Title of article
varrho-contraction and 2 × 2 matrix Original Research Article
Author/Authors
Takahiko Nakazi، نويسنده , , Kazuyoshi Okubo، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1998
Pages
5
From page
165
To page
169
Abstract
In this paper, the following is proved. When aless-than-or-equals, slant1 and bless-than-or-equals, slant1, image is a g9-contraction if and only if image where D is the open unit disc. The result is then extended to quadratic operators. Several special cases of the result are analysed in detail.
Keywords
Numerical radius , p-dilation , matrix
Journal title
Linear Algebra and its Applications
Serial Year
1998
Journal title
Linear Algebra and its Applications
Record number
822541
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