Data: terça-feira, 12 de fevereiro de 2019, às 14h00.
Sala: A-132
Palestrante: Michal Doucha (Czech Academy of Sciences)
Título: Complexity of distances between metric and Banach spaces.
Resumo: I will present a generalization of the theory of analytic equivalence
relations and Borel reductions between them by introducing the more
general notion of analytic pseudometrics. Then I will present the
results that many standard pseudometrics from functional analysis and
geometry such as Banach-Mazur distance, Gromov-Hausdorff distance,
Kadets distance, etc., are bi-reducible to each other. Because of time
constraints, there will be very few proofs, I will just try to explain
the main ideas. It is joint work with Marek Cuth and Ondrej Kurka (who
gave a talk about our joint paper already at the Second Brazilian
Workshop in Geometry of Banach Spaces).
Sala: A-132
Palestrante: Michal Doucha (Czech Academy of Sciences)
Título: Complexity of distances between metric and Banach spaces.