Each of these three posters contains a piece of digital art depicting an aspect of life during the COVID-19 pandemic. The first poster shows an orange human figure with a sad expression sitting on a cloud that is floating in a starry sky above the planet Earth. Text around the clouds reads: "During the pandemic I felt as if I was watching life p...
Creator:
Enright, Autum
Created:
2021-09
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
Functions whose values are unbounded linear operators describe a large number of processes in optics. The applications include photonic crystals with material properties of Drude-Lorentz type and computations of scattering resonances.In this talk we present new enclosures of the numerical range of an operator functions T. Contrary to the numeric...
Creator:
Engström, Christian (University of Umeà¥)
Created:
2016-12-14
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.