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This paper presents new structure and adaptation criterion for equalization of two-dimensional magnetic recording channels, as opposed to typical linear equalizer with minimum mean square error (MMSE) as adaptation criterion. To compensate…

信号处理 · 电气工程与系统科学 2019-12-18 Jinlu Shen , Nitin Nangare

Binary embeddings provide efficient and powerful ways to perform operations on large scale data. However binary embedding typically requires long codes in order to preserve the discriminative power of the input space. Thus binary coding…

数据结构与算法 · 计算机科学 2015-12-08 Felix X. Yu , Aditya Bhaskara , Sanjiv Kumar , Yunchao Gong , Shih-Fu Chang

Maximum distance separable (MDS) codes are optimal where the minimum distance cannot be improved for a given length and code size. Twisted Reed-Solomon codes over finite fields were introduced in 2017, which are generalization of…

信息论 · 计算机科学 2020-08-11 Hongwei Liu , Shengwei Liu

We investigate a natural subfamily of twisted linearized Reed--Solomon (TLRS) codes in the sum-rank metric, where the twist is applied only to the constant term. We establish a simple necessary and sufficient condition for these codes to be…

信息论 · 计算机科学 2026-04-29 Sanjit Bhowmick , Kuntal Deka , Edgar Martínez-Moro

In this paper, we study column twisted Reed-Solomon(TRS) codes. We establish some sufficient conditions for these codes to be MDS and show that the dimension of their Schur square codes is $2k$. Consequently, these TRS codes are shown to be…

信息论 · 计算机科学 2026-05-05 Wei Liu , Jinquan Luo , Puyin Wang , Dengxin Zhai

Composite DNA is a recent novel method to increase the information capacity of DNA-based data storage above the theoretical limit of 2 bits/symbol. In this method, every composite symbol does not store a single DNA nucleotide but a mixture…

信息论 · 计算机科学 2025-01-22 Tuan Thanh Nguyen , Chen Wang , Kui Cai , Yiwei Zhang , Zohar Yakhini

Determining how the brain stores information is one of the most pressing problems in neuroscience. In many instances, the collection of stimuli for a given neuron can be modeled by a convex set in $\mathbb{R}^d$. Combinatorial objects known…

组合数学 · 数学 2019-05-29 R. Amzi Jeffs , Mohamed Omar , Natchanon Suaysom , Aleina Wachtel , Nora Youngs

MDS codes have diverse practical applications in communication systems, data storage, and quantum codes due to their algebraic properties and optimal error-correcting capability. In this paper, we focus on a class of linear codes and…

信息论 · 计算机科学 2024-01-09 Yansheng Wu , Ziling Heng , Chengju Li , Cunsheng Ding

Reliable communication is a challenge in a very noisy RF channel further corrupted by severe, multiple narrowband interference. Code Division Multiple Access (CDMA) is a widely used method to both mitigate such interference and support…

信息论 · 计算机科学 2014-10-20 Dave Clites , Richard Orr , Jack Rieser , Michael Dellomo

Accurate and fast treatment of electron-electron interactions remains a central challenge in electronic structure theory because post-Hartree-Fock methods often suffered from the computational cost for 4-index electron repulsion integrals…

化学物理 · 物理学 2025-12-05 Yueyang Zhang , Xuewei Xiong , Wei Wu , Peifeng Su

Recent results have shown that the performance of bit-interleaved coded modulation (BICM) using convolutional codes in nonfading channels can be significantly improved when the interleaver takes a trivial form (BICM-T), i.e., when it does…

信息论 · 计算机科学 2013-03-26 Alex Alvarado , Leszek Szczecinski , Erik Agrell

Motivated by polymer-based data-storage platforms that use chains of binary synthetic polymers as the recording media and read the content via tandem mass spectrometers, we propose a new family of codes that allows for both unique string…

信息论 · 计算机科学 2021-06-29 Srilakshmi Pattabiraman , Ryan Gabrys , Olgica Milenkovic

Recently, it has been observed that terminated low-density-parity-check (LDPC) convolutional codes (or spatially-coupled codes) appear to approach capacity universally across the class of binary memoryless channels. This is facilitated by…

信息论 · 计算机科学 2011-10-12 Phong S. Nguyen , Arvind Yedla , Henry D. Pfister , Krishna R. Narayanan

Certain binary asymmetric channels, such as Z-channels in which one of the two crossover probabilities is zero, demand optimal ones densities different from 50%. Some broadcast channels, such as broadcast binary symmetric channels (BBSC)…

信息论 · 计算机科学 2011-07-11 Jiadong Wang , Thomas Courtade , Tsung-Yi Chen , Bike Xie , Richard Wesel

We analyze the effect of typical, unknown perturbations on the 2D toric code when acting as a quantum memory, incorporating the effects of error correction on read-out. By transforming the system into a 1D transverse Ising model undergoing…

量子物理 · 物理学 2012-01-04 Alastair Kay

Compression and efficient storage of neural network (NN) parameters is critical for applications that run on resource-constrained devices. Despite the significant progress in NN model compression, there has been considerably less…

机器学习 · 计算机科学 2023-03-15 Berivan Isik , Kristy Choi , Xin Zheng , Tsachy Weissman , Stefano Ermon , H. -S. Philip Wong , Armin Alaghi

We present an empirical validation of the directional non-commutative monoidal embedding framework recently introduced in prior work~\cite{Godavarti2025monoidal}. This framework defines learnable compositional embeddings using distinct…

机器学习 · 计算机科学 2025-06-05 Mahesh Godavarti

Decoding algorithms based on approximate tensor network contraction have proven tremendously successful in decoding 2D local quantum codes such as surface/toric codes and color codes, effectively achieving optimal decoding accuracy. In this…

量子物理 · 物理学 2024-10-10 Christophe Piveteau , Christopher T. Chubb , Joseph M. Renes

In the two-user Gaussian interference channel with Gaussian inputs and treating interference as noise (TIN), improper complex signals can be beneficial if time-sharing is not allowed or if only the data rates are averaged over several…

信息论 · 计算机科学 2020-12-30 Christoph Hellings , Ferhad Askerbeyli , Wolfgang Utschick

Insertion and deletion (insdel for short) errors are synchronization errors in communication systems caused by the loss of positional information in the message. Reed-Solomon codes have gained a lot of interest due to its encoding…

信息论 · 计算机科学 2019-12-06 Tai Do Duc , Shu Liu , Ivan Tjuawinata , Chaoping Xing