Academic Publications

A collection of my research papers in Scientific Machine Learning, Natural Language Processing, and Physical Sciences.

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Active Learning for Probabilistic Machine Learning based Modeling of Dynamical Systems

Tamil Arasan Bakthavatchalam, Sai Kiran Karthik, Vishal Subramanian, Raghunathan Rengaswamy

International Conference on Computational Science 2023

This paper presents an active learning framework for probabilistic machine learning models of dynamical systems, enhancing sample efficiency and model accuracy while providing uncertainty quantification.

2023 Scientific ML
Data-driven Multi-Valley Dark Solitons of Multi-component Manakov Model using Physics Informed Neural Network

Tamil Arasan Bakthavatchalam, Vishal Subramanian, Raghunathan Rengaswamy

Chaos, Solitons & Fractals, 2023

This study employs Physics-Informed Neural Networks to discover multi-valley dark soliton solutions in the multi-component Manakov model, demonstrating the effectiveness of data-driven approaches for complex nonlinear systems.

2023 Scientific ML
Primer On Solving Differential Equations Using Machine Learning Techniques

Tamil Arasan Bakthavatchalam, Vishal Subramanian, Raghunathan Rengaswamy

Technical Report, 2022

A comprehensive introduction to solving differential equations using various machine learning approaches, including neural networks, Gaussian processes, and physics-informed methods.

2022 Scientific ML
Bayesian Optimization Of Bose-Einstein Condensates

Sai Kiran Rajendran, Tamil Arasan Bakthavatchalam, et al.

Scientific Reports, 2021

This work demonstrates the application of Bayesian optimization techniques to efficiently tune experimental parameters for Bose-Einstein condensate production, significantly reducing experimental overhead.

2021 Scientific ML
SymSpell and LSTM based Spell-Checkers for Tamil

Tamil Arasan Bakthavatchalam, Anand Kumar M

Forum for Information Retrieval Evaluation, 2020

This paper presents novel spell-checking approaches for Tamil language using SymSpell algorithm and LSTM neural networks, addressing the challenges of morphologically rich languages.

2020 NLP
Dynamics of Solitons in the Fourth-order Nonlocal Nonlinear Schrödinger Equation

Tamil Arasan Bakthavatchalam, Alagar Karthick, et al.

Nonlinear Dynamics, 2019

An investigation of soliton dynamics in the fourth-order nonlocal nonlinear Schrödinger equation, revealing novel behaviors and stability properties of these nonlinear wave structures.

2019 Physics
Analytical Signatures Of Ultracold Atoms

Tamil Arasan Bakthavatchalam, et al.

Preprint, 2018

A theoretical study of analytical signatures in ultracold atomic systems, providing new insights into quantum many-body physics and potential experimental observables.

2018 Physics
Structural, Linear and Nonlinear Optical, Electrical, Piezoelectric and Thermal Investigation on New Semi-Organic Single Crystal for Microelectronics and High Power Laser Applications

Alagar Karthick, Tamil Arasan Bakthavatchalam, et al.

Optical Materials, 2020

A comprehensive characterization of a novel semi-organic crystal, Brucinium Di-Hydrogen Borate Hydrate, revealing its potential for microelectronics and high-power laser applications.

2020 Physics
Structural, Optical and Piezoelectric Investigation on Brucinium Bromide Hydrate Non Linear Optical Single Crystal

Alagar Karthick, Tamil Arasan Bakthavatchalam, et al.

Journal of Molecular Structure, 2019

Investigation of Brucinium Bromide Hydrate crystal properties for applications in optical parametric oscillators, high-power lasers, piezo-sensors and transducers.

2019 Physics