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Postprocessing function Constructible Universe OCA Cardinal Invariants regressive Souslin tree Distributive tree Strongly Luzin set weak Kurepa tree Amenable C-sequence 54G20 Martin's Axiom Fast club ccc Subtle cardinal Cardinal function Subtle tree property Local Club Condensation. Whitehead Problem Absoluteness middle diamond unbounded function AIM forcing Diamond diamond star C-sequence Sakurai's Bell inequality Slim tree Strong coloring club_AD polarized partition relation Countryman line Ineffable cardinal Dushnik-Miller transformations Partition Relations Rado's conjecture Hereditarily Lindelöf space Forcing Axioms Dowker space free Souslin tree Singular cofinality Intersection model Ramsey theory over partitions Commutative projection system very good scale Shelah's Strong Hypothesis Subnormal ideal Lipschitz reduction Uniformly coherent specializable Souslin tree Generalized Clubs L-space Generalized descriptive set theory Axiom R Sierpinski's onto mapping principle SNR Iterated forcing Jonsson cardinal Uniformly homogeneous Luzin set Souslin Tree Chromatic number Fat stationary set Forcing Open Access Successor of Regular Cardinal reflection principles Almost countably chromatic Greatly Mahlo tensor product graph Ostaszewski square PFA(S)[S] Diamond-sharp Fodor-type reflection b-scale Hindman's Theorem Kurepa Hypothesis Universal Sequences stick Rock n' Roll Singular cardinals combinatorics O-space Small forcing Erdos Cardinal Foundations weak diamond Ulam matrix Selective Ultrafilter Prikry-type forcing Subadditive Mandelbrot set Uniformization Aronszajn tree Coherent tree Almost Souslin Antichain Diamond for trees Cohen real approachability ideal indecomposable filter stationary hitting positive partition relation Filter reflection Strongly compact cardinal square principles Hedetniemi's conjecture Nonspecial tree Commutative cancellative semigroups P-Ideal Dichotomy strongly bounded groups Minimal Walks HOD Closed coloring projective Boolean algebra sap Respecting tree Knaster and friends countably metacompact full tree xbox Large Cardinals Poset Was Ulam right? Club Guessing higher Baire space Microscopic Approach Successor of Singular Cardinal S-Space Non-saturation PFA Chang's conjecture Ascent Path Erdos-Hajnal graphs stationary reflection Parameterized proxy principle Almost-disjoint family Sigma-Prikry square ZFC construction Vanishing levels Well-behaved magma Reduced Power Weakly compact cardinal Prevalent singular cardinals incompactness Reflecting stationary set Analytic sets Knaster free Boolean algebra GMA coloring number weak square Precaliber nonmeager set Singular Density super-Souslin tree Square-Brackets Partition Relations Rainbow sets
Category Archives: Invited Talks
4th Arctic Set Theory Workshop, January 2019
I gave an invited talk at the Arctic Set Theory Workshop 4 in Kilpisjärvi, January 2019. Talk Title: Splitting a stationary set: Is there another way? Abstract: Motivated by a problem in pcf theory, we seek for a new way … Continue reading
Posted in Invited Talks
Tagged Club Guessing, Reflecting stationary set, Ulam matrix, very good scale
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11th Young Set Theory Workshop, June 2018
I gave a 4-lecture tutorial at the 11th Young Set Theory Workshop, Lausanne, June 2018. Title: In praise of C-sequences. Abstract. Ulam and Solovay showed that any stationary set may be split into two. Is it also the case that … Continue reading
Posted in Invited Talks
Tagged Aronszajn tree, C-sequence, incompactness, Knaster, Minimal Walks, Postprocessing function, square
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The 14th International Workshop on Set Theory in Luminy, October 2017
I gave an invited talk at the 14th International Workshop on Set Theory in Luminy in Marseille, October 2017. Talk Title: Distributive Aronszajn trees Abstract: It is well-known that that the statement “all
6th European Set Theory Conference, July 2017
I gave a 3-lecture tutorial at the 6th European Set Theory Conference in Budapest, July 2017. Title: Strong colorings and their applications. Abstract. Consider the following questions. Is the product of two
Posted in Invited Talks, Open Problems
Tagged b-scale, Cohen real, Luzin set, Minimal Walks, Souslin Tree, Square-Brackets Partition Relations
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ASL North American Meeting, March 2017
I gave a plenary talk at the 2017 ASL North American Meeting in Boise, March 2017. Talk Title: The current state of the Souslin problem. Abstract: Recall that the real line is that unique separable, dense linear ordering with no endpoints in … Continue reading
MFO workshop in Set Theory, February 2017
I gave an invited talk at the Set Theory workshop in Obwerwolfach, February 2017. Talk Title: Coloring vs. Chromatic. Abstract: In a joint work with Chris Lambie-Hanson, we study the interaction between compactness for the chromatic number (of graphs) and … Continue reading
Posted in Invited Talks
Tagged Chromatic number, coloring number, incompactness, stationary reflection
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Set Theory and its Applications in Topology, September 2016
I gave an invited talk at the Set Theory and its Applications in Topology meeting, Oaxaca, September 11-16, 2016. The talk was on the
P.O.I. Workshop in pure and descriptive set theory, September 2015
I gave an invited talk at the P.O.I Workshop in pure and descriptive set theory, Torino, September 26, 2015. Title:
The Apter-Gitik birthday conference, May 2015
I give an invited (blackboard) talk at the Apter-Gitik birthday conference, Carnegie Mellon University, May 30-31 2015. Title: Putting a diamond inside the square. Abstract: By a 35-year-old theorem of Shelah,
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Forcing and its Applications Retrospective Workshop, April 2015
I gave an invited talk at Forcing and its Applications Retrospective Workshop, Toronto, April 1st, 2015. Title: A microscopic approach to Souslin trees constructions Abstract: We present an approach to construct
Posted in Invited Talks
Tagged Microscopic Approach, Parameterized proxy principle, Souslin Tree
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