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Formula for a variation of Pascal´s Triangle

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#combinatorics #binomial-coefficients #infinitary-combinatorics
227
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($\lozenge$) There exists Suslin trees such that their product is Suslin too.

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#set-theory #infinitary-combinatorics
82
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Is it possible to write this subset as a certain union of disjoint lines?

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#set-theory #infinitary-combinatorics
362
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Infinite root systems

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#abstract-algebra #group-theory #lie-groups #lie-algebras #infinitary-combinatorics
173
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If $\kappa$ is regular, is $\prod^{\text{fin}}_{\alpha<\kappa}\operatorname{Fn}(\omega,\alpha)$ $\kappa$-cc?

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#set-theory #infinitary-combinatorics
257
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Uncountable random graphs

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#probability #graph-theory #infinitary-combinatorics
261
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Is there a "model theoretical" proof of Solovay's Stationary Splitting Theorem?

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#set-theory #infinitary-combinatorics
132
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Is there more simple way to get a doughnut property?

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#set-theory #infinitary-combinatorics
66
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Consistent choice from an infinite tree of finite sets.

Published on
#general-topology #infinitary-combinatorics
321
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Prove the existence of some weird family of sets

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#elementary-set-theory #infinitary-combinatorics
119
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Assuming CH, can every tower be extended to a selective ultrafilter (or even a p-point)?

Published on
#set-theory #filters #infinitary-combinatorics
168
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Does every diagonal intersection contain $0$?

Published on
#notation #set-theory #infinitary-combinatorics
242
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The Diamond Principle plus implies a Kurepa family.

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#set-theory #infinitary-combinatorics
78
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Is the dominating number $\frak d$ regular?

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#logic #set-theory #infinitary-combinatorics
767
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Set Theory: Tree Property

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#set-theory #cardinals #trees #infinitary-combinatorics

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