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Colouring without triangles and partition relation |
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| Authors: | Saharon Shelah |
| Affiliation: | 1. Institute of Mathematics, The Hebrew University of Jerusalem, Jerusalem, Israel |
| Abstract: | We solved questions of Erdös and Hajnal and deal with related topics. In particular, we show (CH) that in an example ofN→[N] 3 2 , there need not be a triangle with three colours. |
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