Dilip Raghavan is an assistant professor of Mathematics at the National University of Singapore .

He received his Ph.D. from University of Wisconsin-Madison, under Kunen and Kastermans, 2008. For his dissertation he was awarded with the Sacks prize.

His research interests includes Set theory, and general topology.

Personal website


Recent and upcoming talks by Dilip Raghavan

Dilip Raghavan: A long chain of P-points

Place: Fields Institute (Room 210) Date: December 9, 2016 (13:30-15:00) Speaker: Dilip Raghavan Title: A long chain of P-points Abstract: We show under MA that there is a chain of P-points of length ${\mathfrak{c}}^{+}$ under the Rudin-Keisler order. continue reading…

6th European Set Theory Conference, Budapest, July 3-7, 2017

The 6th European Set Theory Conference (6ESTC) of the European Set Theory Society will be organized in Budapest, at the Alfréd Rényi Institute of Mathematics of the Hungarian Academy of Sciences, next year, July 3 – 7, 2017. continue reading…

Dilip Raghavan: Cardinal invariants above the continuum

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 28 September 2016, 17:00 hrs Room: S17#04-05, Department of Mathematics, NUS Speaker: Dilip Raghavan. Title: Cardinal invariants above the continuum. continue reading…

Set Theory and its Applications in Topology, September 11-16, 2016

The meeting took place in Oaxaca, Mexico. The slides may be found below. 08:45 – 09:00 Introduction and Welcome (Conference Room San Felipe) 09:00 – 10:00 Alan Dow: The even numbered problems (Conference Room San Felipe) 10:00 – 10:30 Rodrigo Jesus Hernandez Gutierrez: Spaces discretely generated at infinity (Conference Room San Felipe) 10:30 – 11:00 Coffee Break (Conference Room San Felipe) 11:00 – 11:30 Isván Juhász: Lindelöf spaces of countable pseudocharacter (Conference Room San Felipe) 11:30 – 12:00 Juris Steprans: PID and universal graphs (Conference Room San Felipe) 13:20 – 13:30 Group Photo (Hotel Hacienda Los Laureles) 13:30 – 15:00 Lunch (Restaurant Hotel Hacienda Los Laureles) 15:00 – 16:00 Itay Neeman: Forcing one instance of the Moore-Todorcevic principle (Conference Room San Felipe) 16:00 – 16:30 Coffee Break (Conference Room San Felipe) 16:30 – 17:00 James Cummings: Dowker and super-Dowker filters (Conference Room San Felipe) 17:00 – 17:30 Assaf Rinot: The $\omega_2$-Souslin problem (Conference Room San Felipe) 19:00 – 21:00 Dinner (Restaurant Hotel Hacienda Los Laureles) Tuesday, September 13 07:30 – 09:00 Breakfast (Restaurant at your assigned hotel) 09:00 – 10:00 Christina Brech: Bases of Homogeneous families bellow the first Mahlo cardinal (Conference Room San Felipe) 10:30 – 11:00 Coffee Break (Conference Room San Felipe) 11:00 – 11:30 Piotr Koszmider: A non-commutative Mrówka’s $\Psi$-space (Conference Room San Felipe) 11:30 – 12:00 Asger Tornquist: Invariant descriptive set theory and almost disjointness modulo an ideal (Conference Room San Felipe) 13:30 – 15:00 Lunch (Restaurant Hotel Hacienda Los Laureles) 15:00 – 16:00 Alexander Shibakov: Sequential groups: large and small (Conference Room San Felipe) 16:00 – 16:30 Coffee Break (Conference Room San Felipe) 16:30 – 17:00 Jindrich Zapletal: Strong measure zero sets in Polish groups (Conference Room San Felipe) 17:00 – 17:30 Marcin Sabok: On hyperfiniteness of boundary actions of hyperbolic groups (Conference Room San Felipe) 19:00 – 21:00 Dinner (Restaurant Hotel Hacienda Los Laureles) Wednesday, September 14 07:30 – 09:00 Breakfast (Restaurant at your assigned hotel) 09:00 – 09:30 Joerg Brendle: Q (Conference Room San Felipe) 09:30 – 10:00 Dilip Raghavan: More on the density zero ideal (Conference Room San Felipe) 10:00 – 10:30 Osvaldo Guzmán: Combinatorial properties of MAD families (Conference Room San Felipe) 10:30 – 11:00 Coffee Break (Conference Room San Felipe) 11:00 – 11:30 Victor Torres-Perez: Constructions with oppositions: Cardinal invariants and games (Conference Room San Felipe) 11:30 – 12:00 David Fernández Bretón: Strong failures of higher analogs of Hindman’s theorem (Conference Room San Felipe) 12:00 – 12:30 Natasha Dobrinen: Topological Ramsey spaces in some creature forcings (Conference Room San Felipe) 12:30 – 13:30 Lunch (Restaurant Hotel Hacienda Los Laureles) 13:30 – 17:30 Free Afternoon (Oaxaca) 19:00 – 21:00 Dinner (Restaurant Hotel Hacienda Los Laureles) Thursday, September 15 07:30 – 09:00 Breakfast (Restaurant at your assigned hotel) 09:00 – 10:00 Slawomir Solecki: Monoid actions on left-topological compact semigroups (Conference Room San Felipe) 10:30 – 11:00 Coffee Break (Conference Room San Felipe) 11:00 – 11:30 Aleksandra Kwiatkowska: The Ramsey degree of the pre-pseudoarc (Conference Room San Felipe) 11:30 – 12:00 Dana Bartosova: Ultrafilter combinatorics in topological dynamics (Conference Room San Felipe) 13:30 – 15:00 Lunch (Restaurant Hotel Hacienda Los Laureles) 15:00 – 16:00 Jan van Mill: Erdős spaces (Conference Room San Felipe) 16:00 – 16:30 Coffee Break (Conference Room San Felipe) 16:30 – 17:00 Anush Tserunyan: Topological dimension and Baire category (Conference Room San Felipe) 17:00 – 17:30 Yinhe Peng: Weak network and the basis problem (Conference Room San Felipe) 19:00 – 21:00 Dinner (Restaurant Hotel Hacienda Los Laureles) Friday, September 16 07:30 – 09:00 Breakfast (Restaurant at your assigned hotel) 09:00 – 09:30 Jeffrey Bergfalk: Walks… (Conference Room San Felipe) 09:30 – 10:00 Iian Smythe: A local Ramsey theory for block sequences (Conference Room San Felipe) 10:00 – 10:30 Noé de Rancourt: Ramsey theory with and without the pigeonhole principle (Conference Room San Felipe) 10:30 – 11:00 Coffee Break (Conference Room San Felipe) 11:00 – 11:30 Claribet Piña: Topological partition relations for $\omega^2$ (Conference Room San Felipe) 11:30 – 12:00 Carlos Uzcategui: Bases and selectors for cofinal families of countable sets (Conference Room San Felipe) 12:00 – 12:30 Carlos Di Prisco: Graphs on the Cantor set (Conference Room San Felipe) 12:30 – 14:30 Lunch (Restaurant Hotel Hacienda Los Laureles)   continue reading…

Dilip Raghavan: Cardinal invariants above the continuum

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 20 January 2016, 17:00 hrs Room: S17#05-11, Department of Mathematics, NUS Speaker: Dilip Raghavan Title: Cardinal invariants above the continuum URL: http://www.comp.nus.edu.sg/~fstephan/logicseminar.html Abstract: I will give an overview of cardinal invariants at regular uncountable cardinals. continue reading…

Dilip Raghavan: Some results in the partition calculus

Place: Fields Institute (Room 210) Date: January 8th, 2016 (13:30-15:00) Speaker: Dilip Raghavan Title: Some results in the partition calculus Abstract:  I will report on my recent joint work with Stevo Todorcevic on partition relations. continue reading…

Dilip Raghavan: Real games and strategically selective coideals, Part 2.

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 7 October 2015, 17:00 hrs Room: S17#04-06, Department of Mathematics, NUS Speaker: Dilip Raghavan Title: Real games and strategically selective coideals, Part 2. continue reading…

Dilip Raghavan: Real games and strategically selective coideals

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 16 September 2015, 17:00 hrs Room: S17#04-06, Department of Mathematics, NUS Speaker: Dilip Raghavan Title: Real games and strategically selective coideals URL: http://www.comp.nus.edu.sg/~fstephan/logicseminar.html Joint Work with Paul Larson Abstract: A classical theorem of Mathias says that the Axiom of Determinacy for Real games (AD_R) implies that there are no tall selective coideals on omega. continue reading…

BLAST Conference at UNT June 8–12, 2015

BLAST2015@UNT Conference – ANNOUNCEMENT 1. http://math.unt.edu/BLAST2015@UNT DATE: June 8 – 12, 2015 WHERE: University of North Texas in Denton, TX BLAST (Boolean Algebras, Lattices, Algebraic & Quantum Logic, Universal Algebra, Set Theory, and Set-theoretic & Point-free Topology) is an annual conference sponsored by the National Science Foundation that has been running since 2008. continue reading…

Dilip Raghavan: A bound for the weak covering number of the density 0 ideal

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 11 March 2015, 17:00 hrs Room: S17#05-11, Department of Mathematics, NUS Speaker: Dilip Raghavan Title: A bound for the weak covering number of the density 0 ideal. continue reading…