Results 21 to 30 of about 216,076 (266)

Linear codes resulting from finite group actions [PDF]

open access: yesTransactions on Combinatorics, 2022
In this article, we use group action theory to define some important ternary linear codes. Some of these codes are self-orthogonal having a minimum distance achieving the lower bound in the previous records. Then, we define two new codes sharing the same
Driss Harzalla
doaj   +1 more source

On the Trifference Problem for Linear Codes

open access: yesIEEE Transactions on Information Theory, 2022
We prove that perfect $3$-hash linear codes in $\mathbb{F}_{3}^{n}$ must have dimension at most $ \left(\frac{1}{4}-ε\right)n$ for some absolute constant $ε> 0$.
Cosmin Pohoata, Dmitriy Zakharov
openaire   +2 more sources

On the Construction of Self-Complementary Codes and their Application in the Problem of Information Hiding

open access: yesМоделирование и анализ информационных систем, 2022
Line codes are widely used to protect against errors in data transmission and storage systems, to ensure the stability of various cryptographic algorithms and protocols, to protect hidden information from errors in a stegocontainer. One of the classes of
Yury V. Kosolapov   +2 more
doaj   +1 more source

On Linear Complementary Pairs of Codes [PDF]

open access: yesIEEE Transactions on Information Theory, 2018
We study linear complementary pairs (LCP) of codes $(C, D)$ , where both codes belong to the same algebraic code family. We especially investigate constacyclic and quasi-cyclic LCP of codes. We obtain characterizations for LCP of constacyclic codes and LCP of quasi-cyclic codes.
Claude Carlet   +4 more
openaire   +6 more sources

Design of Non-Adaptive Querying Policies Based on Error Control Coding

open access: yesIEEE Access, 2020
This paper designs non-adaptive querying policies (NQPs) for the noisy 20 questions game based on error-correction codes. The querying accuracy of a specific NQP is upper bounded by a function of the minimum distance among its codewords. As a result, the
Shuai Wang   +3 more
doaj   +1 more source

Quasi-linear network coding [PDF]

open access: yes2014 International Symposium on Network Coding (NetCod), 2014
We present a heuristic for designing vector non-linear network codes for non-multicast networks, which we call quasi-linear network codes. The method presented has two phases: finding an approximate linear network code over the reals, and then quantizing it to a vector non-linear network code using a fixed-point representation.
Moshe Schwartz 0001, Muriel Médard
openaire   +3 more sources

Optimal Linear Codes and Their Hulls

open access: yesMathematics
The hull of a linear code C is the intersection of C with its dual code. The goal is to study the dimensions of the hulls of optimal binary and ternary linear codes for a given length and dimension.
Stefka Bouyuklieva   +1 more
doaj   +1 more source

On the Covering Dimension of a Linear Code [PDF]

open access: yesIEEE Transactions on Information Theory, 2016
The critical exponent of a matroid is one of the important parameters in matroid theory and is related to the Rota and Crapo's Critical Problem. This paper introduces the covering dimension of a linear code over a finite field, which is analogous to the critical exponent of a representable matroid.
Britz, T, Shiromoto, K
openaire   +3 more sources

Linear Codes and Self-Polarity

open access: yesMathematics
This work studies projective self-dual (PSD) and self-polar linear codes over finite fields with q elements, where q is a power of a prime. The possible parameters for which PSD codes may exist are presented, and many examples are provided.
Iliya Bouyukliev   +3 more
doaj   +1 more source

Linear intersecting codes

open access: yesDiscrete Mathematics, 1985
Several new and interesting properties of 'linear intersecting codes' are studied. The cyclic structure as well as the duals of such codes are also discussed. Relationships of such codes with many well-known codes in the binary and non-binary cases are established. Almost every study made in the paper is illustrated with an interesting example.
Gérard D. Cohen, Abraham Lempel
openaire   +1 more source

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