(Delhi Centre)

7 S. J. S. Sansanwal Marg, New Delhi 110016

Antar Bandyopadhyay

Head, Delhi Centre: May 01, 2023 - present

Theoretical Statistics and Mathematics Unit

(Professor-in-Charge, Theoretical Statistics and Mathematics Division: September 18, 2020 - September 17, 2022)

Office Address : Theoretical Statistics and Mathematics Unit
Indian Statistical Institute, New Delhi Centre
7 S. J. S. Sansanwal Marg
New Delhi 110016
Office Room : 208 Faculty Building
Phone : +91 11 4149 3932 (Personal Office)
+91 11 4149 3915 (Head, DC's Office)
Fax : +91 11 4149 3981
E-Mail : antar (at) isid (dot) ac (dot) in

I am currently working as a Professor at the Theoretical Statistics and Mathematics Division of the Indian Statistical Institute (ISI). I primarily stay in the Theoretical Statistics and Mathematics Unit at the New Delhi Centre of the institute, but I also spent some times at the Theoretical Statistics and Mathematics Unit at the Headquarters of ISI in Kolkata. I have been in Kolkata several times in past: Fall 2019 (November 01 - 30, 2020), Fall 2018 (July 01 - December 23, 2018), Fall 2014 (June 09 - December 20, 2014), Summer 2011 (May 01 - July 30, 2011), and in Fall 2008 (August 01 - December 04, 2008). Majority of the times, my office in ISI, Kolkata is at Room Number 3.4 on the 3rd floor of the A. N. Kolmogorov Bhavan.

Currently, I am the Head of the Delhi Centre of ISI (Head, DC) for a four years term (May 01, 2023 - April 30, 2027). Head, DC is an ex-officio member of the Council of the Institute.

I was the Professor-in-Charge of the Theoretical Statistics and Mathematics Division of the Institute for a two years term during September 18, 2020 - September 17, 2022. I was also then an ex-officio elected member of the Council of the Institute.

In the academic year 2013 - 2014 (September 2013 - May 2014) I visited the Department of Statistics of the University of California, Berkeley as a visiting Associate Professor. In UC, Berkeley my office was at Room # 387 on the 3rd floor of the Evans Hall.

I graduated from University of California, Berkeley with Ph.D. in Statistics in May 2003. My dissertation was on Max-type Recursive Distributional Equations and I worked under the guidance of Professor David J. Aldous. To see a summary of my dissertation click here.

Before joining ISI, I did a two years postdoctoral study (September 2004 - August 2006) at the Chalmers University of Technology, Gothenburg, Sweden, in the Department of Mathematics and Mathematical Statistics, where I worked under Professors Jeffrey Steif, Olle Häaggströom and Johan Jonasson. Earlier (September 2003 - August 2004), I was at the Institute for Mathematics and Its Applications, University of Minnesota, Minneapolis, as a postdoctoral member, and worked with Professor Ofer Zeitouni.


Summary of Research Interest: My main research interest is in theoretical and applied probability mainly focusing on discrete problems arising out of combinatorics, statistical physics and computer science. In particular I am interested in random graphs, probability on tress, combinatorial optimization and statistical physics problems, recursive distributional equations, branching random walks, percolation theory, interacting particle systems, Markov chains and their mixing behavior, random walks in random environment and urn models. I also keep strong interest in theoretical statistics and probability questions arising out of it.

Work in Progress:



  1. (with Partha Pratim Ghosh) Right-Most Position of a Last Progeny Modified Time Inhomogeneous Branching Random Walk. Statist. Probab. Lett., 193: 109697, 2023.

  2. (with Siva Athreya, Amites Dasgupta and Neeraja Sahasrabudhe) S.L.L.N. and C.L.T. for Random Walks in I.I.D. Random Environment on Cayley Tree. Stochastic Processes and Applications, 146: 80 - 97, 2022.

  3. (with Debleena Thacker) A New Approach to Pólya Urn Schemes and Its Infinite Color Generalizations. Annals of Applied Probability, 32(1): 46 - 79, 2022.

  4. (with Svante Janson and Debleena Thacker) Strong convergence of infinite color balanced urns under uniform ergodicity. Journal of Applied Probability, 57(3): 853 - 865, 2020.

  5. (with Gursharn Kaur) Linear de-preferential urn models. Advances in Applied Probability, 50(4): 1176 - 1192, 2018.

  6. (with Debleena Thacker) On Pólya Urn Schemes with Infinitely Many Colors. Bernoulli, 23(4B): 3243 - 3267, 2017.

  7. (with Farkhondeh Sajadi) On the Expected Total Number of Infections for Virus Spread on a Finite Network. Annals of Applied Probability, 25(2): 663 - 674, 2015.

  8. (with Sanjay Chaudhuri) On Standared Deviation Estimates for Tree Order Restricted Models. Statistics, 48(5): 1122 - 1137, 2014.

  9. (with Debleena Thacker) Rate of Convergence and Large Deviation for the Infinite Color Pólya Urn Schemes. Statist. Probab. Lett., 92: 232 - 240, 2014.

  10. (with Siva Athreya and Amites Dasgupta) Random Walks in I.I.D. Random Environment on Cayley Trees. Statist. Probab. Lett., 92: 39 - 44, 2014.

  11. (with Farkhondeh Sajadi) On the Nearest-Neighbor Algorithm for the Mean-Field Traveling Salesman Problem. J. Appl. Prob., 51(1): 106 - 117, 2014.

  12. (with Farkhondeh Sajadi) Connectivity Threshold of Random Geometric Graphs with Cantor Distributed Vertices. Statist. Probab. Lett., 82: 2103 - 2107, 2012.

  13. Endogeny for the Logistic Recursive Distributional Equation. Journal for Analysis and its Applications (ZAA), 30(2): 237 - 251, 2011.

  14. (with Rahul Roy and Anish Sarkar) On the One Dimensional "Learning from Neighbours" Model. Electronic J. Probab., 15: 1574 - 1593 2010.

  15. (with Jeffrey Steif and Ádám Timár) On the Cluster Size Distribution for Percolation on Some General Graphs. Revista Mathemática Iberoamericana, 26(2): 529 - 550, 2010.

  16. (with David Gamarnik) Counting Without Sampling: Asymptotics of the Log-Partition Function for Certain Statistical Physics Models. Random Structures and Algorithms, 33(4): 452 - 479, 2008.

  17. (with David Gamarnik) Counting without sampling. New algorithms for enumeration problems using statistical physics. Proceedings of the Seventeenth Annual ACM-SIAM Symposium on Discrete Algorithms, 17: 890 - 899, 2006.

  18. A Necessary and Sufficient Condition for the Tail-Triviality of a Recursive Tree Process. Sankhya, 68(1): 1 - 23, 2006.

  19. (with Ofer Zeitouni) Random Walk in Dynamic Markovian Random Environment. ALEA : Latin American Journal of Probability and Mathematical Statistics, 1: 205 - 224, 2006.

  20. (with David J. Aldous) A Survey of Max-Type Recursive Distributional Equations. Annals of Applied Probability, 15(2): 1047 - 1110, 2005.

  21. (with David J. Aldous) How to Combine Fast Heuristic Markov Chain Monte Carlo with Slow Exact Sampling. Electronic Commun. Probab., 6: 79 - 89, 2001.

Dissertation Research:

Coauthors (in alphabetical order of last names):

  1. David J. Aldous,
  2. Siva Athreya,
  3. Sanjay Chaudhuri,
  4. Amites Dasgupta,
  5. David Gamarnik,
  6. Partha Pratim Ghosh,
  7. Svante Janson,
  8. Gursharn Kaur,
  9. Rahul Roy,
  10. Neeraja Sahasrabudhe,
  11. Farkhondeh Sajadi,
  12. Anish Sarkar,
  13. Jeffrey Steif,
  14. Debleena Thacker,
  15. Ádám Timár,
  16. Ofer Zeitouni.

Erdős Number:

Mathematics Genealogy:

Ph.D. Students (in reverse chronological order):

  1. Deborshi Das

    • Thesis Title: Interacting Urn Schemes on Directed Graphs.
    • Date of Graduation: 2026 (expected year of graduation).
    • Field: Statistics (Probability Theory).

  2. Partha Pratim Ghosh

  3. Gursharn Kaur

  4. Debleena Thacker

  5. Farkhondeh Sajadi

M.Stat. (Dissertation) Student:

  1. Somak Laha

    • Dissertation Title: De-preferential attachment model through preferential attachment.
    • Year of Dissertation: 2021 - 2022.
    • Specialization: Applied Statistics: Computational Statistics Track.
    • Affiliation: Indian Statistical Institute, Kolkata.

  2. Subhabrata Sen

    • Dissertation Title: De-preferential Attachment Random Graph Models.
    • Year of Dissertation: 2012 - 2013.
    • Specialization: Mathematical Statistics and Probability.
    • Affiliation: Indian Statistical Institute, Kolkata.


Current Assignment:


Teaching Awards:

Teaching Record: (not updated!)


I organized the weekly seminar series of the Theoretical Statistics and Mathematics Unit, ISI, New Delhi for four years, from Fall 2006 till Fall 2010 (except in the Fall 2008 when I was not in Delhi it was organized by Maneesh Thakur). From Spring Semester 2010 till Fall 2010 my co-organizer was Deepayan Sarkar.


Curriculum Vitae:

Personal Stuff:

DISCLAIMER: This is a personal home page. Opinions expressed here do not represent the official views of the Indian Statistical Institute.

Last modified December 08, 2023.