构 半正规 运营商 多样性 半FREDHOLM算子 BANACH 三角模型 初等方法 samuel multiplicity essentially s
• 基金项目: supported by National Natural Science Foundation of China (Grant No.11171066),Specialized Research Fund for the Doctoral Program of Higher Education (Grant Nos. 2010350311001 and 20113503120003),Natur

Motivated by a paper of Fang (2009), we study the Samuel multiplicity and the structure of essentially semi-regular operators on an infinite-dimensional complex Banach space. First, we generalize Fang’s results concerning Samuel multiplicity from semi-Fre