Search Results for author: Vishwesha Guttal

Found 4 papers, 2 papers with code

Data-driven discovery of stochastic dynamical equations of collective motion

no code implementations20 Apr 2023 Arshed Nabeel, Vivek Jadhav, Danny Raj M, Clément Sire, Guy Theraulaz, Ramón Escobedo, Srikanth K. Iyer, Vishwesha Guttal

We consider k = 1 (called stochastic pairwise interactions), k = 2 (stochastic ternary interactions), and k equalling all available neighbours within the interaction radius (equivalent to Vicsek-like local averaging).

Discovering mesoscopic descriptions of collective movement with neural stochastic modelling

1 code implementation17 Mar 2023 Utkarsh Pratiush, Arshed Nabeel, Vishwesha Guttal, Prathosh AP

Collective motion is an ubiquitous phenomenon in nature, inspiring engineers, physicists and mathematicians to develop mathematical models and bio-inspired designs.

Discovering stochastic dynamical equations from biological time series data

1 code implementation5 May 2022 Arshed Nabeel, Ashwin Karichannavar, Shuaib Palathingal, Jitesh Jhawar, David B. Brückner, Danny Raj M., Vishwesha Guttal

Stochastic differential equations (SDEs) are an important framework to model dynamics with randomness, as is common in most biological systems.

Time Series Time Series Analysis

Demographic noise can promote abrupt transitions in ecological systems

no code implementations29 Mar 2021 Sabiha Majumder, Ayan Das, Appilineni Kushal, Sumithra Sankaran, Vishwesha Guttal

In this paper, we show that demographic noise may, in fact, promote abrupt transitions in systems that would otherwise show continuous transitions.

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