Results 11 to 20 of about 830,057 (130)

Convergence of block iterative methods for linear systems arising in the numerical solution of Euler equations [PDF]

open access: yes, 1991
Elsner L, Mehrmann V. Convergence of block iterative methods for linear systems arising in the numerical solution of Euler equations. Numerische Mathematik.
Mehrmann, Volker, Elsner, Ludwig
core   +1 more source

一类矩阵特征值的不等式及其在Fischer不等式证明中的应用(An eigenvalue inequality of a class of matrices and its applications in proving the Fischer inequality)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2017
The Hadamard inequality and Fischer inequality play an important role in the matrix study. Many articles have addressed these inequalities providing new proofs, noteworthy extensions, generalizations, refinements, counterparts and applications.
ZHANGHuamin(张华民)   +1 more
doaj   +1 more source

On a group of the form $3^{7}{:}Sp(6,2)$ [PDF]

open access: yesInternational Journal of Group Theory, 2016
‎The purpose of this paper is the determination of the inertia‎ ‎factors‎, ‎the computations of the Fischer matrices and the ordinary‎ ‎character table of the split extension $overline{G}=‎ ‎3^{7}{:}Sp(6,2)$ by means of Clifford-Fischer Theory‎.
Ayoub Basheer, Jamshid Moori
doaj  

The character table of a subgroup $2^7{:}G_2 (2)$ of $Sp_8(2)$ [PDF]

open access: yesAUT Journal of Mathematics and Computing
In this paper, the ordinary character table of a finite extension of structure $\overline{G}=2^7{:}G_2(2)$ is computed via the Fischer-Clifford matrices technique.
Abraham Prins   +2 more
doaj   +1 more source

Fischer matrices of Dempwolff group $2^{5}{^{cdot}}GL(5,2)$ [PDF]

open access: yesInternational Journal of Group Theory, 2012
In cite{Demp2} Dempwolff proved the existence of a group of theform $2^{5}{^{cdot}}GL(5,2)$ (a non split extension of theelementary abelian group $2^{5}$ by the general linear group$GL(5,2)$).
Ayoub Basheer Mohammed Basheer   +1 more
doaj  

Refined enumeration of symmetry classes of alternating sign matrices [PDF]

open access: yes, 2021
We prove refined enumeration results on several symmetry classes as well as related classes of alternating sign matrices with respect to classical boundary statistics, using the six-vertex model of statistical physics. More precisely, we study vertically
Fischer, Ilse, Saikia, Manjil
core   +1 more source

Pairwise comparison matrices: an empirical research [PDF]

open access: yes, 2011
Our research focused on testing various characteristics of pairwise comparison (PC) matrices in controlled experiments. About 270 students have been involved in the test exercises and the final pool contained 450 matrices.
Dezső, Linda   +3 more
core   +3 more sources

Polymeric Catalysts Synthesized by the Hydrothermal Metal Deposition in the Fischer-Tropsch Synthesis

open access: yesChemical Engineering Transactions, 2019
The search of the novel stable and active catalysts for the Fischer-Tropsch synthesis aimed at the formation of gasoline-range hydrocarbons is one of the main directions for the production of liquid transportation fuels from the alternative feedstock ...
Mariia E. Markova   +6 more
doaj   +1 more source

The Fischer-Clifford matrices of the inertia group 2^7:O-(6,2) of a maximal subgroup 2^7:SP(6,2) in SP(8,2) [PDF]

open access: yesInternational Journal of Group Theory, 2013
The subgroups of symplectic groups which fix a non-zero vector of the underlying symplectic space are called affine subgroups. The split extension group A(4) = 2^7:SP(6,2) is the affine subgroup of the symplectic group SP(8,2) of index 255. In this paper,
Richard Llewellyn Fray   +1 more
doaj  

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