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  1. Tensor Train Factorization with Spatio-temporal Smoothness for Streaming Low-rank Tensor Completion

    Estimating the missing data from an incomplete measurement or observation plays an important role in the area of big data analytic, especially for...

    Gaohang Yu, Shaochun Wan, ... Yanwei Xu in Frontiers of Mathematics
    Article 05 March 2024
  2. Low Rank Tensor Decompositions and Approximations

    There exist linear relations among tensor entries of low rank tensors. These linear relations can be expressed by multi-linear polynomials, which are...

    Jiawang Nie, Li Wang, Zequn Zheng in Journal of the Operations Research Society of China
    Article Open access 18 March 2023
  3. Approximate Real Symmetric Tensor Rank

    Alperen A. Ergür, Jesus Rebollo Bueno, Petros Valettas in Arnold Mathematical Journal
    Article 22 August 2023
  4. Riemannian conjugate gradient method for low-rank tensor completion

    Tensor completion aims to reconstruct a high-dimensional data from the partial element missing tensors under a low-rank constraint, which may be seen...

    Shan-Qi Duan, Xue-Feng Duan, ... Jiao-Fen Li in Advances in Computational Mathematics
    Article 13 June 2023
  5. Optimality conditions for Tucker low-rank tensor optimization

    Optimization problems with tensor variables are widely used in statistics, machine learning, pattern recognition, signal processing, computer vision,...

    Article 13 March 2023
  6. Proximal gradient algorithm for nonconvex low tubal rank tensor recovery

    In this paper, we consider the three-order tensor recovery problem within the tensor tubal rank framework. Most of the recent studies under this...

    Yanhui Liu, Xueying Zeng, Weiguo Wang in BIT Numerical Mathematics
    Article 04 April 2023
  7. A New Tensor Multi-rank Approximation with Total Variation Regularization for Tensor Completion

    In this paper, we present a novel tensor completion model which combines the Laplace function and an anisotropic total variation regularization. The...

    Shan-Qi Duan, Xue-Feng Duan, **-Le Zhao in Journal of Scientific Computing
    Article 20 October 2022
  8. Rank Properties and Computational Methods for Orthogonal Tensor Decompositions

    The orthogonal decomposition factorizes a tensor into a sum of an orthogonal list of rank-one tensors. The corresponding rank is called orthogonal...

    Article 23 November 2022
  9. Tensor Robust Principal Component Analysis via Non-convex Low-Rank Approximation Based on the Laplace Function

    Recently, the tensor robust principal component analysis (TRPCA), aiming to recover the true low-rank tensor from noisy data, has attracted...

    Hai-Fei Zeng, **ao-Fei Peng, Wen Li in Communications on Applied Mathematics and Computation
    Article 08 July 2024
  10. Enhanced Low-Rank Tensor Recovery Fusing Reweighted Tensor Correlated Total Variation Regularization for Image Denoising

    Most current methods for image denoising exploit the global low-rankness and local smoothness priors of images to model them, including independent...

    Kai Huang, Weichao Kong, ... Jianjun Wang in Journal of Scientific Computing
    Article 25 April 2024
  11. Nonnegative low rank tensor approximations with multidimensional image applications

    The main aim of this paper is to develop a new algorithm for computing a nonnegative low rank tensor approximation for nonnegative tensors that arise...

    Tai-**ang Jiang, Michael K. Ng, ... Guang-**g Song in Numerische Mathematik
    Article 29 October 2022
  12. Low-Rank Tensor Data Reconstruction and Denoising via ADMM: Algorithm and Convergence Analysis

    Seismic data is contaminated by noise due to a variety of factors including wind, ocean currents, vehicular traffic, and construction. Further...

    Jonathan Popa, Yifei Lou, Susan E. Minkoff in Journal of Scientific Computing
    Article 07 October 2023
  13. Low-rank nonnegative tensor approximation via alternating projections and sketching

    We show how to construct nonnegative low-rank approximations of nonnegative tensors in Tucker and tensor train formats. We use alternating...

    Azamat Sultonov, Sergey Matveev, Stanislav Budzinskiy in Computational and Applied Mathematics
    Article 03 February 2023
  14. Low-rank tensor structure preservation in fractional operators by means of exponential sums

    The use of fractional differential equations is a key tool in modeling non-local phenomena. Often, an efficient scheme for solving a linear system...

    Angelo Casulli, Leonardo Robol in BIT Numerical Mathematics
    Article Open access 11 May 2023
  15. Partially symmetric tensor structure preserving rank-R approximation via BFGS algorithm

    It is known that many tensor data have symmetric or partially symmetric structure and structural tensors have structure preserving Candecomp/Parafac...

    Ciwen Chen, Guyan Ni, Bo Yang in Computational Optimization and Applications
    Article 20 March 2023
  16. Efficient randomized tensor-based algorithms for function approximation and low-rank kernel interactions

    In this paper, we introduce a method for multivariate function approximation using function evaluations, Chebyshev polynomials, and tensor-based...

    Arvind K. Saibaba, Rachel Minster, Misha E. Kilmer in Advances in Computational Mathematics
    Article 04 October 2022
  17. Low-rank tensor methods for Markov chains with applications to tumor progression models

    Cancer progression can be described by continuous-time Markov chains whose state space grows exponentially in the number of somatic mutations. The...

    Peter Georg, Lars Grasedyck, ... Tilo Wettig in Journal of Mathematical Biology
    Article Open access 02 December 2022
  18. On Approximation Algorithm for Orthogonal Low-Rank Tensor Approximation

    This work studies solution methods for approximating a given tensor by a sum of R rank-1 tensors with one or more of the latent factors being...

    Article 28 June 2022
  19. A Local Macroscopic Conservative (LoMaC) Low Rank Tensor Method with the Discontinuous Galerkin Method for the Vlasov Dynamics

    In this paper, we propose a novel Local Macroscopic Conservative (LoMaC) low rank tensor method with discontinuous Galerkin (DG) discretization for...

    Wei Guo, Jannatul Ferdous Ema, **g-Mei Qiu in Communications on Applied Mathematics and Computation
    Article 10 July 2023
  20. The Low-Rank Approximation of Fourth-Order Partial-Symmetric and Conjugate Partial-Symmetric Tensor

    We present an orthogonal matrix outer product decomposition for the fourth-order conjugate partial-symmetric (CPS) tensor and show that the greedy...

    Amina Sabir, Peng-Fei Huang, Qing-Zhi Yang in Journal of the Operations Research Society of China
    Article 26 May 2022
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