Gaurav Bhatnagar

Gaurav Bhatnagar is a mathematician who communicates the beauty of mathematics, engineers rich mathematical experiences for his students, and subjects them to a never-ending stream of bad jokes.

Just released!

Released in Feb 2025, published by Hem Aunty Publications. A math problem book written for Middle School Chidren. Children, you can develop your mathematical creativity and awaken your mathematical genius.

Available for free from here.

Research and Exposition

My research interests are in Special Functions, Combinatorics and Elementary Number Theory.
I am also interested in giving a discovery approach to Ramanujan’s identities.
Read more>
Attend the SF and NT seminar>

Who wants to be a Ramanujan?

Apparently, everyone. As a teacher I am focussed on encouraging my students’ mathematical creativity. This site has many links to resources for students.
Read more: Click here!
Visit RamanujanExplained.org

Recent Blog posts

  • A Linear algebra story.

    A Linear algebra story.

    A good bet to lose? This story is about my Linear Algebra course offered in Spring 2023. This is the second time I am teaching this; this time its fully offline. The students are a mix. Some first years from my Calculus class from last semester, some who didn’t take Calculus with me but wish

    Read more >>

  • Mummy's 90th birthday

    Mummy's 90th birthday

    My mother, Dr. Hem Bhatnagar, completed 90 years on October 28, 2019.  We asked her family and friends if they wished to say something in tribute or regarding their association with her. Madhulika  and I have collated them as a book, which was presented to mummy on her birthday. It was meant to be a

    Read more >>

  • Christian Krattenthaler — My role in him being the greatest.

    Christian Krattenthaler — My role in him being the greatest.

    Christian is the worlds greatest expert on determinants, and this blog post is about my role in him being the greatest! I attended Chirstian’s lectures of his course on Bijections given in the University of Vienna, during the period Oct 2016–Jan2017. The picture is of his lecture in Vienna, showing the Rogers–Ramanujan identities. Christian is

    Read more >>