Analysis and prediction of human mobility in the United States during the early stages of the COVID-19 pandemic using regularized linear models

M Chakraborty, M Shakir Mahmud… - Transportation …, 2023 - journals.sagepub.com
Since the United States started grappling with the COVID-19 pandemic, with the highest
number of confirmed cases and deaths in the world as of August 2020, most states have …

On quantification and maximization of information transfer in network dynamical systems

MS Singh, R Pasumarthy, U Vaidya, S Leonhardt - Scientific Reports, 2023 - nature.com
Abstract Information flow among nodes in a complex network describes the overall cause-
effect relationships among the nodes and provides a better understanding of the …

Data-driven operator theoretic methods for global phase space learning

SP Nandanoori, S Sinha… - 2020 American Control …, 2020 - ieeexplore.ieee.org
In this work, we developed new Koopman operator techniques to explore the global phase
space of a nonlinear system from time-series data. In particular, we address the problem of …

On information transfer in discrete dynamical systems

S Sinha, U Vaidya - 2017 Indian Control Conference (ICC), 2017 - ieeexplore.ieee.org
In this paper, we propose a new definition of information transfer in a discrete dynamical
system. The information transfer is based on how much entropy (uncertainty) is transferred …

Causality preserving information transfer measure for control dynamical system

S Sinha, U Vaidya - 2016 IEEE 55th Conference on Decision …, 2016 - ieeexplore.ieee.org
In this paper, we show through examples, how the existing definitions of information transfer,
namely directed information and transfer entropy fail to capture true causal interaction …

Data-driven operator theoretic methods for phase space learning and analysis

SP Nandanoori, S Sinha, E Yeung - Journal of Nonlinear Science, 2022 - Springer
This paper uses data-driven operator theoretic approaches to explore the global phase
space of a dynamical system. We defined conditions for discovering new invariant subsets in …

Data-driven distributed learning of multi-agent systems: A koopman operator approach

SP Nandanoori, S Pal, S Sinha, S Kundu… - 2021 60th IEEE …, 2021 - ieeexplore.ieee.org
Koopman operator theory provides a model-free and purely data-driven technique for
studying nonlinear dynamical systems. Since the Koopman operator is infinite-dimensional …

Causal Analysis and Prediction of Human Mobility in the US during the COVID-19 Pandemic

S Sinha, M Chakraborty - arxiv preprint arxiv:2111.12272, 2021 - arxiv.org
Since the increasing outspread of COVID-19 in the US, with the highest number of confirmed
cases and deaths in the world as of September 2020, most states in the country have …

Identifying causal interaction in power system: Information-based approach

S Sinha, P Sharma, U Vaidya… - 2017 IEEE 56th Annual …, 2017 - ieeexplore.ieee.org
Stability analysis of power system is a problem of immense importance in power community.
Identification of the cause for instability is a relevant problem and has been studied widely …

On few shot learning of dynamical systems: A koopman operator theoretic approach

S Sinha, U Vaidya, E Yeung - arxiv preprint arxiv:2103.04221, 2021 - arxiv.org
In this paper, we propose a novel algorithm for learning the Koopman operator of a
dynamical system from a\textit {small} amount of training data. In many applications of data …