Ultrafilters vs measures

Seminarium: 
Topologia
Osoba referująca: 
Arturo Martinez Celis
Data: 
wtorek, 8. Kwiecień 2025 - 17:15
Sala: 
A.4.1 C-19
Opis: 
In this talk, we will discuss the similarities and differences between ultrafilters and finite additive measures on the natural numbers, with a particular emphasis on the Rudin-Keisler and Rudin-Blass orderings and their generalization to measures.