Güncel Gönderiler: Matematik Bölümü
Toplam kayıt 548, listelenen: 241-260
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The graph based on Gröbner-Shirshov bases of groups
(Springer, 2013)Let us consider groups G(1) = Z(k) * (Z(m) * Z(n)), G(2) = Z(k) x (Z(m) * Z(n)), G(3) = Z(k) * (Z(m) x Z(n)), G(4) = (Z(k) * Z(l)) * (Z(m) * Z(n)) and G(5) = (Z(k) * Z(l)) x (Z(m) * Z(n)), where k, l, m, n = 2. In this ... -
On some classes of submanifolds satisfying chen's equality in an euclidean space
(2011)We study submanifolds satisfying Chen's equality in an Euclidean space. Firstly, we consider projectively semi-symmetric submanifolds satisfying Chen's equality in an Euclidean space. We also study submanifolds satisfying ... -
Expanded lie group method applied to generalized boussinesq equation
(2011)In this study, Generalized Bossinesq Equation reduced to previously unknown target ordinary differential equation by applying the Expanded Lie group transformation and similarity reduction. Morover, obtained target ordinary ... -
Approximation in Morrey-Smirnov classes
(2011)The Morrey-Smirnov classes EP, α(G), 0 < α ≤ 2 and p > 1, of the analytic functions in the domain G with a rectifiable Jordan boundary are defined. In these classes the inverse theorem of approximation theory is proved and ... -
Tuning of fractional order PI λ D μ controller with response surface methodology
(2012)This paper presents response surface methodology for tuning of fractional order PI λ D μ controller of a fractional order diffusion system subject to input hysteresis which is defined with Riemann-Liouville fractional ... -
Time-fractional boundary optimal control of thermal stresses
(2012)In this paper, a temperature field described by a fractional heat subconduction equation with a boundary temperature control is considered. The foundation of an optimal boundary control to take the thermal stress under ... -
Some approximation problems for (α, ψ)-differentiable functions in weighted variable exponent lebesgue spaces
(2012)We prove direct and inverse theorems for (α, ψ)-differentiable functions in weighted variable exponent Lebesgue spaces. We also define a Besov type space and obtain some properties of this space. Bibliography: 29 titles -
Numerical solution of a two-dimensional anomalous diffusion problem
(Springer New York, 2012)In this chapter, we present the numerical solution of a space-time fractional anomalous diffusion problem in two-dimensional space. Space derivatives with respect to x and y variables are defined in terms of Riesz-Feller ... -
An approximation of conformal mappings on smooth domains: An International Journal
(Taylor & Francis Ltd, 2013)Let G be a finite domain with z(0)G and bounded by a Jordan curve L:G. The Bieberbach polynomials (n), n=1,2,..., associated with the pair (G,z(0)) can be used to approximate the conformal mapping phi(0) from G to ... -
Approximation properties of some summation methods in the Smirnov classes with variable exponent
(Amer Inst Physics, 2016)Let G subset of C be a finite simple connected domain with a rectifiable Dini-smooth boundary Gamma. In this work, the approximation properties of the De Vallee Poussin and Jackson means in the variable exponent Smirnov ... -
Approximation of functions of weighted lebesgue and smirnov spaces
(2012)In this work we investigate the inverse approximation problems in the Lebesgue and Smirnov spaces with weights satisfying the so-called Mucken-houpt's A p condition in terms of the α-th mean modulus of smoothness, α > 0. ... -
Approximation by trigonometric polynomials of functions having (α, ψ)- derivatives in weighted variable exponent lebesgue spaces
(2012)We prove direct simultaneous and converse approximation theorems by trigonometric polynomials for functions f and (α, ψ)-derivatives of f in weighted Lebesgue spaces with variable exponent. Bibliography: 11 titles. -
A fractional order dynamical trajectory approach for optimization problem with HPM
(Springer New York, 2012)In this paper, the homotopy perturbation method (HPM) is applied to solve nonlinear programming (NLP) problem on the basis of the fractional order differential equations system. The trajectory of the proposed fractional ... -
Classification of metallic shaped hypersurfaces in real space forms
(Scientific Technical Research Council Turkey-Tubitak, 2015)We define the notion of a metallic shaped hypersurface and give the full classification of metallic shaped hypersurfaces in real space forms. We deduce that every metallic shaped hypersurface in real space forms is a ... -
Grobner-shirshov bases of some weyl groups
(Rocky Mt Math Consortium, 2015)In this paper, we obtain Crobner-Shirshov (non-commutative) bases for the n-extended affine Weyl group (W) over tilde of type A(1), elliptic Weyl groups of types A(1)((1,1)) A(1)((1,1))* and the 2-extended affine Weyl group ... -
Knit products of some groups and their applications
(C E D A M Spa Casa Editr Dott Antonio Milani, 2009)Let G be a group with subgroups A and K (not necessarily normal) such that G = AK and A boolean AND K = {1}. Then G is isomorphic to the knit product, that is, the "two-sided semidirect product" of K by A. We note that ... -
Gluing and hilbert functions of monomial curves
(Amer Physical Soc, 2009)In this article, by using the technique of gluing semigroups, we give infinitely many families of 1-dimensional local rings with non-decreasing Hilbert functions. More significantly, these are local rings whose associated ... -
Approximation of continuous functions by de la Vallée-Poussin means of Fourier series on hexagonal domains
(2013)For a Hölder continuous function f, periodic with respect to the hexagon lattice, deviations of generalized de la Vallée-Poussin means Vλn (f) and classical de la Vallée-Poussin means Vn2n (f) of its hexagonal Fourier ... -
Approximation by trigonometric polynomials in weighted rearrangement invariant spaces
(Croatian Mathematical Soc, 2009)We investigate the approximation properties of trigonometric polynomials and prove some direct and inverse theorems for polynomial approximation in weighted rearrangement invariant spaces. -
Symmetry reduction of chazy equation
(Hikari Ltd, 2014)In this study, invariant group of the Chazy Equation found by symmerty group analysis. First and second reduction made by the method of differential invariant. This equation is finally reduced to first-order ODE. Solution ...
