# Sh:465

- Shelah, S., & Steprāns, J. (1993).
*Maximal chains in ^\omega\omega and ultrapowers of the integers*. Arch. Math. Logic,**32**(5), 305–319. arXiv: math/9204205 DOI: 10.1007/BF01409965 MR: 1223393

See [Sh:465a] -
Abstract:

Various questions posed by P. Nyikos concerning ultrafilters on \omega and chains in the partial order (\omega,< ^*) are answered. The main tool is the oracle chain condition and variations of it. (Note: Corrections in [Sh:465a]) - Version 1993-08-24_10 (20p) published version (15p)

Bib entry

@article{Sh:465, author = {Shelah, Saharon and Stepr{\={a}}ns, Juris}, title = {{Maximal chains in $^\omega\omega$ and ultrapowers of the integers}}, journal = {Arch. Math. Logic}, fjournal = {Archive for Mathematical Logic}, volume = {32}, number = {5}, year = {1993}, pages = {305--319}, issn = {0933-5846}, mrnumber = {1223393}, mrclass = {03E05}, doi = {10.1007/BF01409965}, note = {\href{https://arxiv.org/abs/math/9204205}{arXiv: math/9204205}}, arxiv_number = {math/9204205}, referred_from_entry = {See [Sh:465a]} }