PCF theory
id:
pcf-theory-162-16636103
title:
PCF theory
text:
PCF theory is the name of a mathematical theory, introduced by Saharon Shelah (1978), that deals with the cofinality of the ultraproducts of ordered sets. It gives strong upper bounds on the cardinalities of power sets of singular cardinals, and has many more applications as well. The abbreviation "PCF" stands for "possible cofinalities".
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/PCF_theory
date created:
2004-12-02T15:35:32Z
date modified:
2024-08-28T02:54:53Z
main entity:
{"identifier":"Q589250","url":"https://www.wikidata.org/entity/Q589250"}
image:
fields total:
13
integrity:
14