arXiv Open Access 2012

Rapid ultrafilters and summable ideals

Jana Flašková

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Abstrak

This note answers the following question: Is it consistent that for an arbitrary tall summable ideal I_g there exists an I_g-ultrafilter which is not rapid? We show that assuming Martin's Axiom for σ-centered posets such ultrafilters exist for each tall summable ideal I_g.

Topik & Kata Kunci

math.LO

Penulis (1)

Jana Flašková

Format Sitasi

APA MLA BibTeX

Flašková, J. (2012). Rapid ultrafilters and summable ideals. https://arxiv.org/abs/1208.3690

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Informasi Jurnal

Tahun Terbit: 2012
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓