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Seminario L2-invariants
Seminario L2-invariants
https://www.icmat.es/rt/l2invariants2018/index.php
Jueves 22/2/2018
12:00, Aula Gris 1, ICMAT
Ponente: Lukasz Grabowski
(Lancaster)
Title: Almost commuting matrices with respect to the rank metric
Abstract: I will present my recent result with Gabor Elek, which deals
with the variant of the "Halmos problem" for the rank metric. A
particular case is as follows: if A and B are either unitary or
self-adjoint matrices that almost commute with respect to the rank
metric, then one can find commuting matrices C and D which are close
in the rank metric to the matrices A and B respectively.
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Location Jueves 22/2/2018 12:00, Aula Gris 1, ICMAT