{ "id": "1111.1367", "version": "v1", "published": "2011-11-06T02:36:07.000Z", "updated": "2011-11-06T02:36:07.000Z", "title": "On the indecomposability of $ω^n$", "authors": [ "Jared R. Corduan", "François G. Dorais" ], "journal": "Notre Dame J. Formal Logic 53 (2012), 373-395. http://projecteuclid.org/euclid.ndjfl/1348524117", "doi": "10.1215/00294527-1716784", "categories": [ "math.LO" ], "abstract": "We study the reverse mathematics of pigeonhole principles for finite powers of the ordinal $\\omega$. Four natural formulations are presented and their relative strengths are compared. In the analysis of the pigeonhole principle for $\\omega^2$, we uncover two weak variants of Ramsey's Theorem for pairs.", "revisions": [ { "version": "v1", "updated": "2011-11-06T02:36:07.000Z" } ], "analyses": { "keywords": [ "indecomposability", "pigeonhole principle", "reverse mathematics", "finite powers", "natural formulations" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1111.1367C" } } }