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Tucker decomposition is proposed to reduce the memory requirement of the far-fields in the fast multipole method (FMM)-accelerated surface integral equation simulators. It is particularly used to compress the far-fields of FMM groups, which…

计算物理 · 物理学 2021-04-09 Cheng Qian , Mingyu Wang , Abdulkadir C. Yucel

Matrix multiplication is a fundamental kernel in high performance computing. Many algorithms for fast matrix multiplication can only be applied to enormous matrices ($n>10^{100}$) and thus cannot be used in practice. Of all algorithms…

数据结构与算法 · 计算机科学 2025-08-05 Oded Schwartz , Eyal Zwecher

Matrix multiplication is a cornerstone operation in a wide array of scientific fields, including machine learning and computer graphics. The standard algorithm for matrix multiplication has a complexity of $\mathcal{O}(n^3)$ for $n\times n$…

硬件体系结构 · 计算机科学 2024-06-05 Afzal Ahmad , Linfeng Du , Wei Zhang

We show how to improve the efficiency of the computation of fast Fourier transforms over F_p where p is a word-sized prime. Our main technique is optimisation of the basic arithmetic, in effect decreasing the total number of reductions…

符号计算 · 计算机科学 2013-09-26 David Harvey

Efficient scalar multiplication is critical for enhancing the performance of elliptic curve cryptography (ECC), especially in applications requiring large-scale or real-time cryptographic operations. This paper proposes an M-ary…

密码学与安全 · 计算机科学 2025-05-06 Tongxi Wu , Xufeng Liu , Jin Yang , Yijie Zhu , Shunyang Zeng , Mingming Zhan

Fast approximations to matrix multiplication have the potential to dramatically reduce the cost of neural network inference. Recent work on approximate matrix multiplication proposed to replace costly multiplications with table-lookups by…

机器学习 · 计算机科学 2022-07-14 Calvin McCarter , Nicholas Dronen

Fast matrix multiplication is one of the most fundamental problems in algorithm research. The exponent of the optimal time complexity of matrix multiplication is usually denoted by $\omega$. This paper discusses new ideas for improving the…

数据结构与算法 · 计算机科学 2023-11-29 Ran Duan , Hongxun Wu , Renfei Zhou

We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additions than previously published algorithms, without sacrificing…

数值分析 · 数学 2025-10-20 Xuancheng Shao , Steven G. Johnson

It is known that the multiplication of an $N \times M$ matrix with an $M \times P$ matrix can be performed using fewer multiplications than what the naive $NMP$ approach suggests. The most famous instance of this is Strassen's algorithm for…

人工智能 · 计算机科学 2023-07-18 Arnaud Deza , Chang Liu , Pashootan Vaezipoor , Elias B. Khalil

Homomorphic encryption (HE) allows computations to be directly carried out on ciphertexts and is essential to privacy-preserving computing, such as neural network inference, medical diagnosis, and financial data analysis. Only addition and…

密码学与安全 · 计算机科学 2025-07-24 Sajjad Akherati , Yok Jye Tang , Xinmiao Zhang

The technique for hardware multiplication based upon Fourier transformation has been introduced. The technique has the highest efficiency on multiplication units with up to 8 bit range. Each multiplication unit is realized on base of the…

硬件体系结构 · 计算机科学 2016-11-17 Danila Gorodecky

Elliptic curve cryptography (ECC) has emerged as the dominant public-key protocol, with NIST standardizing parameters for binary field GF(2^m) ECC systems. This work presents a hardware implementation of a Hybrid Multiplication technique…

密码学与安全 · 计算机科学 2025-06-25 Ruby Kumari , Gaurav Purohit , Abhijit Karmakar

We give a new proof of F\"urer's bound for the cost of multiplying n-bit integers in the bit complexity model. Unlike F\"urer, our method does not require constructing special coefficient rings with "fast" roots of unity. Moreover, we prove…

计算复杂性 · 计算机科学 2014-07-15 David Harvey , Joris van der Hoeven , Grégoire Lecerf

For various $2\leq n,m \leq 6$, we propose some new algorithms for multiplying an $n\times m$ matrix with an $m \times 6$ matrix over a possibly noncommutative coefficient ring.

符号计算 · 计算机科学 2023-06-02 Manuel Kauers , Jakob Moosbauer

In this paper, we give an algorithm for detecting non-trivial 3-APs in multiplicative subgroups of $\mathbb{F}_p^\times$ that is substantially more efficient than the naive approach. It follows that certain Var der Waerden-like numbers can…

数论 · 数学 2019-02-27 Jeremy F Alm

We offer multiplication method for factoring big natural numbers which extends the group of the Fermat's and Lehman's factorization algorithms and has run-time complexity $O(n^{1/3})$. This paper is argued the finiteness of proposed…

数据结构与算法 · 计算机科学 2019-04-01 Igor Nesiolovskiy , Artem Nesiolovskiy

The direct method is one of the most important algorithms for solving linear systems of equations, with LU decomposition comprising a significant portion of its computation time. This study explores strategies to accelerate complex LU…

数值分析 · 数学 2024-08-21 Tomonori Kouya

We show that the product of an nx3 matrix and a 3x3 matrix over a commutative ring can be computed using 6n+3 multiplications. For two 3x3 matrices this gives us an algorithm using 21 multiplications. This is an improvement with respect to…

计算复杂性 · 计算机科学 2020-07-28 Andreas Rosowski

The reduced density matrix is variationally optimized for the two-dimensional Hubbard model. Exploiting all symmetries present in the system, we have been able to study $6\times6$ lattices at various fillings and different values for the…

We study the capability of the Fast Fourier Transform (FFT) to accelerate exact and approximate matrix multiplication without using Strassen-like divide-and-conquer. We present a simple exact algorithm running in $O(n^{2.89})$ time, which…

数据结构与算法 · 计算机科学 2025-11-06 Yahel Uffenheimer , Omri Weinstein