1. In the minisymposia "Recent Advances in Numerical Linear Algebra" at the 30th Bienniel Numerical Analysis Conference, University of Strathclyde, Glasgow, UK, June 24-27, 2025.
   Title: Eigenvalue backward errors of Rosenbrock systems and related optimization problems.
   
   

2. Householder Symposium XXII, Cornell University, Ithaca, New York, USA, June 8-13, 2025.
   Poster title: Optimizing Rayleigh quotient with symmetric constraints and its application to eigenvalue backward errors.
   
   

3. Research seminar at the Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany, March 18, 2025.
   Title: Eigenvalue backward errors of matrix polynomials and the related distance problems.
   
   

4. Computation Methods in System and Control Theory (CSC) Workshop, CSC-DMP group retreat, Ringberg Castle, Schloss Ringberg, Kreuth, Germany, Feb 17-19, 2025.
   Title: Optimizing Rayleigh quotient with Hermitian and symmetric constraints.
   
   

5. SIAM  Conference on Applied Linear Algebra, Paris, France, May 13-17, 2024.
   Title: Structured eigenvalue backward errors for rational matrix functions with symmetry structures. (Paper presented).
   
   

6.  In the minisymposium "Matrix Nearness Problems and Applications" at the 94th Annual Meeting of GAMM, Magdeburg, Germany, March 18–22, 2024.
   Title: Structured eigenvalue backward errors for rational matrix functions with symmetry structures.
   
   

7. 10th International Congress on Industrial and Applied Mathematics, Tokyo, Japan, August 20–25, 2023. 

Title: Structured distances to nearest singular matrix pencil. (Paper presented).

8. 25th Conference of the International Linear Algebra Society, Madrid, Spain, June 12–16, 2023. 

Title: Optimizing Rayleigh quotient with symmetric constraints and its application to perturbations of structured polynomial eigenvalue problems. (Paper presented).

9. International Symposium on Optimization Theory and its Applications, Thapar Institute of Engineering and Technology, Patiala, India, April 13–15, 2023.

Title: Distances to singularity for various structured matrix pencils. (Paper presented).

10. International Symposium on Applied Optimization and Game Theoretic Models for Decision Making, ISI Delhi, India, February 1–3, 2023.
    Title: Estimation of structured distances to singularity. (Paper presented).

11. Department of Mathematics, Indian Institute of Technology Guwahati, India, June 3, 2022.

Title: Eigenvalue backward errors of structured rational matrix functions.