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Rectangular square-bracket operation for successor of regular cardinals

Tom 220 / 2013

Assaf Rinot, Stevo Todorcevic Fundamenta Mathematicae 220 (2013), 119-128 MSC: Primary 03E02; Secondary 03E05. DOI: 10.4064/fm220-2-2

Streszczenie

We give a uniform proof that $\lambda ^+\nrightarrow [\lambda ^+;\lambda ^+]^2_{\lambda ^+}$ holds for every regular cardinal $\lambda $.

Autorzy

Assaf RinotThe Fields Institute
for Research in Mathematical Sciences
222 College Street
Toronto, Ontario M5T 3J1, Canada
and
Department of Mathematics
University of Toronto
40 St. George Street
Toronto, Ontario, M5S 2E4, Canada
e-mail
Stevo TodorcevicDepartment of Mathematics
University of Toronto
40 St. George Street
Toronto, Ontario, M5S 2E4, Canada
and
Institut de Mathématiques de Jussieu
CNRS-UMR 7586
2 place Jussieu, Case 7012
72521 Paris Cedex 05, France
e-mail

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