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15th Boise Extravaganza in Set Theory 2006
March 31 - April 2, 2006
Boise State University
Boise, ID, USA

Organizers
Liljana Babinkostova, Stefan Geschke, Justin Moore, and Marion Scheepers

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The combinatorics of tau-covers in the Cohen model
by
Masaru Kada
Osaka Prefecture University

Mildenberber, Shelah and Tsaban studied the cardinal characteristic named "od", which is defined as the critical cardinal of a certain selection principle involving tau-covers. I will define a modified form of selection principle involving tau-covers, and discuss what will happen about the corresponding critical cardinal in the Cohen model (the forcing model obtained by adding many Cohen reals over a model of CH).

Date received: March 20, 2006

Copyright © 2006 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # casb-13.