CV (click to download).

Papers (Math)
  1. A partial theta function Borwein conjecture (with Michael Schlosser), Preprint, 8 pp.
  2. Orthogonal polynomials associated with a continued fraction of Hirschhorn (with Mourad E. H. Ismail), Preprint, 22 pp. 
  3. Heine's method and $A_n$ to $A_m$ transformation formulas, Ramanujan J., 48, (2019), 191-215.  Reprint.
  4. The determinant of an elliptic Sylvesteresque matrix (with Christian Krattenthaler), SIGMA, 14 (2018), 052, 15pp.
  5. Elliptic well-poised Bailey transforms and lemmas on root systems (with Michael Schlosser), SIGMA, 14 (2018), 025, 44pp.
  6. A bibasic Heine transformation formula and Ramanujan's $_2\phi_1$ transformations, in Analytic Number Theory, Modular Forms and q-Hypergeometric Series,
    In honor of Krishna Alladi's 60th Birthday, University of Florida, Gainesville, Mar 2016,  G. E. Andrews and F. G. Garvan (eds.), 99-122 (2017)  preprint.
  7. Spiral determinants (with Christian Krattenthaler), Linear Algebra Appl., 529, 374-390 (2017) preprint
  8. Analogues of a Fibonacci-Lucas identity, Fibonacci Quart., 54 (no. 2) 166-171,  (2016) preprint
  9. How to discover the Rogers-Ramanujan Identities, Resonance, 20 (no. 5), 416-430, (May 2015).
  10. How to prove Ramanujan's q-Continued Fractions,  in Contemporary Mathematics: Ramanujan 125, K. Alladi, F. Garvan, A. J. Yee (eds.)  627, 49-68 (2014) (preprint)
  11. In Praise of an Elementary Identity of Euler, Electronic J. Combinatorics, 18 (2), 44pp, (2011).
  12. D_n Basic Hypergeometric Series, The Ramanujan Journal, 3, 175-203 (1999).
  13. A short proof of an identity of Sylvester, Int. J. Math. Math. Sci., 22, 431-435 (1999).
  14. Cn and Dn very-well-poised 10phi9 transformations (with Michael Schlosser), Const. Approx., 14, 531-567 (1998).
  15. A multivariable view of one-variable q-series, in Special Functions and Differential Equations (Madras 1997), Proceedings of a workshop held at IMSc., Madras, India, January 13-24, 1997, Allied Publishers, New Delhi, 60-72 (1998).
  16. A characterization of Inverse Relations (with Stephen C. Milne), Discrete Math., 193,  235-245 (1998). (Selected as one of the best papers written in 1998 in Discrete Math. and Discrete Applied Math, by the Editors of these journals.)
  17. Generalized Bibasic Hypergeometric Series and their U(n) extensions (with Stephen C. Milne), Adv. Math., 131, 188-252 (1997).
Math Articles
  1. How to discover the exponential function $e^x$, At Right Angles, 6 (no. 3), 9-12, (Nov 2017)  
  2. Of Math and Art: Paradoxes (Part 2 of 2) (with Punya Mishra), At Right Angles, 4 (no. 2), 9-14, (Jul 2015).
  3. Of Math and Art: Paradoxes: True and/or False (Part 1 of 2) (with Punya Mishra), At Right Angles, 4 (no. 1), 21-27, (Mar 2015).
  4. Of Math and Art: Self-Similarity (with Punya Mishra), At Right Angles, 3 (no. 2), 23-30, (Jul 2014).
  5. How to discover 22/7 and other rational approximations to $\pi$, 5pp, At Right Angles, 3 (no. 1), 49-53, (Mar 2014).
  6. Of Math and Art: Introducing Symmetry (with Punya Mishra), At Right Angles, 3 (no. 1), 25-30, (Mar 2014).
  7. Of Math and Art: Introducing Ambigrams (with Punya Mishra), At Right Angles, 2 (no. 3), 28-33 (Nov 2013).
  8. Experience Mathematics, Column in East Delhi Times, 29 articles, (2002-3)

  1. Experience Mathematics, Unpublished manuscript (2009) Download
  2. Get Smart! Maths Concepts, Penguin Books (Imprint: Puffin), India, 2008. Buy
  3. An Introduction to Multimedia Systems (co-edited with Sugata Mitra and Shikha Mehta), Academic Press, USA, 2002. Buy
  4. Dani’s Point (co-edited with Sugata Mitra and Parimala Inamdar), NIIT-CRCS, 2000.
  5. Inverse Relations, Generalized Bibasic Series, and their U(n) extensions, Ph.D. Thesis, The Ohio State  University, 1995. Download

Other Publications (Education, Cognition or other themes)
  1. Technology in mathematics education (with Punya Mishra), Proceeding TIME 2007, IIT Bombay, (Dec 2007), 76-83.
  2. On returning to desh, Book Review for A long day’s night, by Pradip Ghosh, (June 2003).
  3. On the design of a learning environment, J.Sci. Ind. Res., 59 no. 8 & 9 701-709 (2000).
  4. Performance based tests—A case study (with M. Kandan), in Cognitive Systems: Reviews and Previews, J. R. Isaac and K. Batra (eds.), Phoenix Publishing House, New Delhi; 793-805 (2000).
  5. Minimal IT Literacy for UP School Principals, in Proceedings International Workshop on Advanced Learning Technologies (IWALT2000) Advanced Learning Technology: Design and Development Issues, New Zealand, IEEE Computer Society, December 2000.
  6. Impossible AllLights puzzles, Proceedings of the F13 conference, NIIT Ltd., October 2000. 
  7. A Drunken Walk Through Raga Bhupali (with Purnendu K. Hota), Proceedings of the F13 Conference, NIIT Ltd., October 2000. 
  8. From the Diary of a Netizen, June 2000.
  9. Algorithms to Build a Better World, Book Review, J. Indian Education, May 2000. 
  10. On Automatically generating music (with Hem Bhatnagar), Proceedings of the F13 conference, NIIT Ltd., Nov 1998. 
  11. On Automatically generating nice sounding music: A progress report (with Awanish), Proceedings of the F13 conference, NIIT Ltd., August1999. 
  12. Learn Computing: A Game Plan (with Archana Sharma), Proceedings of the F13 conference, NIIT Ltd., August1999. 
  13. On Speech Distortion (with Sugata Mitra), Proceedings of the F13 conference, NIIT Ltd., August1999. 
  14. The Cognitive Edge (with Renu Ahuja), PC Quest, January 1999.
  15. Mathematics Education in Primary Schools: A Snapshot (with A.K. Jalaluddin and Monika Kapoor), Proceedings of the F13 Conference, NIIT Ltd., Feb 1998.