PUBLICATIONS

My publications focus on computational electromagnetics, fast matrix solvers, preconditioning methods, finite difference time domain methods, radar cross section analysis, and high performance scientific computing.

REFEREED JOURNAL PAPERS

1. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Fast Direct LDL' Solver for Method of Moment Electric Field Integral Equation Solution," Applied Computational Electromagnetics Society (ACES) Journal, vol. 40, no. 4, pp. 268-278, Apr. 2025.
2. V. Viswarupa, Yoginder Kumar Negi, and N. Balakrishnan, "Electro-acoustic Scattering from a Pulsating Sphere," IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 8, pp. 354-360, Aug. 2023.
3. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Multi-Level Power Series Solution for Large Surface and Volume Electric Field Integral Equation," Applied Computational Electromagnetics Society (ACES) Journal, vol. 38, no. 5, pp. 297-303, Sep. 2023.
4. Yoginder Kumar Negi and N. Balakrishnan, "Tridiagonal and Block Tridiagonal Preconditioner for Large Electrodynamic Electric Field Integral Equation (EFIE) Solution," IEEE Transactions on Antennas and Propagation, vol. 70, no. 6, pp. 4914-4919, June 2022.
5. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Fast Power Series Solution of Large 3-D Electrodynamic Integral Equation for PEC Scatterers," Applied Computational Electromagnetics Society (ACES) Journal, vol. 36, no. 10, pp. 1301-1311, Oct. 2021.
6. Yoginder Kumar Negi, "Memory Reduced Half Hierarchal Matrix (H-Matrix) for Electrodynamic Electric Field Integral Equation," Progress in Electromagnetics Research Letters, vol. 96, pp. 91-96, Feb. 2021.
7. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Symmetric Near-Field Schur's Complement Preconditioner for Hierarchal Electric Field Integral Equation Solver," IET Microwaves, Antennas and Propagation, vol. 14, no. 14, pp. 1846-1856, Nov. 2020.
8. Yoginder Kumar Negi, N. Balakrishnan, S. M. Rao, and D. Gope, "Null-Field Preconditioner with Selected Far-Field Contribution for 3-D Full-wave EFIE," IEEE Transactions on Antennas and Propagation, vol. 64, no. 11, pp. 4923-4928, Nov. 2016.

REFEREED CONFERENCE PAPERS

1. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Schur Decomposition Fast Direct Solver for Volume Surface Integral Equation," 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, Florence, Italy, Jul. 2024.
2. Yoginder Kumar Negi, V. V. Rupa, and N. Balakrishnan, "Distributed Memory Parallelization for Fast Volume Integral Equation," 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, Florence, Italy, Jul. 2024.
3. Yoginder Kumar Negi, V. V. Rupa, and N. Balakrishnan, "Antenna Array Analysis Using Fast Volume-Surface Integral Equation," 2023 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Ahmedabad, India, pp. 1-4, Dec. 2023.
4. V. V. Rupa, Yoginder Kumar Negi, and N. Balakrishnan, "Electro-Acoustic Scattering using Finite Difference Time Domain Method (FDTD)," 2022 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Bangalore, India, pp. 1174-1177, Dec. 2022.
5. B. T. Battu, Yoginder Kumar Negi, and N. Balakrishnan, "Parallel Solution for 3D Volume Integral Equation using PETSc Library," 2022 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Bangalore, India, pp. 1336-1340, Dec. 2022.
6. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Regularized Electric Field Integral Equation H-Matrix for Electromagnetic Scattering," 2021 Indian Conference on Antennas and Propagation (InCAP), Jaipur, India, pp. 301-304, Dec. 2021.
7. Yoginder Kumar Negi and N. Balakrishnan, "Shared Memory Parallelization for Multilevel Re-Compressed H-Matrix," 2021 Indian Conference on Antennas and Propagation (InCAP), Jaipur, India, pp. 309-311, Dec. 2021.
8. Yoginder Kumar Negi, N. Balakrishnan, and S. M. Rao, "Method of Analytical Regularized Combined Field Integral Equation H-Matrix," 2021 Progress in Electromagnetics Research Symposium (PIERS), Hangzhou, China, pp. 2448-2451, Nov. 2021.
9. Varalakshmi G U, Yoginder Kumar Negi, and N. Balakrishnan, "Performance Comparison of PML and Chiral Absorbing Boundary Condition in FDTD for Electromagnetic Scattering Problems," 2021 Progress in Electromagnetics Research Symposium (PIERS), Hangzhou, China, pp. 2442-2447, Nov. 2021.
10. Yoginder Kumar Negi, Venkat Prasad Padhy, and N. Balakrishnan, "Re-Compressed H-Matrices for Fast Electric Field Integral Equation," IEEE International Conference on Computational Electromagnetics (ICCEM) 2020, 24-26 Aug., Singapore, pp. 176-177, Aug. 2020.
11. Venkat Prasad Padhy, Yoginder Kumar Negi, and N. Balakrishnan, "Numerical Simulation of Wave Propagation and Scattering in an Inhomogeneous Medium," 2018 Indian Conference on Antennas and Propagation (InCAP), Hyderabad, India, pp. 1-4, Dec. 2018.
12. Venkat Prasad Padhy, Yoginder Kumar Negi, and N. Balakrishnan, "Parallelization and Performance Evaluation of Method of Moment (MoM) Dense Matrix Direct Solution on Cray XC40-Supercomputer (SAHASRAT)," 2018 Indian Conference on Antennas and Propagation (InCAP), Hyderabad, India, pp. 1-4, Dec. 2018.
13. Yoginder Kumar Negi, N. Balakrishnan, S. M. Rao, and D. Gope, "Schur Complement Preconditioner for Fast 3-D Full-wave MoM Package-Board Extraction," 2016 IEEE Electrical Design of Advanced Packaging and Systems Symposium (EDAPS), Honolulu, HI, USA, pp. 163-165, Dec. 2016.
14. Yoginder Kumar Negi, N. Balakrishnan, S. M. Rao, and D. Gope, "Null Field Preconditioner for Fast 3-D Full-wave MoM Package-Board Extraction," 2014 IEEE Electrical Design of Advanced Packaging and Systems Symposium (EDAPS), Bangalore, India, pp. 57-60, Dec. 2014.
15. Venkat Prasad Padhy, Yoginder Kumar Negi, and N. Balakrishnan, "RCS Enhancement due to Bragg Scattering," International Conference on Mathematical Methods in Electromagnetic Theory - 2012 (IEEE), 28-30 Aug., Kharkov, Ukraine, pp. 443-446, Aug. 2012.
16. Yoginder Kumar Negi, Venkat Prasad Padhy, and N. Balakrishnan, "RCS Enhancement of Concealed/Hidden Objects at Terahertz (THz)," The 27th International Review of Progress in Applied Computational Electromagnetics 2011, 27-31 Mar., Williamsburg, Virginia, USA, pp. 347-350, Mar. 2011.
17. A. Upendra Raju, Yoginder Kumar Negi, and Jyothi Balakrishnan, "RCS Estimation of Complex Shaped Aircraft and RCS Reduction using Partial RAM Coating," The 27th International Review of Progress in Applied Computational Electromagnetics 2011, 27-31 Mar., Williamsburg, Virginia, USA, pp. 570-575, Mar. 2011.