A simple proof of Valiant's lemma
Hermann K.-G. Walter (1986)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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Hermann K.-G. Walter (1986)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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Andreas Weber, Helmut Seidl (1991)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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K. Ruohonen (1977)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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Rafael Bru, Ljiljana Cvetković, Vladimir Kostić, Francisco Pedroche (2010)
Open Mathematics
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This paper deals with some properties of α1-matrices and α2-matrices which are subclasses of nonsingular H-matrices. In particular, new characterizations of these two subclasses are given, and then used for proving algebraic properties related to subdirect sums and Hadamard products.
Thomas Ernst (2015)
Special Matrices
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In this second article on q-Pascal matrices, we show how the previous factorizations by the summation matrices and the so-called q-unit matrices extend in a natural way to produce q-analogues of Pascal matrices of two variables by Z. Zhang and M. Liu as follows [...] We also find two different matrix products for [...]
Carlo Mereghetti, Beatrice Palano (2000)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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Mika Mattila, Pentti Haukkanen (2016)
Special Matrices
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Let T = {z1, z2, . . . , zn} be a finite multiset of real numbers, where z1 ≤ z2 ≤ · · · ≤ zn. The purpose of this article is to study the different properties of MIN and MAX matrices of the set T with min(zi , zj) and max(zi , zj) as their ij entries, respectively.We are going to do this by interpreting these matrices as so-called meet and join matrices and by applying some known results for meet and join matrices. Once the theorems are found with the aid of advanced methods, we also...