Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4

The family of finite local Frobenius non-chain rings of length 5 and nilpotency index 4 is determined, as a by-product all finite local Frobenius non-chain rings with p5 elements (p a prime) and nilpotency index 4 are given. And the number and structure of γ-constacyclic codes over those rings, of l...

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Main Authors: Castillo-Guillén C. A., Rentería-Márquez C.
Format: Article
Language:English
Published: Sciendo 2020-07-01
Series:Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica
Subjects:
Online Access:https://doi.org/10.2478/auom-2020-0020
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author Castillo-Guillén C. A.
Rentería-Márquez C.
author_facet Castillo-Guillén C. A.
Rentería-Márquez C.
author_sort Castillo-Guillén C. A.
collection DOAJ
description The family of finite local Frobenius non-chain rings of length 5 and nilpotency index 4 is determined, as a by-product all finite local Frobenius non-chain rings with p5 elements (p a prime) and nilpotency index 4 are given. And the number and structure of γ-constacyclic codes over those rings, of length relatively prime to the characteristic of the residue field of the ring, are determined.
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spelling doaj.art-9f35f0a0b81c471191cd6155c0612ae32022-12-22T03:13:50ZengSciendoAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica1844-08352020-07-01282679110.2478/auom-2020-0020Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4Castillo-Guillén C. A.0Rentería-Márquez C.1Department of Mathematics, Universidades para el Bienestar Benito Juárez García, Tláhuac Ave 6391, 13360 Ciudad de México, México.Department of Mathematics, Escuela Superior de Física y Matemáticas, Instituto Politécnico Nacional, Instituto Politécnico Nacional Ave s/n, 07300, Ciudad de México, MéxicoThe family of finite local Frobenius non-chain rings of length 5 and nilpotency index 4 is determined, as a by-product all finite local Frobenius non-chain rings with p5 elements (p a prime) and nilpotency index 4 are given. And the number and structure of γ-constacyclic codes over those rings, of length relatively prime to the characteristic of the residue field of the ring, are determined.https://doi.org/10.2478/auom-2020-0020chain ringscommutative finite local ringsconstacyclic codesfrobenius local ringsprimary 94b15secondary 13h99
spellingShingle Castillo-Guillén C. A.
Rentería-Márquez C.
Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica
chain rings
commutative finite local rings
constacyclic codes
frobenius local rings
primary 94b15
secondary 13h99
title Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
title_full Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
title_fullStr Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
title_full_unstemmed Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
title_short Constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4
title_sort constacyclic codes over finite local frobenius non chain rings of length 5 and nilpotency index 4
topic chain rings
commutative finite local rings
constacyclic codes
frobenius local rings
primary 94b15
secondary 13h99
url https://doi.org/10.2478/auom-2020-0020
work_keys_str_mv AT castilloguillenca constacycliccodesoverfinitelocalfrobeniusnonchainringsoflength5andnilpotencyindex4
AT renteriamarquezc constacycliccodesoverfinitelocalfrobeniusnonchainringsoflength5andnilpotencyindex4