Search Results for author: Alexander Shapeev

Found 5 papers, 1 papers with code

Bayesian inference of composition-dependent phase diagrams

no code implementations3 Sep 2023 Timofei Miryashkin, Olga Klimanova, Vladimir Ladygin, Alexander Shapeev

Phase diagrams serve as a highly informative tool for materials design, encapsulating information about the phases that a material can manifest under specific conditions.

Bayesian Inference

Accurate melting point prediction through autonomous physics-informed learning

no code implementations23 Jun 2023 Olga Klimanova, Timofei Miryashkin, Alexander Shapeev

We present an algorithm for computing melting points by autonomously learning from coexistence simulations in the NPT ensemble.

Decision Making

Magnetic Moment Tensor Potentials for collinear spin-polarized materials reproduce different magnetic states of bcc Fe

no code implementations23 Dec 2020 Ivan Novikov, Blazej Grabowski, Fritz Kormann, Alexander Shapeev

The accuracy is achieved by a two-step minimization scheme that coarse-grains the atomic and the spin space.

Atomic Physics

Deeper Connections between Neural Networks and Gaussian Processes Speed-up Active Learning

1 code implementation27 Feb 2019 Evgenii Tsymbalov, Sergei Makarychev, Alexander Shapeev, Maxim Panov

Active learning methods for neural networks are usually based on greedy criteria which ultimately give a single new design point for the evaluation.

Active Learning Gaussian Processes

Dropout-based Active Learning for Regression

no code implementations26 Jun 2018 Evgenii Tsymbalov, Maxim Panov, Alexander Shapeev

Active learning is relevant and challenging for high-dimensional regression models when the annotation of the samples is expensive.

Active Learning regression

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