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Large Cardinals weak Kurepa tree xbox OCA stationary hitting Uniformly homogeneous transformations Rock n' Roll Diamond for trees Successor of Singular Cardinal higher Baire space Lipschitz reduction coloring number Club Guessing Strongly Luzin set free Souslin tree diamond star Chromatic number weak diamond Fodor-type reflection Hindman's Theorem Poset Ulam matrix Nonspecial tree Sakurai's Bell inequality Reflecting stationary set GMA PFA(S)[S] Non-saturation polarized partition relation Minimal Walks Vanishing levels Commutative projection system Uniformly coherent Cohen real Parameterized proxy principle nonmeager set Square-Brackets Partition Relations Strong coloring Kurepa Hypothesis Souslin Tree Rainbow sets Weakly compact cardinal Dowker space Subnormal ideal Coherent tree Knaster Was Ulam right? Well-behaved magma indecomposable ultrafilter club_AD Singular Density Ramsey theory over partitions Knaster and friends middle diamond Microscopic Approach Subtle cardinal C-sequence Strongly compact cardinal Selective Ultrafilter Fast club full tree Countryman line Iterated forcing Commutative cancellative semigroups b-scale Almost-disjoint family Axiom R Erdos-Hajnal graphs Partition Relations Constructible Universe projective Boolean algebra Singular cardinals combinatorics Intersection model Closed coloring Aronszajn tree Luzin set Prikry-type forcing HOD Amenable C-sequence 54G20 square Prevalent singular cardinals very good scale L-space Diamond-sharp Sierpinski's onto mapping principle P-Ideal Dichotomy Almost Souslin S-Space Subadditive strongly bounded groups approachability ideal Diamond Open Access sap SNR ccc Local Club Condensation. O-space Forcing Ostaszewski square Cardinal function unbounded function Erdos Cardinal Generalized descriptive set theory regressive Souslin tree positive partition relation Foundations reflection principles Filter reflection super-Souslin tree Greatly Mahlo incompactness Respecting tree Dushnik-Miller Rado's conjecture Distributive tree Martin's Axiom tensor product graph Antichain Precaliber square principles ZFC construction Successor of Regular Cardinal Universal Sequences Subtle tree property Singular cofinality Hedetniemi's conjecture Slim tree PFA countably metacompact Shelah's Strong Hypothesis Sigma-Prikry Mandelbrot set specializable Souslin tree Ascent Path Generalized Clubs Fat stationary set Postprocessing function Hereditarily Lindelöf space stationary reflection Absoluteness Ineffable cardinal Whitehead Problem Small forcing Forcing Axioms weak square Reduced Power stick Jonsson cardinal AIM forcing Chang's conjecture Uniformization Cardinal Invariants free Boolean algebra Analytic sets Almost countably chromatic
Blog Archives
Proxy principles in combinatorial set theory
Joint work with Ari Meir Brodsky and Shira Yadai. Abstract. The parameterized proxy principles were introduced by Brodsky and Rinot in a 2017 paper as new foundations for the construction of
The vanishing levels of a tree
Joint work with Shira Yadai and Zhixing You. Abstract. We initiate the study of the spectrum of sets that can be realized as the vanishing levels
Full Souslin trees at small cardinals
Joint work with Shira Yadai and Zhixing You. Abstract. A
