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I am a PhD student in the Mathematics department of University College London (2019 onwards). My supervisor is Alan Sokal. (Here is a picture with Alan during a lake district hike.) I am currently on the job market looking for a postdoctoral position.

My primary interest is in enumerative combinatorics. I try to exactly enumerate combinatorial families of objects. I love bijective method of proofs and proof without words.

My PhD research is primarily on total positivity (total non-negativity in Wikipedia definition).

My pronouns are he/him.

You can contact me at "bishal dot deb dot nineteen at ucl dot ac dot uk". More detailed contact information has been provided in the Contact page.

I believe in the axioms of Federico Ardila:

Axiom 1. Mathematical potential is distributed equally among different groups, irrespective of geographic, demographic, and economic boundaries.

Axiom 2. Everyone can have joyful, meaningful, and empowering mathematical experiences.

Axiom 3. Mathematics is a powerful, malleable tool that can be shaped and used differently by various communities to serve their needs.

Axiom 4. Every student deserves to be treated with dignity and respect.