Singular cohomology inL |
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| Authors: | Howard L Hiller Saharon Shelah |
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| Institution: | 1. Department of Mathematics, Massachusetts Institute of Technology, 02139, Cambridge, Massachusetts, USA
2. Department of Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel
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| Abstract: | We prove, that in the world of constructible sets, there does not exist a spaceX withH″ (X,Z) isomorphic to the rational numbers. The proof requires a result about the growth of Ext z Emphasis>/i (-, Z) inside of Gödel’s constructible universeL. |
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