Sesquilinear version of numerical range and numerical radius

Acta Universitatis Sapientiae: Mathematica

Khan Mohammad Saeed¹  Omidvar Mohsen Erfanian²  Dragomir Silvestru Sever³  Moradi Hamid Reza⁴ 

[1] Department of Mathematics & Statistics, Sultan Qaboos University, Oman;Department of Mathematics, Mashhad Branch, Islamic Azad University, Iran;Mathematics, College of Engineering and Science, Victoria University, Australia;Young Researchers and Elite Club, Mashhad Branch, Islamic Azad University, Mashhad, Iran;

关键词: sesquilinear form;    numerical range;    numerical radius;    norm in-equality;    15a63;    15a03;    47a12;    47a30;    47a63;    47c10;   

DOI  :  10.1515/ausm-2017-0024

来源: DOAJ

【 摘 要 】

In this paper by using the notion of sesquilinear form we introduce a new class of numerical range and numerical radius in normed space

【 授权许可】

Unknown