**Publications:**

- A cofinality-preserving small forcing may introduce a special Aronszajn tree
- A relative of the approachability ideal, diamond and non-saturation
- A topological reflection principle equivalent to Shelah’s strong hypothesis
- Antichains in partially ordered sets of singular cofinality
- Chromatic numbers of graphs – large gaps
- Hedetniemi’s conjecture for uncountable graphs
- Jensen’s diamond principle and its relatives
- On guessing generalized clubs at the successors of regulars
- On the consistency strength of the Milner-Sauer conjecture
- On topological spaces of singular density and minimal weight
- Openly generated Boolean algebras and the Fodor-type reflection principle
- Rectangular square-bracket operation for successor of regular cardinals
- The failure of diamond on a reflecting stationary set
- The Ostaszewski square, and homogeneous Souslin trees
- The search for diamonds
- Transforming rectangles into squares, with applications to strong colorings

**Preprints:**

- Chromatic numbers of graphs – large gaps
- Complicated Colorings
- Hedetniemi’s conjecture for uncountable graphs

**Selected talks:**

- INFTY Final Conference, March 2014
- 2014 Workshop in Set Theory, Oberwolfach
- Mathematics Colloquium, Bar-Ilan University, November 2013
- 2013 Set Theory Programme on Large Cardinals and Forcing
- Infinite Combinatorics Seminar, Haifa University, June, 2012
- 2012 North American Annual Meeting of the ASL
- 2011 CMS Winter Meeting
- Young Researchers in Set Theory 2011
- The 11th International Workshop on Set Theory in Luminy
- Logic Colloquium 2010
- Logic Colloquium 2009
- ESI Workshop on Large Cardinals and Descriptive Set Theory
- 18th Boise Extravaganza in Set Theory
- Singular Cardinal Combinatorics and Inner Model Theory
- Workshop on Set Theory and its Applications
- 2006 Annual conference of the IMU
- Logic in Hungary 2005

**Notes:**