Panelist (Total 3)
  1. How to Fund Your Individual Research, Indo – German Research Day, The German Centre for Research and Innovation (DWIH) New Delhi, Dec 03, 2020.


  2. Academic and Research Partnership, French Embassy in India New Delhi, Feb 09, 2019.


  3. Multiple Intelligences Multiple Futures: Challenging False Binaries in Education, Indian Institute of Management Indore (IIM Indore), Oct 05, 2018.

Keynote, Invited, and Minisymposium Talks (Total 19)
  1. Supervised and Unsupervised Learning, 1st Indian Workshop on Artificial Intelligence, QIP-AICTE Programme at IIT Indore, Mar 19, 2021 (Invited).


  2. Approximations in Machine Learning, Recent Trends in Machine Learning and Soft-Computing, TEQIP-3 Programme at IIT Indore, Dec 19, 2020.


  3. Mathematical Challenges for Intractable Problems, 9th International Conference on Soft Computing for Problem Solving (SocProS’19), Liverpool Hope University, Sept 03, 2019 (Keynote).


  4. Preconditioned Linear Solves for Parametric Model Order Reduction, 11th Preconditioning Conference, University of Minnesota, July 02, 2019.


  5. Preconditioner Updates in Adaptive Iterative Rational Global Arnoldi Algorithm, 11th Preconditioning Conference, University of Minnesota, July 02, 2019.


  6. Numerical Modeling, Optimization and Scientific Computing, LU Hannover - India Workshop Dec 4 & 6, 2018 (Invited).


  7. Inexact Linear Solves for Model Reduction, IMT Atlantique-France (Jan 10), UC Louvain-Belgium (Jan 12), IIT Ropar-India (Feb 06), IIM Lucknow-India (Apr 25), and NMSU-USA (May 09), 2018 (Invited).


  8. Preconditioned Iterative Solves in Model Reduction of Second Order Linear Dynamical Systems, Householder Symposium XX (USA) and Lawrence Berkeley National Laboratory (USA), June 22 & July 03, 2017 (Invited).


  9. Iterative Solves for Bi-Linear Model Reduction, TU Dresden (Germany) and Sandia National Laboratory (USA), June 14 & 26, 2017 (Invited).


  10. Short Recurrences: The Faber-Manteuffel Theorem and The Bi-Lanczos Method, First IIT Indore - TU Research Workshop, TU Berlin, Germany, November 03, 2016.


  11. Preconditioning Strategies for Model Reduction of Second Order Linear Dynamical Systems, First IIT Indore - TU Research Workshop, TU Berlin, Germany, November 03, 2016.


  12. Stability of Iterative Solves in Model Reduction Algorithms, Institute of Computational Mathematics, TU Braunschweig, Germany, June 15, 2016 (Invited).


  13. Iterative Solves in Model Reduction Algorithms, Mathematics Department Colloquium, Virginia Tech, USA, December 14, 2015 (Invited).


  14. Stability Analysis of BIRKA (Bilinear Interpolatory Rational Krylov Algorithm), Applied Mathematics Departmental Seminar, Brown University, USA, December 11, 2015 (Invited).


  15. Efficient Solution of Linear Systems arising in Non-Parametric Model Reduction of Second Order Systems, Institute of Computational Mathematics, TU Braunschweig, Germany, June 30, 2014 (Invited).


  16. Solving Sequences of Linear Systems with Application to Model Reduction, SIAM Conference on Applied Linear Algebra, Valencia, Spain, June 18-22, 2012.


  17. Recycling Krylov Subspaces and Preconditioners in Quantum Monte Carlo for Condensed Matter Physics, ICIAM, Vancouver, Canada, July 18-22, 2011.


  18. Recycling BiCG, 11th Copper Mountain Conference on Iterative Methods, Copper Mountain, Colorado, April 04-09, 2010.


  19. Recycled BiCG for Model Reduction and other Applications, SIAM Conference on Computational Science and Engineering, Miami, Florida, March 02-06, 2009.

Contributed Talks (Total 10)
  1. Recycling BiCGSTAB with an Application to Parametric Model Order Reduction, Model Reduction Workshop, Schloss Ringberg, Tegernsee, Germany, June 25-27, 2014.


  2. Recycling BiCGSTAB, International Conference on Numerical Linear Algebra and its Applications, IIT Guwahati, India, January 15-18, 2013.


  3. Krylov Subspace Recycling for Stochastic Collocation based Uncertainty Quantification, XII GAMM Workshop on Applied and Numerical Linear Algebra, Chateau Liblice, Czech Republic, September 02-05, 2012. Also, at 29th GAMM-Seminar on Numerical Methods for Uncertainty Quantification, Leipzig, Germany, January 21-23, 2013.


  4. Krylov Subspace Recycling for Interpolatory Model Order Reduction, Workshop on Nonlinear MOR, Schloss Ringberg, Tegernsee, Germany, May 06-09, 2012.


  5. Recycling Bi-Lanczos Algorithms, SIAM Conference on Computational Science and Engineering, Reno, Nevada, February 27-March 04, 2011.


  6. Krylov Subspace Recycling for Uncertainty Quantification, ICIAM, Vancouver, Canada, July 18-22, 2011 (poster).


  7. Krylov Subspace Methods for Quantum Monte Carlo, Young Researchers Meet, Brown University and Indian Institute of Science (Bangalore), Providence, Rhode Island, May 15-16, 2010.


  8. An Efficient Implementation of the Variational Monte Carlo Method, SIAM - SEAS Conference, Raleigh, North Carolina, March 20-21, 2010.


  9. Ribbon Formation for Electrical Interconnection, Math Modeling Workshop, Institute for Mathematics and Its Applications, University of Minnesota, Minneapolis, Minnesota, August 06-15, 2008.


  10. Probability-One Homotopy Maps for Mixed Complementarity Problems, Paul E. Torgersen Graduate Student Research Excellence Award Presentations, Virginia Tech, Blacksburg, Virginia, March 28, 2006 (poster).


Collaborators: J. Liesen, N. Singh, R. Choudhary, H. Fassbender, P. Benner, L. Feng, E. de Sturler, B. K. Clark, E. R. Chang, S. Gugercin, D. M. Ceperley, J. Kim, J. M. Gray, R. Shimpa, M. L. Parks, E. T. Phipps, A. G. Salinger, L. T. Watson, S. C. Billups et. al.