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关于Riesz代数中的极大不相交系和表示(英)
ON THE MAXIMAL DISJOINT SYSTEM IN Riesz ALGEBRAS AND REPRESENTATION
【摘要】 设E是具有弱单位元素e的ArchimedeanRiesz代数,{ei∶∈I}是一个极大不相交系,其中每一个ei都是投影元素.由ei生成的主带记为B(ei).此文的主要结果是:若存在一个完全正则Hausdorff空间X使得E是Riesz代数同构于C(X),则对每一个i∈I皆存在一个完全正则Hausdorff空间Xi使得B(ei)是Riesz代数同构于C(Xi).在一个附加条件下其逆成立.
【Abstract】 Let E be an Archimedean Riesz algebra possessing a weak unit element e and a maximal disjoint system {e,: i∈I} in which e, is a projection element for each i. The principal band generated by eiis denoted by B(ei). The main result in this paper says that if there exists a completely regular Hausdorff space X such that E is Riesz algebra isomorphic to C(X) then for every i ∈ I there exists a completely regular Hausdorff space X, such that B(ei) is Riesz algebra isomorphic to C(Xi). Under an additional condition the inverse holds.
【Key words】 Riesz algebra; maximal disjoint system; representation; projection element; weak unit element;
- 【文献出处】 Transactions of Tianjin University ,天津大学学报(英文版) , 编辑部邮箱 ,1999年01期
- 【分类号】O177.3
- 【下载频次】10