Search Results - "Firer, Marcelo"

Quanta matemática escolar é conhecida pelos egressos dos cursos brasileiros de Licenciatura? by Barichello, Leonardo, Firer, Marcelo

“…Neste texto, buscamos interpretar o significado do desempenho de estudantes de licenciatura em matemática no ENADE para além dos conceitos divulgados pelo…”
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Classification of Niederreiter-Rosenbloom-Tsfasman Block Codes by Panek, Luciano, Firer, Marcelo, Muniz Silva Alves, Marcelo

“…Poset and block metrics were introduced in recent years as alternative metrics to study error correcting codes. Poset-block codes were introduced in 2008,…”
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Oficina Desafio – Challenging creativity by Firer, Marcelo

“…Oficina Desafio, Challenge Workshop, is a project of UNICAMP Exploratory Science Museum – the Science Center of the State University of Campinas (Brazil). It…”
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Symmetry groups of Rosenbloom–Tsfasman spaces by Panek, Luciano, Firer, Marcelo, Silva Alves, Marcelo Muniz

“…Let F q m ⋅ n be the vector space of m ⋅ n -tuples over a finite field F q and P = { 1 , 2 , … , m ⋅ n } a poset that is the finite union of m disjoint chains…”
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The Generalized Covering Radii of Linear Codes by Elimelech, Dor, Firer, Marcelo, Schwartz, Moshe

“…Motivated by an application to database linear querying, such as private information-retrieval protocols, we suggest a fundamental property of linear codes-…”
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Generalized Column Distances by Cardell, Sara D., Firer, Marcelo, Napp, Diego

“…The notion of Generalized Hamming weights of block codes has been investigated since the nineties due to its significant role in coding theory and…”
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Weights Which Respect Support and NN-Decoding by Machado, Roberto Assis, Firer, Marcelo

“…In this work we explore a family of metrics over a finite field <inline-formula> <tex-math notation="LaTeX">\mathbb {F}_{q} </tex-math></inline-formula> which…”
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Obtaining Binary Perfect Codes Out of Tilings by Miyamoto, Gabriella Akemi, Firer, Marcelo

“…A tiling of <inline-formula> <tex-math notation="LaTeX">\mathbb {F}_{2}^{n} </tex-math></inline-formula> (considered as a graph) gives rise to a perfect code…”
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Metrics Based on Finite Directed Graphs and Coding Invariants by Etzion, Tuvi, Firer, Marcelo, Machado, Roberto Assis

“…Given a finite directed graph with <inline-formula> <tex-math notation="LaTeX">n </tex-math></inline-formula> vertices, we define a metric <inline-formula>…”
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Loterias Esportivas e Códigos by Marcelo Firer

“…Neste trabalho apresentamos uma análise de alguns aspectos da conhecida Loteria Esportiva utilizando os conceitos básicos da Teoria de Códigos. Corretores de…”
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GRUPOS CRISTALOGRÁFICOS E EMPACOTAMENTOS DE ESFERAS by Marcelo Firer

“…O 18º problema proposto por Hilbert no Congresso Internacional de Matemática de 1900 coloca duas questões, dois desafios, a serem enfrentados pela comunidade…”
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Characterization of Metrics Induced by Hierarchical Posets by Assis Machado, Roberto, Anderson Pinheiro, Jerry, Firer, Marcelo

“…In this paper, we consider metrics determined by hierarchical posets and give explicit formulas for the main parameters of a linear code: the minimum distance…”
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Matched Metrics and Channels by Firer, Marcelo, Walker, Judy L.

“…The most common decision criteria for decoding are maximum likelihood decoding and nearest neighbor decoding. It is well known that maximum likelihood decoding…”
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Combinatorial metrics: MacWilliams-type identities, isometries and extension property by Pinheiro, Jerry Anderson, Machado, Roberto Assis, Firer, Marcelo

“…In this work we characterize the combinatorial metrics admitting a MacWilliams-type identity and describe the group of linear isometries of such metrics…”
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A low complexity coding and decoding strategy for the quadratic Gaussian CEO problem by Torezzan, Cristiano, Panek, Luciano, Firer, Marcelo

“…We consider the quadratic Gaussian CEO problem, where the goal is to estimate a measure based on several Gaussian noisy observations which must be encoded and…”
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On Equivalence of Binary Asymmetric Channels Regarding the Maximum Likelihood Decoding by Qureshi, Claudio, Costa, Sueli I. R., Buffo Rodrigues, Christiane, Firer, Marcelo

“…We study the problem of characterizing when two memoryless binary asymmetric channels, described by their transition probabilities <inline-formula> <tex-math…”
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The packing radius of a code and partitioning problems: The case for poset metrics on finite vector spaces by D’Oliveira, Rafael Gregorio Lucas, Firer, Marcelo

“…Until this work, the packing radius of a poset code was only known in the cases where the poset was a chain, a hierarchy, a union of disjoint chains of the…”
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Classification of Poset-Block Spaces Admitting MacWilliams-Type Identity by Pinheiro, J. A., Firer, M.

“…In this paper, we prove that a poset-block space admits a MacWilliams-type identity if and only if the poset is hierarchical, and at any level of the poset,…”
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A distance between channels: the average error of mismatched channels by D’Oliveira, Rafael G. L., Firer, Marcelo

“…Two channels are equivalent if their maximum likelihood (ML) decoders coincide for every code. We show that this equivalence relation partitions the space of…”
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Loterias Esportivas e Códigos by Firer, Marcelo

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