Geodesic
Around splitting and reaping
Commentationes Mathematicae Universitatis Carolinae, Tome 39 (1998) no. 2, pp. 269-279 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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We prove several results on some cardinal invariants of the continuum which are closely related to either the splitting number $\mathfrak s$ or its dual, the reaping number $\mathfrak r$.
We prove several results on some cardinal invariants of the continuum which are closely related to either the splitting number $\mathfrak s$ or its dual, the reaping number $\mathfrak r$.
Classification : 03E05, 03E17, 03E35
Keywords: cardinal invariants of the continuum; splitting number; open splitting number; reaping number; $\sigma$-reaping number; Cicho'n's diagram; Hechler forcing; finite support iteration 
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     author = {Brendle, J\"org},
     title = {Around splitting and reaping},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {269--279},
     year = {1998},
     volume = {39},
     number = {2},
     mrnumber = {1651946},
     zbl = {0939.03048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1998_39_2_a4/}
}
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Brendle, Jörg. Around splitting and reaping. Commentationes Mathematicae Universitatis Carolinae, Tome 39 (1998) no. 2, pp. 269-279. http://geodesic.mathdoc.fr/item/CMUC_1998_39_2_a4/