Geodesic
OCA and towers in $\Cal P(\Bbb N)/fin$
Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) no. 4, pp. 861-866

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

We shall show that Open Coloring Axiom has different influence on the algebra $\Cal P(\Bbb N)/fin$ than on $\Bbb N^\Bbb N/fin$. The tool used to accomplish this is forcing with a Suslin tree.
Classification : 03E05, 03E35, 03E50, 04A20, 06A05
Keywords: Open Coloring Axiom; dense sets of reals; towers; forcing; Suslin trees 
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     author = {Farah, Ilijas},
     title = {OCA and towers in $\Cal P(\Bbb N)/fin$},
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     zbl = {0887.03037},
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     url = {http://geodesic.mathdoc.fr/item/CMUC_1996__37_4_a17/}
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Farah, Ilijas. OCA and towers in $\Cal P(\Bbb N)/fin$. Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) no. 4, pp. 861-866. http://geodesic.mathdoc.fr/item/CMUC_1996__37_4_a17/