Results 11 to 20 of about 4,571 (255)

On Quasi-Cyclic Codes of Index 3 [PDF]

open access: yesEntropy
Quasi-cyclic codes of index 3 over finite fields are studied. We give a classification of such codes. Their duals with respect to the Euclidean and Hermitian inner products are investigated.
Kanat Abdukhalikov, Rasha M. Shat
doaj   +5 more sources

On Gray Images of Cyclic and Self-Orthogonal Codes over Fq+uFq+vFq [PDF]

open access: yesEntropy
Let p be a prime with p∉{2,5} and let q=pm. This paper studies cyclic and self-orthogonal linear codes of length n over the finite local non-Frobenius ring Rp,u,v=Fq+uFq+vFq, u2=v2=uv=vu=0.
Sami H. Saif, Alhanouf Ali Alhomaidhi
doaj   +2 more sources

Reproducible families of codes and cryptographic applications

open access: yesJournal of Mathematical Cryptology, 2021
Structured linear block codes such as cyclic, quasi-cyclic and quasi-dyadic codes have gained an increasing role in recent years both in the context of error control and in that of code-based cryptography.
Santini Paolo   +2 more
doaj   +1 more source

Lower Bound on the Minimum Distance of Single-Generator Quasi-Twisted Codes

open access: yesMathematics, 2023
We recall a classic lower bound on the minimum Hamming distance of constacyclic codes over finite fields, analogous to the well-known BCH bound for cyclic codes.
Adel Alahmadi   +2 more
doaj   +1 more source

Quasi-Cyclic Codes

open access: yesCoRR, 2020
arXiv admin note: text overlap with arXiv:1906 ...
Güneri, Cem, Ling, San, Özkaya, Buket
openaire   +4 more sources

Quasi-cyclic complementary dual codes [PDF]

open access: yesFinite Fields and Their Applications, 2016
LCD codes are linear codes that intersect with their dual trivially. Quasi cyclic codes that are LCD are characterized and studied by using their concatenated structure. Some asymptotic results are derived. Hermitian LCD codes are introduced to that end and their cyclic subclass is characterized.
Cem Güneri   +2 more
openaire   +4 more sources

Bias-tailored quantum LDPC codes [PDF]

open access: yesQuantum, 2023
Bias-tailoring allows quantum error correction codes to exploit qubit noise asymmetry. Recently, it was shown that a modified form of the surface code, the XZZX code, exhibits considerably improved performance under biased noise.
Joschka Roffe   +4 more
doaj   +1 more source

Multidimensional Quasi-Cyclic and Convolutional Codes [PDF]

open access: yesIEEE Transactions on Information Theory, 2016
We introduce multidimensional analogues of quasi-cyclic (QC) codes and study their algebraic structure. We demonstrate a concatenated structure for multidimensional QC codes and use this to prove that this class of codes is asymptotically good. We also relate the new family of codes to convolutional codes.
Cem Güneri, Buket Özkaya
openaire   +4 more sources

Fast computation of cyclic convolutions and their applications in code-based asymmetric encryption schemes

open access: yesМоделирование и анализ информационных систем, 2023
The development of fast algorithms for key generation, encryption and decryption not only increases the efficiency of related operations. Such fast algorithms, for example, for asymmetric cryptosystems on quasi-cyclic codes, make it possible to ...
Andrey N. Sushko   +4 more
doaj   +1 more source

On quasi-cyclic subspace codes

open access: yesCoRR, 2016
Construction of subspace codes with good parameters is one of the most important problems in random network coding. In this paper we present first a generalization of the concept of cyclic subspaces codes and further we show that the usual methods for constructing cyclic subspace codes over finite fields works for m-quasi cyclic codes, namely the ...
Ismael Gutiérrez, Ivan Molina
openaire   +2 more sources

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