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Analytic sets Large Cardinals Was Ulam right? SNR PFA PFA(S)[S] sap OCA reflection principles Fast club O-space Dushnik-Miller 54G20 Erdos Cardinal Aronszajn tree Generalized descriptive set theory positive partition relation S-Space Sakurai's Bell inequality Ascent Path Rock n' Roll Forcing with side conditions Souslin Tree incompactness Successor of Singular Cardinal transformations C-sequence Strongly compact cardinal Hereditarily Lindelöf space Successor of Regular Cardinal Knaster and friends Intersection model full tree Martin's Axiom tensor product graph Sierpinski's onto mapping principle Ulam matrix Strong coloring Knaster polarized partition relation Mandelbrot set stationary hitting Precaliber Erdos-Hajnal graphs Cardinal function Distributive tree Singular cardinals combinatorics perfectly normal Countryman line Diamond for trees Dowker space Ascending path Diamond square Filter reflection Iterated forcing Singular Density middle diamond Chang's conjecture Local Club Condensation. Antichain Forcing Axioms Respecting tree diamond star very good scale Partition Relations Kurepa Hypothesis ZFC construction indecomposable filter Reflecting stationary set Well-behaved magma Generalized Clubs Foundations Selective Ultrafilter Closed coloring Slim tree Rainbow sets stationary reflection Nonspecial tree Jonsson cardinal Ostaszewski square Cardinal Invariants specializable Souslin tree Greatly Mahlo regressive Souslin tree Whitehead Problem Luzin set Club Guessing Fodor-type reflection weak square Subtle cardinal Singular cofinality stick Coherent tree coloring number GMA Shelah's Strong Hypothesis Prevalent singular cardinals Lipschitz reduction Almost-disjoint family Universal Sequences Chromatic number higher Baire space Subtle tree property HOD Sigma-Prikry L-space Absoluteness Amenable C-sequence Uniformly homogeneous Diamond-sharp unbounded function Non-saturation Fat stationary set Ramsey theory over partitions Subadditive Subnormal ideal Weakly compact cardinal countably metacompact weak Kurepa tree Vanishing levels free Souslin tree Strongly Luzin set Minimal Walks Interval topology on trees free Boolean algebra Monotonically far projective Boolean algebra Uniformly coherent Forcing Axiom R Postprocessing function Parameterized proxy principle Small forcing strongly bounded groups Constructible Universe Open Access Rado's conjecture xbox Hedetniemi's conjecture club_AD AIM forcing Entangled linear order square principles Hindman's Theorem weak diamond Square-Brackets Partition Relations Almost Souslin nonmeager set Reduced Power super-Souslin tree Commutative projection system b-scale P-Ideal Dichotomy Microscopic Approach Commutative cancellative semigroups ccc Ineffable cardinal Poset approachability ideal Uniformization Prikry-type forcing Almost countably chromatic Cohen real
Tag Archives: 54H05
Fake Reflection
Joint work with Gabriel Fernandes and Miguel Moreno. Abstract. We introduce a generalization of stationary set reflection which we call filter reflection, and show it is compatible with the axiom of constructibility as well as with strong forcing axioms. We … Continue reading