Post-Doctoral Research Fellow,
School of Mathematics, Institute for Research in Fundamental Sciences (IPM).
The effects of adding a real to models of set theory.
1- Shelah's strong covering property and CH in V[r], with E. Eslami, Math. Log. Q. 58 (2012), no. 3, 153–158.
2- Independence of higher Kurepa hypotheses, with Sy D. Friedman, Arch. Math. Logic 51 (2012), no. 5-6, 621–633.
3- Almost Souslin Kurepa trees, Proc. Amer. Math. Soc. 141 (2013), no. 5, 1821-1826.
4- Killing the GCH everywhere with a single real, with Sy D. Friedman, J. Symbolic Logic 78 (2013), no 3, 803-823.
5- Killing GCH everywhere by a cofinality-preserving forcing notion over a model of GCH, with Sy D. Friedman, Fund. Math. 223 (2013), no 2, 171-193.
6- The foundation axiom and elementary self-embeddings of the universe, with A. S. Daghighi, J. D. Hamkins, and E. Jeřábek, in: Infinity, Computability, and Metamathematics: Festschrift celebrating the 60th birthdays of Peter Koepke and Philip Welch (S. Geschke, B. Löwe, and P. Schlicht, eds.), College Publications, London, 2014, pp. 89–112.
7- More on almost Souslin Kurepa trees, Proc. Amer. Math. Soc. 142 (2014), no 10, 3631-3634.
8- Adding a lot of Cohen reals by adding a few I, with M. Gitik, Trans. Amer. Math. Soc. 367 (2015), no. 1, 209-229.
9- Adding a lot of Cohen reals by adding a few II, with M. Gitik, Fund. Math. 231 (2015), 209-224.
10- Collapsing the cardinals of HOD, with J. Cummings and Sy D. Friedman, J. Math. logic.15 (2015), no. 2, 1550007, 32 pp.
11- On Foreman's maximality principle, with Y. Hayut, J. Symbolic Logic. 81 (2016), no 4, 1344-1356.
12- On cuts in ultraproducts of linear orders I, with S. Shelah, J. Math. Log. 16 (2016), no. 2, 1650008, 34 pp.
13- A Groszek-Laver pair of undistinguishable E0 classes, with V. Kanovei and V. Lyubetsky, accepted for Math. Log. Q.
14- HOD, V and the GCH, accepted for J. Symbolic Logic.
15- An Easton like theorem in the presence of Shelah cardinals, accepted for Arch. Math. Logic.
16- Tree property at successor of a singular limit of measurable cardinals, accepted for Arch. Math. Logic.
17- On a question of Silver about gap-two cardinal transfer principles, with Sh. Mohsenipour, accepted for Arch. Math. Logic.
18- The tree property on a countable segment of successors of singular cardinals, with Y. Hayut, accepted for Fund. Math.
19- On cuts in ultraproducts of linear orders II, with S. Shelah, submitted.
20- On a question of Hamkins and Löwe on the modal logic of collapse forcing, with W. Mitchell, submitted.
21- Definable tree property can hold at all uncountable regular cardinals, submitted.
22- Special Aronszajn tree property, with Y. Hayut, submitted.
23- (Weak) diamond can fail at the least inaccessible cardinal, submitted.
24- Tree property at double successor of singular cardinals of uncountable cofinality, with R. Mohammadpour, submitted.
25- Adding a lot of random reals by adding a few, with M. Gitik, preprint.
26- On the notions of cut, dimension and transcendence degree for models of ZFC, submitted.
27- Tree property at all regular even cardinals, priprint.
Papers in preparation
1- Specializing trees and answer to a question of Williams, with S. Shelah.
2- On Csn(κ) and the Juhasz-Kunen question, with S. Shelah.
1- Woodin's surgery method.
2- An introduction to forcing.
3- Singular cofinality conjecture and a question of Gorelic.
4- On a question of Zadrozny.
5- Power set at \aleph_\omega: On a theorem of Woodin.
6- All uncountable regular cardinals can be inaccessible in HOD.
7- Notes on countably generated complete Boolean algebras.
8- Adding many random reals may add many Cohen reals.
1- Rahman Mohammadpour, MSc: ``The Modal Logic of Forcing and Hamkins' Maximality Principle'' (in Farsi), 2015.