79
Views
9
CrossRef citations to date
0
Altmetric
Original Articles

Numerical Radius Isometries

&
Pages 307-314 | Published online: 18 Oct 2010

  • Charzynski , Z. 1953 . Sur les transformations isométriques des espaces du type (F) . Studio Math. , 13 : 94 – 121 .
  • Cheung , W.S. and Li , C.K. 2001 . Linear operators preserving generalized numerical ranges and radii on certain triangular algebras of matrices . Canad. Math. Bull. , 44 : 270 – 281 .
  • Lesnjak , G. 2002 . Additive preservers of numerical range . Linear Algebra Appl. , 345 : 235 – 253 .
  • Li , C.K. 1987 . Linear operators preserving the numerical radius of matrices . Proc. Amer. Math. Soc. , 99 : 601 – 608 .
  • Li , C.K. , ?emrl , P. and Soares , G. 2001 . Linear operators preserving the numerical range (radius) on triangular matrices . Linear and Multilinear Algebra , 48 : 281 – 292 .

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.