Search Results for author: George Stepaniants

Found 4 papers, 3 papers with code

Covariance alignment: from maximum likelihood estimation to Gromov-Wasserstein

no code implementations22 Nov 2023 Yanjun Han, Philippe Rigollet, George Stepaniants

Feature alignment methods are used in many scientific disciplines for data pooling, annotation, and comparison.

Optimal transport for automatic alignment of untargeted metabolomic data

1 code implementation5 Jun 2023 Marie Breeur, George Stepaniants, Pekka Keski-Rahkonen, Philippe Rigollet, Vivian Viallon

Untargeted metabolomic profiling through liquid chromatography-mass spectrometry (LC-MS) measures a vast array of metabolites within biospecimens, advancing drug development, disease diagnosis, and risk prediction.

GULP: a prediction-based metric between representations

1 code implementation12 Oct 2022 Enric Boix-Adsera, Hannah Lawrence, George Stepaniants, Philippe Rigollet

Comparing the representations learned by different neural networks has recently emerged as a key tool to understand various architectures and ultimately optimize them.

Inferring Causal Networks of Dynamical Systems through Transient Dynamics and Perturbation

1 code implementation23 Jun 2020 George Stepaniants, Bingni W. Brunton, J. Nathan Kutz

Our proposed PCI method demonstrated consistently strong performance in inferring causal relations for small (2-5 node) and large (10-20 node) networks, with both linear and nonlinear dynamics.

Dynamical Systems Adaptation and Self-Organizing Systems Applications 37M10, 62D20, 62M10

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