Motivated by an application to the unconditional basic sequence problem appearing in our previous paper, we introduce analogues of the Laver ideal on ℵ₂ living on index sets of the form and use this to refine the well-known high-dimensional polarized partition relation for of Shelah.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm217-1-3, author = {P. Dodos and J. Lopez-Abad and S. Todorcevic}, title = {Partition ideals below $\_{o}$ }, journal = {Fundamenta Mathematicae}, volume = {219}, year = {2012}, pages = {21-34}, zbl = {1284.03219}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm217-1-3} }
P. Dodos; J. Lopez-Abad; S. Todorcevic. Partition ideals below $ℵ_{ω}$ . Fundamenta Mathematicae, Tome 219 (2012) pp. 21-34. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm217-1-3/