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Golay complementary sequences have been put a high value on the applications in orthogonal frequency-division multiplexing (OFDM) systems since its good peak-to-mean envelope power ratio(PMEPR) properties. However, with the increase of the…

Information Theory · Computer Science 2019-10-24 Zilong Wang , Gaofei Wu , Dongxu Ma

In the parallel calibration for transmitting phased arrays, the calibration receiver must separate the signals belonging to different antenna elements to avoid mutual interference. Existing algorithms encode different antenna elements'…

Information Theory · Computer Science 2017-06-30 Yujie Lin , Shuai Wang , Xiangyuan Bu , Chengwen Xing , Jianping An

We prove new upper and lower bounds for the Online Orthogonal Vectors Problem ($\mathsf{OnlineOV}_{n,d}$). In this problem, a preprocessing algorithm receives $n$ vectors $x_1,\ldots,x_n\in\{0,1\}^d$ and constructs a data structure of size…

Data Structures and Algorithms · Computer Science 2026-05-07 Karthik Gajulapalli , Alexander Golovnev , Samuel King , Sidhant Saraogi

Routing protocol specifications are traditionally written in plain English. Often this yields ambiguities, inaccuracies or even contradictions. Formal methods techniques, such as process algebras, avoid these problems, thus leading to more…

Networking and Internet Architecture · Computer Science 2020-04-29 Ryan Barry , Rob van Glabbeek , Peter Höfner

The vortex electromagnetic wave carried by multiple orthogonal orbital angular momentum (OAM) modes in the same frequency band can be applied to the field of wireless communications, which greatly increases the spectrum efficiency. The…

Signal Processing · Electrical Eng. & Systems 2024-07-19 Hongyun Jin , Wenchi Cheng , Wei Zhang

We develop a convolutional regularized least squares ($\texttt{CRLS}$) framework for reduced-order modeling of transonic flows with shocks. Conventional proper orthogonal decomposition (POD) based reduced models are attractive because of…

Fluid Dynamics · Physics 2025-11-27 Muhammad Bilal , Ashwin Renganathan

The notion of a Heffter array, which received much attention in the last decade, is equivalent to a pair of orthogonal Heffter systems. In this paper we study the existence problem of a set of $r$ mutually orthogonal Heffter systems for any…

Combinatorics · Mathematics 2024-06-18 Marco Buratti , Anita Pasotti

The computation and memory-intensive nature of DNNs limits their use in many mobile and embedded contexts. Application-specific integrated circuit (ASIC) hardware accelerators employ matrix multiplication units (such as the systolic arrays)…

Hardware Architecture · Computer Science 2024-02-02 Ruiqi Sun , Yinchen Ni , Xin He , Jie Zhao , An Zou

Linear regression is one of the most prevalent techniques in machine learning, however, it is also common to use linear regression for its \emph{explanatory} capabilities rather than label prediction. Ordinary Least Squares (OLS) is often…

Data Structures and Algorithms · Computer Science 2017-08-23 Or Sheffet

We revisit the asymptotic analysis of probabilistic construction of adjacency matrices of expander graphs proposed in [4]. With better bounds we derived a new reduced sample complexity for the number of nonzeros per column of these…

Information Theory · Computer Science 2018-05-17 Bubacarr Bah , Jared Tanner

Self-orthogonal codes have received great attention due to their important applications in quantum codes, LCD codes and lattices. Recently, several families of self-orthogonal codes containing the all-$1$ vector were constructed by…

Information Theory · Computer Science 2025-08-06 Yadi Wei , Jiaxin Wang , Fang-Wei Fu

This paper investigates a class of non-autonomous highly oscillatory ordinary differential equations characterized by a linear component inversely proportional to a small parameter $\varepsilon$, with purely imaginary eigenvalues, and an…

Numerical Analysis · Mathematics 2026-02-05 Zhihao Qi , Weibing Deng , Fuhai Zhu

Accurate gene regulatory networks can be used to explain the emergence of different phenotypes, disease mechanisms, and other biological functions. Many methods have been proposed to infer networks from gene expression data but have been…

Quantitative Methods · Quantitative Biology 2018-12-11 Phan Nguyen , Rosemary Braun

In statistics, series of ordinary least squares problems (OLS) are used to study the linear correlation among sets of variables of interest; in many studies, the number of such variables is at least in the millions, and the corresponding…

Computational Engineering, Finance, and Science · Computer Science 2015-04-30 Alvaro Frank , Diego Fabregat-Traver , Paolo Bientinesi

An arrangement of s elements in s rows and s columns, such that no element repeats more than once in each row and each column is called a Latin square of order s. If two Latin squares of the same order superimposed one on the other and in…

Discrete Mathematics · Computer Science 2011-11-09 R. N. Mohan , Moon Ho Lee , Subash Pokreal

This research aims at comparative analysis of shear strength prediction at slab-column connection, unifying machine learning, design codes and Finite Element Analysis. Current design codes (CDCs) of ACI 318-19 (ACI), Eurocode 2 (EC2),…

Neural and Evolutionary Computing · Computer Science 2023-11-29 Sarmed Wahab , Nasim Shakouri Mahmoudabadi , Sarmad Waqas , Nouman Herl , Muhammad Iqbal , Khurshid Alam , Afaq Ahmad

We propose an algorithm, called OEM (a.k.a. orthogonalizing EM), intended for var- ious least squares problems. The first step, named active orthogonization, orthogonalizes an arbi- trary regression matrix by elaborately adding more rows.…

Computation · Statistics 2013-08-16 Shifeng Xiong , Bin Dai , Peter Z. G. Qian

Linear Finite State Machines (LFSMs) are particular primitives widely used in information theory, coding theory and cryptography. Among those linear automata, a particular case of study is Linear Feedback Shift Registers (LFSRs) used in…

Cryptography and Security · Computer Science 2015-03-17 François Arnault , Thierry Berger , Marine Minier , Benjamin Pousse

A natural requirement of many distributed structures is fault-tolerance: after some failures, whatever remains from the structure should still be effective for whatever remains from the network. In this paper we examine spanners of general…

Data Structures and Algorithms · Computer Science 2011-02-01 Michael Dinitz , Robert Krauthgamer

We investigate S-boxes defined by pairs of Orthogonal Cellular Automata (OCA), motivated by the fact that such CA always define bijective vectorial Boolean functions, and could thus be interesting for the design of block ciphers. In…

Cryptography and Security · Computer Science 2022-05-17 Luca Mariot , Luca Manzoni