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André Guerino Castoldi

dblp:193/6565 · DBLP profile ↗
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2ranked-venue papers
2as first author
1since 2021 · last 2023
0000-0002-8601-4715ORCID · verified

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

Security and privacy · 1 · 1 first-author · 1 since 2021Theory 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
Combinatorics and discrete mathematics · 77% Coding theory · 23%

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

TopicWeightPapersLastEvidence papers
Combinatorics and discrete mathematics › combinatorial design
orthogonal arrays
0.312017
Ordered Orthogonal Array Construction Using LFSR Sequences · IEEE Trans. Inf. Theory 2017
Coding theory
linear feedback shift register
0.112017
Ordered Orthogonal Array Construction Using LFSR Sequences · IEEE Trans. Inf. Theory 2017

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

LFSR sequences · 0.3
YearPublicationVenuePosition
2023 Covering schemes of strength t
André Guerino Castoldi, Anderson Novaes Martinhão, Emerson L. Monte Carmelo, Otávio J. N. T. N. dos Santos
Des. Codes Cryptogr.1
2017 Ordered Orthogonal Array Construction Using LFSR Sequences
abstract
We present a new construction of ordered orthogonal arrays (OOAs) of strength t with (q + 1)t columns over a finite field Fqusing linear feedback shift register sequences (LFSRs). OOAs are naturally related to (t, m, s)-nets, linear codes, and MDS codes. Our construction selects suitable columns from the array formed by all subintervals of length (qt-1)/(q-1) of an LFSR sequence generated by a primitive polynomial of degree t over Fq. We prove properties about the relative positions of runs in an LFSR, which guarantee that the constructed OOA has strength t. The set of parameters of our OOAs are the same as the ones given by Rosenbloom and Tsfasman (1997) and Skriganov (2002), but the constructed arrays are different. We experimentally verify that our OOAs are stronger than the Rosenbloom-Tsfasman-Skriganov OOAs in the sense that ours are “closer” to being a “full” orthogonal array. We also discuss how our OOA construction relates to previous techniques to build OOAs from a set of linearly independent vectors over Fq, as well as to hypergraph homomorphisms.
André Guerino Castoldi, Lucia Moura, Daniel Panario, Brett Stevens
IEEE Trans. Inf. Theory1