Functional Analysis and Applications

$IST$

Seminar on
Functional Analysis and Applications

Supported by The Center for Functional Analysis and Applications - CEAF
and FCT projects POCTI/MAT/59972/2004, PTDC/MAT/81385/2006.

July 2, 2010 , Friday - 15h15 (Room P 3.10):

On some new results in the numerical range theory

Ilya Spitkovsky

(College of William and Mary, Williamsburg, Virginia, USA)

Abstract. We will recall the notion of the numerical range (also known as the field of values), outline its known beautiful properties, and discuss some generalizations and results obtained recently. In particular, the ratio field of values will be treated in detail.

Seminars take place in Lisbon, I.S.T. - Post Graduation Building

Webpage: http://www.math.ist.utl.pt/funcional