Numerical index with respect to an operator
Mohammad Ali Ardalani
Studia Mathematica, Tome 223 (2014), p. 165-171 / Harvested from The Polish Digital Mathematics Library
Access to full text
Full (PDF)

We introduce new concepts of numerical range and numerical radius of one operator with respect to another one, which generalize in a natural way the known concepts of numerical range and numerical radius. We study basic properties of these new concepts and present some examples.

Publié le : 2014-01-01
EUDML-ID : urn:eudml:doc:285728 
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm225-2-3,
     author = {Mohammad Ali Ardalani},
     title = {Numerical index with respect to an operator},
     journal = {Studia Mathematica},
     volume = {223},
     year = {2014},
     pages = {165-171},
     zbl = {1316.47006},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm225-2-3}
}

Mohammad Ali Ardalani. Numerical index with respect to an operator. Studia Mathematica, Tome 223 (2014) pp. 165-171. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm225-2-3/