Dr. Apratim Chakraborty

Assistant Professor, IAI TCG CREST

Research Interest

  • Low dimensional topology: Heegaard Floer homology, contact topology and quantum link invariants

  • Applied topology and topological combinatorics


Academic Qualification

  • Ph.D. in Mathematics from Stony Brook University (2013-2019)
  • B.Math from Indian Statistical Institute (2010 – 2013)


Teaching Experience

  • Spring 2023, TCG CREST, IAI Ph.D, course – Introduction to knot theory and low dimensional topology

  • Spring 2022, TCG CREST, IAI Ph.D. course – Trends in combinatorics and topology

  • Fall 2021, TCG CREST, IAI Ph.D. course – Algebra and its applications

  • MAT 303, Summer 2019,  Stony Brook University – Calculus IV with Applications(Ordinary differential equations)

  • MAT 342, Summer 2018,  Stony Brook University – Applied Complex Analysis

  • AMS 351/MAT 312, Summer 2017, Stony Brook University – Applied Algebra

  • AMS 351/MAT 312, Summer 2016, Stony Brook University – Applied Algebra (Elementary number theory, group theory and applications)

  • MAT 126, Summer 2015, Stony Brook University – Calculus B (Integral calculus)


Publications and Pre-prints 


  1. Cabling Legendrian and transverse knots (with John B. Etnyre and Hyunki Min) (to appear in Journal of Differential Geometry)

  2.  Invariants of annular links, cobordisms and transverse links from combinatorial link Floer complex (Journal of Knot Theory and Its Ramifications Vol. 31, No. 12 , 2250079 (2022))

  3. On Elser’s conjecture and the topology of U-nucleus complex (with A. Mondal, S. Mukherjee and K. Saha) (Journal of Combinatorial Theory, Series A, 197:105748 (2023)). 

  4. Transverse and Legendrian invariants of cables in combinatorial link Floer homology (Preprint: arXiv:1903.12256)


  • E-Mail: apratimn@gmail.com

  • Mobile: +91-8584880643