OCA and towers in 𝒫 ( ) / f i n

Ilijas Farah

Commentationes Mathematicae Universitatis Carolinae (1996)

  • Volume: 37, Issue: 4, page 861-866
  • ISSN: 0010-2628

Abstract

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We shall show that Open Coloring Axiom has different influence on the algebra 𝒫 ( ) / f i n than on / f i n . The tool used to accomplish this is forcing with a Suslin tree.

How to cite

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Farah, Ilijas. "OCA and towers in $\mathcal {P}(\mathbb {N})/fin$." Commentationes Mathematicae Universitatis Carolinae 37.4 (1996): 861-866. <http://eudml.org/doc/247897>.

@article{Farah1996,
abstract = {We shall show that Open Coloring Axiom has different influence on the algebra $\mathcal \{P\}(\mathbb \{N\})/fin$ than on $\mathbb \{N\}^\mathbb \{N\}/fin$. The tool used to accomplish this is forcing with a Suslin tree.},
author = {Farah, Ilijas},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {Open Coloring Axiom; dense sets of reals; towers; forcing; Suslin trees; open coloring axiom; dense sets of reals; towers; forcing; Suslin trees; Martin's axiom},
language = {eng},
number = {4},
pages = {861-866},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {OCA and towers in $\mathcal \{P\}(\mathbb \{N\})/fin$},
url = {http://eudml.org/doc/247897},
volume = {37},
year = {1996},
}

TY - JOUR
AU - Farah, Ilijas
TI - OCA and towers in $\mathcal {P}(\mathbb {N})/fin$
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 1996
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 37
IS - 4
SP - 861
EP - 866
AB - We shall show that Open Coloring Axiom has different influence on the algebra $\mathcal {P}(\mathbb {N})/fin$ than on $\mathbb {N}^\mathbb {N}/fin$. The tool used to accomplish this is forcing with a Suslin tree.
LA - eng
KW - Open Coloring Axiom; dense sets of reals; towers; forcing; Suslin trees; open coloring axiom; dense sets of reals; towers; forcing; Suslin trees; Martin's axiom
UR - http://eudml.org/doc/247897
ER -

References

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  1. Abraham U., Rubin M., Shelah S., On the consistency of some partition theorems for continuous colorings, and the structure of 1 -dense real order types, Ann. of Pure and Appl. Logic 29 (1985), 123-206. (1985) MR0801036
  2. Baumgartner J., All 1 -dense sets of reals can be isomorphic, Fundamenta Mathematicae 79 (1973), 100-106. (1973) Zbl0274.02037MR0317934
  3. Devlin K., Johnsbråten H., The Souslin Problem, Springer Lecture Notes in Mathematics, # 405 (1974). (1974) MR0384542
  4. Dordal P.L., Towers in [ ø m e g a ] ø m e g a and ø m e g a ø m e g a , Ann. of Pure and Appl. Logic 247-277 (1989), 45.3. (1989) MR1032832
  5. Fremlin D., Consequences of Martin's Axiom, Cambridge University Press (1984). (1984) Zbl0551.03033
  6. Gruenhage G., Cosmicity of cometrizable spaces, Trans. AMS 313 (1989), 301-315. (1989) Zbl0667.54012MR0992600
  7. Todorčević S., Partition Problems in Topology, AMS Providence, Rhode Island (1989). (1989) MR0980949
  8. Todorčević S., Oscillations of sets of integers, to appear. MR1601383
  9. Veličković B., OCA and automorphisms of 𝒫 ( ø m e g a ) / f i n , Topology Appl. 49 (1993), 1-13. (1993) MR1202874
  10. Weese M., personal communication, . 

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