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Power function on stationary classes
Authors:Moti Gitik  Carmi Merimovich  
Institution:

aSchool of Mathematical Sciences, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv 69978, Israel

bDepartment of Computer Science, The Academic College of Tel Aviv, 4 Antokolsky Street, Tel Aviv 64044, Israel

Abstract:We show that under certain large cardinal requirements there is a generic extension in which the power function behaves differently on different stationary classes. We achieve this by doing an Easton support iteration of the Radin on extenders forcing.
Keywords:Cardinal arithmetic  Large cardinals  Extender based forcing  Stationary sets
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