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Related papers: Adaptive Patching for Tensor Train Computations

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We investigate quantum-inspired tensor networks (QTNs) for approximating flow maps of hydrodynamic partial differential equations (PDEs). Motivated by the effective low-rank structure that emerges after tensorization of discretized…

Numerical Analysis · Mathematics 2026-02-19 Nahid Binandeh Dehaghani , Ban Q. Tran , Rafal Wisniewski , Susan Mengel , A. Pedro Aguiar

Accurate contraction of tensor networks beyond one dimension is essential in various fields including quantum many-body physics. Existing approaches typically rely on approximate contraction schemes and do not provide certified error bars.…

Strongly Correlated Electrons · Physics 2026-03-19 Seishiro Ono , Yanbai Zhang , Hoi Chun Po

A central primitive in quantum tensor network simulations is the problem of approximating a matrix product state with one of a lower bond dimension. This problem forms the central bottleneck in algorithms for time evolution and for…

In recent years, the application of tensors has become more widespread in fields that involve data analytics and numerical computation. Due to the explosive growth of data, low-rank tensor decompositions have become a powerful tool to…

Numerical Analysis · Mathematics 2020-11-03 Lingjie Li , Wenjian Yu , Kim Batselier

We present a new algorithm for incrementally updating the tensor train decomposition of a stream of tensor data. This new algorithm, called the {\em tensor train incremental core expansion} (TT-ICE) improves upon the current…

Numerical Analysis · Mathematics 2023-09-19 Doruk Aksoy , David J. Gorsich , Shravan Veerapaneni , Alex A. Gorodetsky

Specialized accelerators for tensor-operations, such as blocked-matrix operations and multi-dimensional convolutions, have been emerged as powerful architecture choices for high-performance Deep-Learning computing. The rapid development of…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-24 Dionysios Diamantopoulos , Burkhard Ringlein , Mitra Purandare , Gagandeep Singh , Christoph Hagleitner

The qubit mapping problem (QMP) focuses on the mapping and routing of qubits in quantum circuits so that the strict connectivity constraints imposed by near-term quantum hardware are satisfied. QMP is a pivotal task for quantum circuit…

Quantum Physics · Physics 2024-09-10 Yunqi Huang , Xiangzhen Zhou , Fanxu Meng , Sanjiang Li

Tensor Train (TT) decompositions provide a powerful framework to compress grid-structured data, such as sampled function values, on regular Cartesian grids. Such high compression, in turn, enables efficient high-dimensional computations.…

Numerical Analysis · Mathematics 2026-01-08 Siddhartha E. Guzman , Egor Tiunov , Leandro Aolita

This paper studies the low-rank property of the inverse of a class of large-scale structured matrices in the tensor-train (TT) format, which is typically discretized from differential operators. An interesting question that we are concerned…

Numerical Analysis · Mathematics 2025-01-14 Chuanfu Xiao , Kejun Tang , Zhitao Zhu

Due to the multi-linearity of tensors, most algorithms for tensor optimization problems are designed based on the block coordinate descent method. Such algorithms are widely employed by practitioners for their implementability and…

Optimization and Control · Mathematics 2022-01-14 Ke Ye , Shenglong Hu

This work proposes an efficient numerical approach for compressing a high-dimensional discrete distribution function into a non-negative tensor train (NTT) format. The two settings we consider are variational inference and density…

Numerical Analysis · Mathematics 2025-07-30 Xun Tang , Rajat Dwaraknath , Lexing Ying

The era of exascale computing opens new venues for innovations and discoveries in many scientific, engineering, and commercial fields. However, with the exaflops also come the extra-large high-dimensional data generated by high-performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-05 Manish Bhattarai , Gopinath Chennupati , Erik Skau , Raviteja Vangara , Hirsto Djidjev , Boian Alexandrov

While the Transformer architecture has become ubiquitous in the machine learning field, its adaptation to 3D shape recognition is non-trivial. Due to its quadratic computational complexity, the self-attention operator quickly becomes…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Axel Berg , Magnus Oskarsson , Mark O'Connor

Multivariate (MTV) porous materials exhibit unique structural complexities based on diverse spatial arrangements of multiple building block combinations. These materials possess potential synergistic functionalities that exceed the sum of…

Quantum Physics · Physics 2025-05-12 Shinyoung Kang , Younghun Kim , Jihan Kim

We present a new numerical method for solving time dependent Maxwell equations, which is also suitable for general linear hyperbolic equations. It is based on an unstructured partitioning of the spacetime domain into tent-shaped regions…

Numerical Analysis · Mathematics 2019-06-27 Jay Gopalakrishnan , Matthias Hochsteger , Joachim Schöberl , Christoph Wintersteiger

Fine-tuning large pre-trained language models on various downstream tasks with whole parameters is prohibitively expensive. Hence, Parameter-efficient fine-tuning has attracted attention that only optimizes a few task-specific parameters…

Computation and Language · Computer Science 2023-05-25 Zhen-Ru Zhang , Chuanqi Tan , Haiyang Xu , Chengyu Wang , Jun Huang , Songfang Huang

CountSketch is a popular dimensionality reduction technique that maps vectors to a lower dimension using randomized linear measurements. The sketch supports recovering $\ell_2$-heavy hitters of a vector (entries with $v[i]^2 \geq…

Data Structures and Algorithms · Computer Science 2022-03-01 Edith Cohen , Xin Lyu , Jelani Nelson , Tamás Sarlós , Moshe Shechner , Uri Stemmer

We introduce a distributed adaptive quadrature method that formulates multidimensional integration as a hierarchical domain decomposition problem on multi-GPU architectures. The integration domain is recursively partitioned into subdomains…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-04 Melanie Tonarelli , Simone Riva , Pietro Benedusi , Fabrizio Ferrandi , Rolf Krause

Adversarial patches in computer vision can be used, to fool deep neural networks and manipulate their decision-making process. One of the most prominent examples of adversarial patches are evasion attacks for object detectors. By covering…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Jens Bayer , Stefan Becker , David Münch , Michael Arens

Quadrotor control policies can be trained with high performance using the exact gradients of the rewards to directly optimize policy parameters via backpropagation-through-time (BPTT). However, designing a fully differentiable reward…

Robotics · Computer Science 2025-05-22 Fanxing Li , Fangyu Sun , Tianbao Zhang , Danping Zou
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