Journal of Operator Theory, Vol. 64, No. 2 (Fall 2010), pp. 265-298 (34 pages) We prove some noncommutative analogues of a theorem proved by Plotkin and Rudin about isometries between subspaces of ...

The objectives of this course are: to develop competence in the basic concepts of linear algebra, including systems of linear equations, vector spaces, subspaces, linear transformations, the ...

The objectives of this course are: to develop competence in the basic concepts of linear algebra, including systems of linear equations, vector spaces, subspaces, linear transformations, the ...

Let ω be a weight on ℤ, and assume that the translation operator S : (un)n∈ℤ → (un–1)n∈ℤ is bounded on ${\mathrm{\ell}}_{\mathrm{\omega }}^{2}\left(\mathrm{\mathbb{Z}}\right)$, and that the spectrum ...