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Local Ramsey Theory in abstract spaces

Presented by: 
C A Di Prisco Universidad de los Andes
Date: 
Tuesday 25th August 2015 - 10:00 to 11:00
Venue: 
INI Seminar Room 1
Abstract: 
We study the notion of semiselectiviy for coideals of the space of infinite sets of natural numbers, and propose a generalization to abstract Ramsey spaces. We also consider the corresponding forcing notions. Abstract Ramsey spaces in the sense of Todorcevic [1] provide a general framework that unifies several Ramsey type results.

[1] Todorcevic, S. Introduction to Ramsey spaces. Princeton University Press, 2010.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons