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higher Baire space Forcing Axioms Open Access club_AD regressive Souslin tree incompactness Ulam matrix Ostaszewski square Poset Amenable C-sequence Club Guessing Ineffable cardinal SNR Subtle cardinal Intersection model Generalized Clubs stationary hitting Chang's conjecture Vanishing levels Reflecting stationary set free Boolean algebra Hindman's Theorem Ascent Path Hereditarily Lindelöf space xbox Almost-disjoint family middle diamond Luzin set Successor of Regular Cardinal sap Coherent tree L-space Knaster and friends Absoluteness O-space Subtle tree property Filter reflection strongly bounded groups countably metacompact Postprocessing function Diamond for trees PFA(S)[S] Prikry-type forcing weak diamond Erdos Cardinal Diamond Respecting tree Fodor-type reflection AIM forcing Nonspecial tree Analytic sets S-Space Diamond-sharp Strongly compact cardinal Square-Brackets Partition Relations Distributive tree Reduced Power Erdos-Hajnal graphs Uniformization Singular cardinals combinatorics projective Boolean algebra Dowker space Hedetniemi's conjecture unbounded function free Souslin tree Sierpinski's onto mapping principle weak Kurepa tree Subadditive GMA P-Ideal Dichotomy tensor product graph stationary reflection Constructible Universe Slim tree Almost Souslin Rado's conjecture Commutative projection system Forcing Uniformly coherent Sakurai's Bell inequality Martin's Axiom PFA Successor of Singular Cardinal Countryman line Whitehead Problem Partition Relations OCA square Cardinal Invariants diamond star Rainbow sets Strongly Luzin set Local Club Condensation. HOD Small forcing Generalized descriptive set theory positive partition relation b-scale Minimal Walks Closed coloring Prevalent singular cardinals Strong coloring Souslin Tree Kurepa Hypothesis 54G20 Singular Density reflection principles Antichain Iterated forcing Microscopic Approach very good scale full tree Rock n' Roll nonmeager set Was Ulam right? specializable Souslin tree Axiom R Knaster Fat stationary set square principles Parameterized proxy principle Sigma-Prikry Cardinal function ccc super-Souslin tree stick Lipschitz reduction coloring number weak square Shelah's Strong Hypothesis Selective Ultrafilter transformations Fast club Aronszajn tree Commutative cancellative semigroups Dushnik-Miller indecomposable ultrafilter Chromatic number Jonsson cardinal approachability ideal Almost countably chromatic Uniformly homogeneous C-sequence polarized partition relation Well-behaved magma Universal Sequences Singular cofinality Greatly Mahlo Foundations Large Cardinals Precaliber Weakly compact cardinal Non-saturation Subnormal ideal ZFC construction Cohen real Ramsey theory over partitions Mandelbrot set
Tag Archives: Dowker space
A new small Dowker space
Joint work with Roy Shalev and Stevo Todorcevic. Abstract. It is proved that if there exists a Luzin set, or if either the stick principle or
MFO workshop in Set Theory, January 2022
I gave an invited talk at the Set Theory meeting in Obwerwolfach, January 2022. Talk Title: A dual of Juhasz’ question Abstract: Juhasz asked whether
Posted in Invited Talks
Tagged club_AD, Dowker space
Comments Off on MFO workshop in Set Theory, January 2022
A guessing principle from a Souslin tree, with applications to topology
Joint work with Roy Shalev. Abstract. We introduce a new combinatorial principle which we call
Posted in Publications, Souslin Hypothesis, Topology
Tagged club_AD, Dowker space, O-space, regressive Souslin tree, S-Space, Souslin Tree, Vanishing levels
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