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Finite volume schemes on Lorentzian manifolds
(International Press of BostonCommunications in Mathematical Sciences, 2008)We investigate the numerical approximation of (discontinuous) entropy solutions to nonlinear hyperbolic conservation laws posed on a Lorentzian manifold. Our main result establishes the convergence of monotone and firstorder ... 
Fixed point free action on groups of odd order
(Elsevier BVJournal of Algebra, 20087)Let A be a finite abelian group that acts fixed point freely on a finite (solvable) group G. Assume that G is odd and A is of squarefree exponent coprime to 6. We show that the Fitting length of G is bounded by the ... 
Description of Barely Transitive Groups with Soluble Point Stabilizer
(Informa UK LimitedCommunications in Algebra, 200964)We describe the barely transitive groups with abelianbyfinite, nilpotentbyfinite and solublebyfinite point stabilizer. In article [6] Hartley asked whether there is a torsionfree barely transitive group. One consequence ... 
The scaled Hermite–Weber basis in the spectral and pseudospectral pictures
(Springer Science and Business Media LLCJournal of Mathematical Chemistry, 200510)Computational efficiencies of the discrete (pseudospectral, collocation) and continuous (spectral, RayleighRitz, Galerkin) variable representations of the scaled HermiteWeber basis in finding the energy eigenvalues of ... 
A projectionbased stabilized finite element method for steadystate natural convection problem
(Elsevier BVJournal of Mathematical Analysis and Applications, 20119)We formulate a projectionbased stabilization finite element technique for solving steadystate natural convection problems. In particular, we consider heat transport through combined solid and fluid media. This stabilization ... 
Cotton flow
(IOP PublishingClassical and Quantum Gravity, 200885)Using the conformallyinvariant Cotton tensor, we define a geometric flow, the Cotton flow, which is exclusive to three dimensions. This flow tends to evolve the initial metrics into conformally flat ones, and is somewhat ... 
Tame concealed algebras and cluster quivers of minimal infinite type
(Elsevier BVJournal of Pure and Applied Algebra, 200710)The wellknown list of Happel–Vossieck of tame concealed algebras in terms of quivers with relations, and the list of A. Seven of minimal infinite cluster quivers are compared. There is a 11 correspondence between the ... 
Fixedpoint free action of an abelian group of odd nonsquarefree exponent
(Cambridge University Press (CUP)Proceedings of the Edinburgh Mathematical Society, 2011119)<jats:title>Abstract</jats:title><jats:p>Let <jats:italic>A</jats:italic> be a finite group acting fixedpoint freely on a finite (solvable) group <jats:italic>G</jats:italic>. A longstanding conjecture is that if ... 
Stabilizing subgrid FEM solution of the natural convection flow under high magnitude magnetic field on sinusoidal corrugated enclosure
(Informa UK LimitedInternational Journal of Computer Mathematics, 201977)This study deals with the stabilized finite element solution of the steady, natural convection flow in an enclosure under a magnetic field applied perpendicular to the sinusoidal corrugated vertical walls of the enclosure, ... 
Evaluation of selected kaolins as raw materials for the Turkish cement and concrete industry
(Mineralogical SocietyClay Minerals, 20076)<jats:title>Abstract</jats:title><jats:p>Turkey has a long tradition (starting with prehistoric civilizations) and experience in exploring for raw clay materials and processing them into ceramic products. Many of these ... 
Multidimensional cyclic codes and Artin–Schreier type hypersurfaces over finite fields
(Elsevier BVFinite Fields and Their Applications, 20081)We obtain a trace representation for multidimensional cyclic codes via Delsarte's theorem. This relates the weights of the codewords to the number of affine rational points of ArtinSchreier type hypersurfaces over finite ... 
Subgrid Stabilized Defect Correction Methods for the Navier–Stokes Equations
(Society for Industrial & Applied Mathematics (SIAM)SIAM Journal on Numerical Analysis, 20061)We consider the synthesis of a recent subgrid stabilization method with defect correction methods. The combination is particularly efficient and combines the best algorithmic features of each. We prove convergence of the ... 
A DRBEM solution for MHD pipe flow in a conducting medium
(Elsevier BVJournal of Computational and Applied Mathematics, 20143)Numerical solutions are given for magnetohydrodynamic (MHD) pipe flow under the influence of a transverse magnetic field when the outside medium is also electrically conducting. Convectiondiffusiontype MHD equations for ... 
Liyorke chaos in hybrid systems on a time scale
(WORLD SCIENTIFIC PUBL CO PTE LTD, 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPOREInternatıonal Journal Of Bıfurcatıon And Chaos, 20151230)By using the reduction technique to impulsive differential equations [Akhmet & Turan, 2006], we rigorously prove the presence of chaos in dynamic equations on time scales (DETS). The results of the present study are based ...