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)

@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]}
}