Numerical Shadow

The web resource on numerical range and numerical shadow

You are here: start

start

Numerical shadow

Example of a product numerical shadow restricted to real states of matrix $$ \begin{pmatrix} 1&1&1&1\\ 0&i&1&1\\ 0&0&-1&1\\ 0&0&0&-i \end{pmatrix} $$ is forming an image of $\mathbb{R}P^1\times\mathbb{R}P^1$.

Page created by

Supported by Centre for Theoretical Physics, Polish Academy of Sciences.
Hosted and maitained by Institute of Theoretical and Applied Informatics, Polish Academy of Sciences.

start.txt · Last modified: 2019/07/13 11:06 by rkukulski