Welcome to my homepage! I am currently a DST-INSPIRE faculty fellow at the department of Mathematics, IISER Tirupati. Prior to this, I was an Institute Post-Doctoral fellow at the department of Mathematics, IISER Tirupati and IIT Madras. I obtained my Ph.D in Mathematics from TIFR Mumbai under the guidance of Prof. Indranil Biswas.

Hobbies

Chess

Music

Employment

DST-INSPIRE Faculty Fellow
IISER Tirupati , India (August 2025 - Present)

Post-Doctoral Research Fellow
IISER Tirupati , India (July 2023 - July 2025)

Institute Post-Doctoral Fellow
Indian Institute of Technology Chennai , India (July 2021 - June 2023)

Education

Ph.D. in Mathematics
TIFR Mumbai , India (2015 - 2021)

Thesis title : On Chow Group Of 1-cycles And Abel-Jacobi Maps On The Moduli Space Of Parabolic Bundles Over A Curve

M.Sc. in Mathematics
Chennai Mathematical Institute , India (2013 - 2015)

B.Sc. (Honours) in Mathematics and Computer Science
Chennai Mathematical Institute , India (2010 - 2013)

Preprints

Brauer group of moduli stack of parabolic PSp(r,C)-bundles over a curve (submitted)
Indranil Biswas, Sujoy Chakraborty, Arijit Dey

Brauer group of moduli stacks of parabolic principal bundles over a curve (submitted)
Indranil Biswas, Sujoy Chakraborty

A note on the existence of line bundles of indefinite curvature forms (submitted)
Indranil Biswas, Sujoy Chakraborty, Pradeep Das

Brauer group of moduli of parabolic symplectic bundles (submitted)
Indranil Biswas, Sujoy Chakraborty, Arijit Dey

Equivariant Parabolic connections and stack of roots
Sujoy Chakraborty, Arjun Paul
Geometriae Dedicata (Vol. 219, No. 65)

2024

Orthogonal and symplectic parabolic connections and stack of roots
Sujoy Chakraborty, Souradeep Majumder
Bulletin des Sciences Mathèmatiques (Vol. 191)

Real structures on root stacks and parabolic connections
Sujoy Chakraborty, Arjun Paul
Geometriae Dedicata (Vol. 218, No. 35)

Chen-Ruan cohomology and orbifold Euler characteristic of moduli spaces of parabolic bundles
Indranil Biswas, Sujoy Chakraborty, Arijit Dey
Journal of Geometry and Physics (Vol. 202, no. 105236)

2023

Brauer group of moduli stack of stable parabolic PGL(r)-bundles over a curve
Indranil Biswas, Sujoy Chakraborty, Arijit Dey
International Journal of Mathematics (Vol. 35, No. 1)

2021

On Abel-Jacobi maps of moduli of parabolic bundles over a curve
Sujoy Chakraborty
Communications in Algebra (49:9)

Chow Group of 1-cycles of the Moduli of Parabolic Bundles of Rank 2 Over a Curve
Sujoy Chakraborty
Proceedings - Mathematical Sciences (131)

2018

Picard Group and Fundamental Group of the Moduli of Higgs Bundles on Curves
Sujoy Chakraborty, Arjun Paul
Complex Manifolds (5:1)

• Instructor for MTH611 Algebra I, IISER Tirupati (Fall 2025)

• Instructor for MTH411 Commutative Algebra, IISER Tirupati (Fall 2025)

• Teaching assistant for Introduction to Abstract Algebra, IISER Tirupati (Spring 2025)

• Instructor for MTH110 Basic Mathematics, IISER Tirupati (Fall 2024)

• Co-instructor for MTH421 Commutative Algebra, IISER Tirupati (Spring 2024)

• Teaching assistant for MTH211 Probability and Statistics, IISER Tirupati (Fall 2023)

• Teaching assistant for Series and Matrices, IIT Madras (Spring 2023)

• Principal instructor for Algebra II, IIT Madras (Fall 2022)

• I am a co-organizer for the ongoing "Graduate college seminar"   series at IISER Tirupati.

• I was a co-organizer for the seminar series titled "Lecture Series in Algebraic Geometry"   at IIT Madras (2021).

• During my Ph.D, I was a co-organizer for the Mathematics students seminar series at TIFR Mumbai.

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