Seminar:
Topologia
Osoba referująca:
Michael Hrusak (Universidad Nacional Autónoma de México)
Seminar item date:
Tuesday, 19. January 2021 - 17:00
Sala:
zoom.us (contact pborod@math.uni.wroc.pl)
Abstract:
We shall introduce a consistent set-theoretic axiom IIA which has
a profound impact on convergence properties in topological groups. As an
application we show that consistently (consequence of IIA) every countable
sequential group is either metrizable or $k_\omega$.