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EPSILON INDIA
EPSILON INDIA 2025 FACULTY
Dr. George R. Thomas
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Independent Mathematician and Researcher, Canada
Founder of Epsilon USA, MathPath, MathCamp
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Dr. George R. Thomas is one of the most experienced mathematician in the world in organizing and running summer programs for students showing high promise in mathematics. He founded the prestigious Canada/USA MathCamp, MathPath and Epsilon Camp. He stresses to the students that "Mathematics is the language of form". Dr. Thomas’ research has ranged over semigroups and extremal graph theory with forays in analytical number Theory. See Dr. Thomas' views on the need for Epsilon Camp in India.
Prof. Harold Reiter
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Professor of Mathematics
University of North Carolina at Charlotte
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Professor Harold Reiter is a distinguished mathematician and was associated as an educator at the University of North Carolina at Charlotte. His research expertise spans combinatorics, graph theory, and discrete mathematics, with publications in esteemed journals like American Mathematical Monthly and Discrete Mathematics. He has received the Mathematical Association of America's (MAA) Teaching Award and supervised numerous student research projects.​​
Prof. Reiter has presented at various conferences hosted by Harvard University, Stanford University, and the American Mathematical Society (AMS). His collaborations include research from Princeton University and the University of Cambridge. His outreach programs have been featured in Math Horizons and Mathematics Today, demonstrating his commitment to mathematics education beyond academia.
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His notable affiliations and recognitions include associations with the American Mathematical Society (AMS), Mathematical Association of America (MAA), Harvard University, Stanford University, Princeton University, and University of Cambridge. Prof. Reiter's work has been published in Journal of Combinatorial Theory, American Mathematical Monthly, Discrete Mathematics, Math Horizons, and Mathematics Today, solidifying his reputation as a leading expert in mathematics education and research.
Prof. Kavita Deshpande
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​Freelancer, Visiting faculty at Chennai Mathematical Institute
Prof. Kavita Deshpande is a mathematician and a consultant in the fields of scientific computing and computer vision. She graduated in May 2012 and also completed her PhD in Mathematics from Northeastern University in Boston. She was an associate professor at the School of Computing and Data Science at Sai University. Prior to this, she worked at Chennai Mathematical Institute (CMI) - first as a postdoctoral fellow and later as Lecturer.​
Combinatorics and linear algebra have been her first love in mathematics, and they stay so till this day. Later on, calculus of manifolds and algebraic topology were her favorite subjects. Her thesis and initial research interests were in the areas of representation theory, quiver representations and combinatorics.
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Over the years she has moved to more computational areas of mathematics. Her current interests include numerical linear algebra, matrix analysis, scientific computing and computer vision. Her preferred programming languages are python and matlab.
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She loves teaching, and cares deeply about addressing math anxiety in kids.
Prof. Ajit Bhand
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​Assistant Professor at Mathematics Department at IISER, Bhopal​
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Prof. Bhand completed his PhD in mathematics from Queen’s University in Canada.
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He is trained as a geometer but his recent research interests include number theory and representation theory. More specifically, he is interested in studying properties of fourier coefficients of various automorphic forms. He is also interested in the applications of number theory in string theory and has done collaborative research with theoretical physicists.​
​He has authored articles which have been published in Pacific Journal of Mathematics, Journal of Number Theory, Research in Mathematical Sciences and several other academic journals.​
He was a recipient of SERB's (Science and Engineering Research Board) MATRICS grant (2020-2023)
.He is extremely passionate about teaching and pedagogy. He is also involved with the Maths Circle of India initiative of ICTS-TIFR, Bangalore (International Centre for Theoretical Sciences at Tata Institute of Fundamental Research) and a co-organiser of the IISER Bhopal Maths Circle.
Prof. Priyavrat Deshpande
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Associate Professor at Chennai Mathematical Institute
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Prof. Priyavrat Deshpande is an associate professor at the Chennai Mathematical Institute. He completed his PhD in 2011 in mathematics from University of Western Ontario, Canada. His mathematical interests broadly include algebraic topology and combinatorics. In particular, he is interested in the theory of arrangements (hyperplanes, tori, submanifolds etc.), topological robotics and applications of algebraic topology.
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His research involves combinatorial and topological understanding of hyperplane arrangements. In his PhD thesis, he initiated a study of submanifold arrangements.​​​
In particular he is interested in spherical, projective and toric arrangements. He is also interested in discrete subgroups of diffeomorphisms that are generated by certain involutions, a generalization of Artin groups, enumerative aspects of collection of geodesics on compact surfaces and topology of certain algebraic varieties.
His current projects, in topological robotics, include computation of homotopy groups of planar polygon spaces, homology of arachnoid mechanisms and computation of navigational complexity of related spaces. He is also one of the placement coordinators at CMI. He is also the local coordinator for the Madhava Mathematics Competition.
He was a recipient of SERB's (Science and Engineering Research Board) MATRICS grant for the period of 3 years (June 2018 - March 2021).
Prof. K N Raghavan
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Professor of Mathematics, Krea University
​PhD, Purdue University
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Professor K N Raghavan obtained his PhD in Mathematics from Purdue University, West Lafayette in 1991. After a two-year stint at Michigan State University as a postdoc, he joined the Chennai Mathematical Institute as Faculty in 1993.
He moved to the Institute of Mathematical Sciences (IMSc) in 2001, from where he retired voluntarily in 2024 as a Senior Professor. He specializes in the representation theory of groups and algebras and is the co-author, with Professor V Lakshmibai, of a monograph on Standard Monomial Theory: an Invariant Theoretic Approach.
Prof. Gangotryi Sorcar
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Assistant Professor of Mathematics, Krea University
Phd, Binghamton University
Prof. Gangotryi Sorcar holds a PhD in Mathematics from Binghamton University, with research interests in geometry and topology. She is passionate about making math accessible and relevant by using diagrams, models, and real-world problems to help students visualize abstract concepts and appreciate the beauty of mathematical structures.​​
With over ten years of experience teaching at the undergraduate and graduate levels, Prof. Sorcar employs inquiry-based learning and the socratic method to foster an interactive classroom where students engage, ask questions, and build confidence. Her goal is to inspire curiosity, critical thinking, and a love for learning that extends far beyond the classroom.
Prof. Soumya Dey
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Assistant Professor of Mathematics, Krea University
PhD, IISER Mohali
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Prof. Soumya Dey is a mathematician broadly interested in geometry and topology.
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​Prof. Dey graduated with a PhD in Mathematics from IISER Mohali in 2018, after completing BSc (Hons) in mathematics from St Xavier’s College, Kolkata, and MSc in Mathematics from RKM Vivekananda University, Belur. Thereafter, he worked as a postdoctoral fellow at IISER Bhopal, the Institute of Mathematical Sciences, Chennai and Chennai Mathematical Institute, Kelambakkam successively, before joining Krea University in 2022.
As part of his doctoral thesis, Prof. Dey computed explicit presentations with finite generating sets for the commutator subgroups of some generalized braid groups. As a postdoc, he started working on mapping class groups of surfaces, singular braid groups, and related infinite groups.
Prof. Dey strongly believes that active discussion and collaboration is an indispensable part of doing mathematics, and this culture should be inculcated into undergraduate classrooms. He co-organized several conferences, workshops and seminars, at both national and international levels, which are aimed at researchers and graduate students. Also, he has been actively involved as a volunteer in science outreach activities for students and teachers in schools and colleges.
Prof. Dey enjoys playing table tennis, traveling to places, listening to music of all sorts, watching movies and humming his favorite songs endlessly.
Prof. Rishi Vyas​​
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Assistant Professor of Mathematics, Krea University
PhD, University of Cambridge
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Prof. Rishi Vyas is a mathematician whose research interests lie in algebra, with a specific focus on ring theory, homological algebra, and group theory. After earning an undergraduate honors degree in Mathematics from St Stephen’s College, he proceeded to the University of Cambridge for graduate and doctoral studies. At Cambridge, he was supported by fellowships from the Inlaks Foundation and the Cambridge Commonwealth Trust. He wrote his thesis on the homological aspects of noncommutative ring theory. For his postdoctoral research at the Ben-Gurion University of the Negev.
Prof. Vyas worked to further understand the homological theory of noncommutative rings; he was supported by a PBC Fellowship from the Israel Council for Higher Education. Dr. Vyas has also undertaken research in group theory, with a focus on combinatorial group theory and the interplay between group theory, logic, and computability.