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Mona B. Musa

dblp:85/954 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2008
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Coding theory · 100%

Topics — the 2 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Coding theory › error-correcting codes › block codes › linear code › quasi-cyclic codes
double circulant code
0.112008
On Some Double Circulant Binary Extended Quadratic Residue Codes · IEEE Trans. Inf. Theory 2008
Coding theory › error-correcting codes
quadratic residue code
0.112008
On Some Double Circulant Binary Extended Quadratic Residue Codes · IEEE Trans. Inf. Theory 2008

Methods — techniques the papers use, named apart from their topics

finite field algebra · 0.1automorphism group · 0.1
YearPublicationVenuePosition
2008 On Some Double Circulant Binary Extended Quadratic Residue Codes
abstract
Let$p$be a prime such that$p\equiv -1\pmod {8}$. Let$k=(p+1)/2$and write$k=2^{m}q$,$q$odd. Let$S=F_{2}[x]/\langle 1+x^{k}\rangle $where$F_{2}$is the Galois field of two elements. We prove that the binary extended quadratic residue codes of length$2k$have a double circulant presentation in the following cases: 1)$q=1$, and 2) let$X$be the class of$x$in$S$, and$\sigma $the algebra of automorphisms on$S$that sends$X^{i}$to$X^{-i}$. Factor$1+x^{q}$over$F_{2}$into irreducible factors. If the class of those factors in$S$is fixed by$\sigma $up to a unit, then the codes have a double circulant presentation.
Mona B. Musa
IEEE Trans. Inf. Theory1