On the failure of Ornstein’s theory in the finitary category.
Uriel Gabor (The Hebrew University)
Thursday, November 21, 2019, 11:10 – 12:00, -101
I’ll show the invalidity of finitary counterparts for three theorems in classification theory: The preservation of being a Bernoulli shift through factors, Sinai’s factor theorem, and the weak Pinsker property. This gives a negative answer to an old conjecture and to a recent open problem.