Archives
Keywords
Minimal Walks very good scale Almost Souslin weak Kurepa tree S-Space Subadditive free Souslin tree Kurepa Hypothesis Well-behaved magma Diamond Distributive tree Ascent Path Was Ulam right Intersection model indecomposable ultrafilter Large Cardinals middle diamond Jonsson cardinal Constructible Universe O-space tensor product graph Luzin set Diamond for trees Cardinal function full tree Rado's conjecture Open Access Countryman line Parameterized proxy principle Martin's Axiom Small forcing PFA(S)[S] positive partition relation Singular Density Aronszajn tree Erdos-Hajnal graphs Commutative projection system C-sequence weak diamond square principles Ineffable cardinal Knaster Axiom R Forcing Axioms Nonspecial tree Subnormal ideal Knaster and friends stick Uniformization PFA Sigma-Prikry transformations free Boolean algebra Universal Sequences Fast club Rainbow sets Subtle tree property Filter reflection strongly bounded groups incompactness Successor of Singular Cardinal diamond star Poset regressive Souslin tree Uniformly homogeneous Vanishing levels Slim tree Local Club Condensation. Cohen real nonmeager set Absoluteness Reflecting stationary set club_AD Selective Ultrafilter Microscopic Approach Prikry-type forcing projective Boolean algebra Chang's conjecture HOD Weakly compact cardinal Dushnik-Miller Rock n' Roll approachability ideal Sakurai's Bell inequality specializable Souslin tree Greatly Mahlo Subtle cardinal 54G20 Souslin Tree square Coherent tree Closed coloring stationary reflection Diamond-sharp Uniformly coherent Foundations Generalized Clubs Partition Relations Dowker space Antichain Whitehead Problem GMA ccc Analytic sets Chromatic number Cardinal Invariants higher Baire space xbox Hindman's Theorem Commutative cancellative semigroups Mandelbrot set Successor of Regular Cardinal Generalized descriptive set theory Strongly Luzin set Club Guessing Ostaszewski square Singular cofinality Strongly compact cardinal SNR Shelah's Strong Hypothesis coloring number Erdos Cardinal polarized partition relation P-Ideal Dichotomy Iterated forcing AIM forcing Lipschitz reduction Respecting tree Hereditarily Lindelöf space Singular cardinals combinatorics sap Prevalent singular cardinals stationary hitting Forcing Hedetniemi's conjecture b-scale countably metacompact Sierpinski's onto mapping principle weak square Reduced Power Precaliber Ulam matrix Non-saturation Square-Brackets Partition Relations Almost countably chromatic Ramsey theory over partitions L-space unbounded function super-Souslin tree Almost-disjoint family Fat stationary set Strong coloring Postprocessing function OCA Amenable C-sequence ZFC construction Fodor-type reflection reflection principles
Category Archives: Notes
Shelah’s solution to Whitehead’s problem
Whitehead problem notes in hebrew : Table of contents Chapter 0 Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 References
Infinite Combinatorial Topology
Back in 2005, as a master student, I attended a course by Boaz Tsaban, entitled “Infinite Combinatorial Topology”. A friend and I decided to produce lecture notes, but in a somewhat loose sense, that is: we sometimes omit material given … Continue reading
Posted in Notes
Tagged b-scale, Cardinal function, Cardinal Invariants, Hereditarily Lindelöf space
8 Comments