Dr. V.A. Kandappan

Dr. V.A. Kandappan is an Assistant Professor in the Department of Computer Science at Shiv Nadar University Chennai. He has a well-rounded academic background, having completed his Bachelor’s degree in Electrical and Electronics Engineering, a Master’s degree in Power Systems Engineering from Anna University, and a PhD in Computational Science from IIT Madras. Before his PhD, he worked as a Graduate Engineer at IBM India Pvt. Ltd., specialising in Software Testing Automation. His current research focuses on developing fast matrix algorithms for scientific computing applications, with a particular interest in high-performance computing and machine learning.

Area of Specialization

High-Performance Computing, Soft Computing techniques, Machine Learning Applications, Parallel numerical algorithms

Publications

• Kandappan, V. A., Vaishnavi Gujjula, and Sivaram Ambikasaran. (2023). “Hodlr2d: A new class of hierarchical matrices.” SIAM Journal on Scientific Computing 45, no. 5: A2382-A2408.
• Khan, Ritesh, Kandappan, V. A., and Sivaram Ambikasaran. (2022) “Numerical rank of singular kernel functions.” arXiv preprint arXiv:2209.05819.
• Kandappan, V. A., Vaishnavi Gujjula, and Sivaram Ambikasaran. (2023) “HODLR3D: Hierarchical matrices for $ N $-body problems in three dimensions.” arXiv preprint arXiv:2307.16303.
• Kandappan, V.A., Rekha, A.G. (2021). Machine Learning in Finance: Towards Online Prediction of Loan Defaults Using Sequential Data with LSTMs. In: Sharma, T.K., Ahn, C.W., Verma, O.P., Panigrahi, B.K. (eds) Soft Computing: Theories and Applications. Advances in Intelligent Systems and Computing, vol 1381. Springer, Singapore.

Conferences

• Kandappan, V. A., and Sivaram Ambikasaran. (2022) “A New Preconditioner for Covariance Kernels and Green’s Function in 2D” in SIAM Annual Meeting (AN22).
• Kandappan, V. A., and Sivaram Ambikasaran. (2022) “A Domain Decomposition-based Preconditioner for Discretised Integral Equations in Two Dimensions” in 24^th Conference of the International Linear Algebra Society, NUIG, Ireland.
• Kandappan, V. A., Vaishnavi Gujjula, and Sivaram Ambikasaran. (2022) “HODLR2D – A new class of Hierarchical Matrices with application to Lippmann Schwinger Equation” in $17^th Copper Mountain Conference on Iterative Methods
• Kandappan, V. A., and Sivaram Ambikasaran. (2021) “Accelerating Multi-frontal Method for Finite Element Matrices through Low-Rank Approximation” in SIAM Conference on Applied Linear Algebra (LA21).