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 : English  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 : 1319-1047  Journal Name : Engineering Sciences Journal  Volume : 1  Issue Number : 1  Publishing Year : 1409 AH 1989 AD  Article Type : Article  Added Date : Wednesday, July 13, 2011  Researchers Researcher Name (Arabic) Researcher Name (English) Researcher Type Dr Grade Email محمود محمد كتكت Kutkut, Mahmoud Mohamed Researcher Doctorate eng-dean@kau.edu.sa Files File Name Type Description  29947.pdf pdf Uniform Closure of Certain Classes of Operators Back To Researches Page