MathematiX is NISER’s mathematics club, for the students, by the students. At present, the 3 club activities focus on introducing students to new topics/ideas. These activities are:

**Short Undergraduate Mathematics Seminar (SUMS)**: These weekly seminars were started in the year 2009. The motive is to give bird’s eye view of various topics in mathematics.

**93.** * Wallpatterns* – Himanshu Bimal(B17) – Friday, 23 March 2018

**92.** *Geometric Inequalities* – Somil Agarwal (B16) – Friday, 16 March 2018

**91.** *Introduction to Inequalities* – Archisman Bhattacharjee (B17) – Friday, 09 March 2018

**90.** *Partitions of Integers* – Paresh Singh Arora (B16) – Friday, 09 February 2018

**89.** *2-adic numbers* – Ayush Singh (B17) – Friday, 02 February 2018

**88.** *Pascal’s Triangle* – Tanikella Padma Ragaleena (B16) – Friday, 19 January 2018

**87.** *Dividing line segment in given ratio* – Khwahish Kushwah (B16) – Friday, 12 January 2018

**86.** *Geometry of Equations* – Rutuja Attal (B17) – Friday, 03 November 2017

**85.** *Chebyshev Polynomials* – Yathukishore Gv (B16) – Friday, 27 October 2017

**84.** *How many roots does a polynomial have?* – Sarada Anoushka (B17) – Friday, 20 October 2017

**83.** *Polynomials of degree 5* – Karan (B17) – Friday, 13 October 2017

**82.** *Polynomials of degree 3 and 4 * – Hirkani Abbas Hasnain (B17) – Friday, 06 October 2017

**81.** *Surreal Numbers* – Sabyasachi Das (B16) – Friday, 01 September 2017

**80.** *Dots and Boxes* – Deepak Kumar (B16) – Friday, 25 August 2017

**79.** *Hex* – Sai Satyam Samal (B16) – Friday, 18 August 2017

**78.** *Magic Squares* – Srilakshmi Kalathil (B16) – Friday, 11 August 2017

**77.** *Scissors-Congruent Polygons and Polyhedra* – Awanish Kumar (B15) – Saturday, 15 April 2017

**76.** *Birth of the notion of Area* – Gaurav Swansi (B16) – Saturday, 01 April 2017

**75.** *The Story of Manifolds* – Hitesh Kumar (B15) – Saturday, 25 March 2017

**74.** *Elliptic Adventures of a Mathematician in Prison* – Gaurish Korpal (B14) – Saturday, 18 March 2017

**73.** *Elliptic Functions* – Telikicherla Sai Parthasarathy (B15) – Saturday, 11 March 2017

**72.** *The Legacy of Trigonometric Functions* – Singh Sagar (B16) – Saturday, 11 February 2017

**71.** *The story of Dimension* – Swaroop Hegde (B15) – Saturday, 04 February 2017

**70.** *Curvature of a Surface* – Tanikella Padma Ragaleena (B16) – Saturday, 28 January 2017

**69.** *Vortices Created by Winds* – Swati Snigdha Priyadarsini (B16) – Saturday, 21 January 2017

**68.** *The Euler Characteristic* – Simran Chourasia (B16) – Saturday, 14 January 2017

**67. ***Hyperreal Numbers* – Pritam Laskar (B15) – Saturday, 12 November 2016

**66.** *Permutation Puzzles* – Awanish Kumar (B15) – Saturday, 05 November 2016

**65.** *When Life is Linear* – Singh Sagar (B16) – Saturday, 29 October 2016

**64.** *Passwords and Hashing* – Abhinav Raj (B15) – Saturday, 22 October 2016

**63.** *Monte-Carlo Method* – Kumar Sannidhya Shukla (B16) – Saturday, 15 October 2016

**62.** *Game Theory and Strategy* – Gaurav Swansi (B16) – Saturday, 08 October 2016

**61.** *Fibonacci Numbers and Recurrence Relations* – Abhinav Raj (B15) – Wednesday, 27 April 2016

**60.** *Do non maximal prime ideals exist in the ring of continuous functions?* – Vaibhav Pandey (B11) – Tuesday, 22 March 2016

**59.** *Gödel’s Incompleteness Theorems* – Swaroop S Hegde (B15) – Friday, 20 November 2015

**58.** *Post’s Machine* – Abhinav Raj (B15) – Friday, 13 November 2015

**57.** *Method of Successive Approximation* – Awanish Kumar (B15) – Friday, 6 November 2015

**56.** *Conformal Mapping* – Hitesh Kumar (B15) – Friday, 30 October 2015

**55.** *Stereographic Projection* – Pritam Laskar (B15) – Monday, 26 October 2015

**54.** *Continued Fractions in Disguise* – Gaurish Korpal (B14) – Friday, 16 October 2015

**53.** *Theorem of Friends and Strangers* – Dibyajyoti Dhananjay Jena (B14) – Friday, 18 September 2015

**52.** *Graphs and Colourings* – Rajula Srivastava (B12) – Friday, 11 September 2015

**51.** *Liouville Numbers* – Jyotiraditya Singh (B12) – Friday, 4 September 2015

**50.** *Magic and Mathematics* – Sagar Shrivastava (B11) – Friday, 28 August 2015

**49.** *Flexagons* – Sagar Shrivastava (B11) – Friday, March 20, 2015

**48.** *A brief history of analysis (through the lens of differential equations)* – Amudhan K.U. (B10) – Friday, February 6, 2015

**47.** *Mathematics behind Rubix Cube* – Palash Dubey (PhD Physics) – Friday, January 23, 2015

**46.** *Celebrating 110th birthday of D. R. Kaprekar* – Gaurish Korpal (B14) – Thursday, January 15, 2015

**45.** *The Singular Value Decomposition of a Linear Operator* – Aasaimani T (B11) – Monday, August 5, 2013

**44.** *Space filling curves* – Sagar Shrivastava (B11) – Tuesday, July 30,2013

**43.** *The linear algebra behind Google’s PageRank* – Amudhan K U (B10) – March 18,2013

**42.** *A Cube as (Almost) a Sum of Two Cubes* – Sagar Shrivastava (B11) – October 30, 2012

**41.** *Equivalent Formulations of Axiom of Choice* – Prajakta Bedekar (B10) – October 16, 2012

**40.** – Aasaimani T. (B11) – October 9, 2012

**39.** *Schroeder Bernstein Theorem -* Sagar Shrivastava (B11) - September 11, 2012

**38.** *The Davenport constant and Zero sum problem* – Amudhan K U (B10) – September 4, 2012

**37.*** A Continuous Bijection from l^2 to a subset of l^2 whose inverse is nowhere continuous* – Vishal (B09) – Tuesday, November 22, 2011

**36.** *Classifying Integrable Functions* – Amudhan K U (B10) – Tuesday, August 23, 2011

**35.** *Abelian forcing subsets of integers* - Vishal (B09) – Wednesday, March 23, 2011

**34.** *Convex Functions from R to R* – Jitendra Prakash (B08) – Wednesday, 5 January, 2011

**33.** *Special Unitary Group (SU2) * – Ankush Goswami (B08) – Wednesday, 27 October, 2010

**32.** *A tour to NonEuclidean Geometry *- Jitendra Prakash (B08) - Wednesday, 20 October, 2010

**31.** *Baire Category Theorem* - Sneha Chaubey (B07) - Wednesday, 13 October, 2010

**30.** *Maximal Ideals of the continuous functions from the closed unit interval to reals* – Ashish Pandey (B07) – Wednesday, 6 October, 2010

**29.** *Rational points on Elliptic Curves* - Ankush Goswami (B08) – Wednesday, 1 September, 2010

**28.** *The Fundamental Theorem of Algebra and its topological Proof* – Debanshu Ratha (B08) – Wednesday, 25 August, 2010

**27.** *Turing Machines* - Jitendra Prakash (B08) - Wednesday, 11 August, 2010

**26.** *Norm of Integer Matrices and Jones Theorem* – Issan Patri (Invited Talk) – Wednesday, 28 April, 2010

**25.** *Wedderburn’s Theorem* - Rishabh Sareen (B08) - Wednesday, 21 April, 2010

**24.** *On Sum of two squares and four squares* – Ankush Goswami (B08) – Wednesday, 7 April, 2010

**23.** *Bernstein Polynomials* - Sneha Chaubey (B07) – Wednesday, 31 March, 2010

**22.** *Stone-Weierstrass Approximation Theorem* – Jitendra Prakash (B08) - Wednesday, 24 March, 2010

**21.** *Evolution of Integration* - Kunda Chowdaiah (Phd Mathematics) – Wednesday, 24 February, 2010

**20.** *The constant ‘e’* – Debanshu Ratha (B08) - Wednesday, 17 February, 2010

**19.** *What is a Real number?* – Jitendra Prakash (B08) - Wednesday, 10 February, 2010

**18.** *LUB Axiom of Real Numbers and Its Applications* - Ashish K. Pandey (B07) – Wednesday, 03 February, 2010

**17.** *Diagonalisation* – Vishal (B09) - Wednesday, 13 January, 2010

**16.** *Group of Motions and Symmetries* – Muna Naik (B08) - Wednesday, 04 November, 2009

**15.** *Brouwer’s Fixed point Theorem* – Sneha Chaubey (B07) - Wednesday, 21 October, 2009

**14.** *Locating Zeroes of Complex Polynomials* - Ankush Goswami (B08) – Wednesday, 14 October, 2009

**13.** *Complex Behaviour in Cellular Automata and similar systems* - Palash Dubey (B09) – Wednesday, 16 September, 2009

**12*.** *Categories and categorification* – Dr Apoorva Khare, Yale University – Wednesday, 02 September , 2009

**11.** *Euler’s Gem* : The Polyhedron Formula – Debanshu Ratha (B08) - Wednesday, 26th August, 2009

**10.** *Primes* – Ashish Kumar Pandey (B07) – Wednesday, 19th August, 2009

**9.** *The Mathematical Induction and Equivalent Principles* – Jitendra Prakash (B08) – Wednesday, 12th August, 2009

**8.** *Use of Tagged Partition in Elementary Real Analysis* – Nischay Mandal (B08) – Wednesday, 29th April, 2009

**7.** *Complex Numbers and Plane Geometry* – Sonisilpa Mohapatra (B08) – Wednesday, 22th April, 2009

**6.** *A Few Generalisations of the 2nd Fundamental Theorem of Calculus* – G. G. Sharmila Dhevi (B08) - Wednesday, 15th April, 2009

**5.*** The Isoperimetric Problem* - Ashish Kumar Pandey (B07) – Wednesday, 8th April, 2009

**4.** *A Game With n Numbers* – Sneha Chaubey (B07) - Wednesday, 1st April, 2009

**3.** *Understanding the Infinite (The Cardinal Way) * – Debdipto Halder (B08) - Wednesday, 25th March, 2009

**2.** *The “Impossible” Problems in Geometry* - Jitendra Prakash (B08) - Friday, 18th February, 2009

**1.** *On The Infinitude of Primes* – Debanshu Ratha (B08) – Wednesday, 4th February, 2009

**Student Research Seminar (SRS)**: These seminars were started in the year 2015. The motive is to share the excitement of the things learned during summer internships or personal investigations.

**7.** *Free presentation of groups* – Saikat Bisai (B14) – Saturday, 10 September 2016

**6.** *Creating out of * – Rajula Srivastava (B12) – Saturday, 03 September 2016

**5.** *Irregular Graphs* – Hitesh Kumar (B15) – Saturday, 27 August 2016

**4.** *First Case of Fermat’s Last Theorem* – Gaurish Korpal (B14) – Saturday, 20 August 2016

**3.** *Celebrating Uncle Paul’s 103rd Birthday* – Gaurish Korpal (B14) – Saturday, 26 March 2016

**2.** *Interlacing Polynomials* – Sagar Shrivastava (B11) – Thursday, 29 October 2015

**1.** *Representing Traceless Matrices* – Vaibhav Pandey (B11) – Thursday, 24 September 2015

**MathToys**: These monthly sessions were started in the year 2016. In these sessions we learn to make a toy and discuss the mathematics it illustrates. There isn’t any blackboard-chalk monologues in a classroom, rather discussions among the participants is promoted.

**6.** *Tower of Hanoi* – Kumar Sannidhya Shukla (B16) – Saturday, 26th August 2017

**5.** *Tangram* – Gaurish Korpal (B14) – Sunday, 16th April 2017

**4.** *Unknot, Figure-8 & Borromean Ring* – Awanish Kumar (B15) – Sunday, 19th March 2017

**3.** *Hexa-Tetra Flexagon* – Satyam Chandra Mishra (B15) – Saturday, 4th February 2017

**2.** *Tetra-Hexa Flexagon* – Satyam Chandra Mishra (B15) – Friday, 27th January 2017

**1.** *Weaire-Phelan Structure* – Pankaj Kumar (B15) – Saturday, 19th November 2016

[Last Edited: 9 April 2018]