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/