Document Details Document Type : Article In Journal  Document Title : Uniform Closure of Certain Classes of Operators الإغلاق المنتظم لبعض أنواع عوامل التشغيل   Subject : Mathematics  Document Language : Arabic  Abstract : In this article. the author proved that certain classes of operators, namely. classes of spectraloid. convexoid. normaloid, those operators having their spectrum spectral sets and those operators having their numerical ranges spectral set. are uniformly closed and arcwise connected. Moreover. some set theoretical relationships between these classes are also proved. A.M.S. Classification (1980)] : Primary : 47 A 25 Secondary: 47 A 12  ISSN : 1319-0989  Journal Name : Arts and Humanities Journal  Volume : 1  Issue Number : 1  Publishing Year : 1409 AH 1989 AD  Article Type : Article  Added Date : Thursday, December 31, 2009  Researchers Researcher Name (Arabic) Researcher Name (English) Researcher Type Dr Grade Email محمود محمد كتكت Kutkut, Mahmoud Mohamed Researcher Doctorate   Files File Name Type Description  24587.pdf pdf Uniform Closure of Certain Classes of Operators Back To Researches Page