activity
20102024
most citedUnifying time evolution and optimization with matrix product states

815 citations · 3.2k across the 142 of their papers we have counts for

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Showing 2022Show all

22 papers · 1 filter

math.NA2022

FMM-Net: neural network architecture based on the Fast Multipole Method

Daria Sushnikova, Pavel Kharyuk, Ivan Oseledets

In this paper, we propose a new neural network architecture based on the H2 matrix. Even though networks with H2-inspired architecture already exist, and our approach is designed t…

cs.LG2022

Tensor-based Sequential Learning via Hankel Matrix Representation for Next Item Recommendations

Evgeny Frolov, Ivan Oseledets

Self-attentive transformer models have recently been shown to solve the next item recommendation task very efficiently. The learned attention weights capture sequential dynamics in…

math.NA2022★ 2 cited

Optimization of Functions Given in the Tensor Train Format

Andrei Chertkov, Gleb Ryzhakov, Georgii Novikov +1

Tensor train (TT) format is a common approach for computationally efficient work with multidimensional arrays, vectors, matrices, and discretized functions in a wide range of appli…

math.OC2022★ 1 cited

NAG-GS: Semi-Implicit, Accelerated and Robust Stochastic Optimizer

Valentin Leplat, Daniil Merkulov, Aleksandr Katrutsa +3

Classical machine learning models such as deep neural networks are usually trained by using Stochastic Gradient Descent-based (SGD) algorithms. The classical SGD can be interpreted…

cs.LG2022★ 8 cited

A case study of spatiotemporal forecasting techniques for weather forecasting

Shakir Showkat Sofi, Ivan Oseledets

The majority of real-world processes are spatiotemporal, and the data generated by them exhibits both spatial and temporal evolution. Weather is one of the most essential processes…

math.NA2022

Black box approximation in the tensor train format initialized by ANOVA decomposition

Andrei Chertkov, Gleb Ryzhakov, Ivan Oseledets

Surrogate models can reduce computational costs for multivariable functions with an unknown internal structure (black boxes). In a discrete formulation, surrogate modeling is equiv…