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Browsing Matematik / Mathematics by Issue Date

Browsing Matematik / Mathematics by Issue Date

Now showing items 21-40 of 191

On the one-parameter Lorentzian spherical motions and Euler-Savary formula

Tosun, Murat; Güngör, Mehmet Ali; Okur, İbrahim (ASME, 2007)

In this paper we have introduced one-parameter Lorentzian spherical motion. In addition to that, we have given the relations between the absolute, relative, and sliding velocities of these motions. Furthermore, the relations ...
On sectional curvatures of the generalized surfaces correspond to each other under symmetric helical motion of order k in the euclidean space E(n)

Tosun, Murat (NORTH UNIV BAIA MARE, 2008)

The purpose of the paper is to present a summary of known results and to discuss sectional curvatures of fixed and moving axoids corresponding to each other under helical motion of order k in E(n) and study some of their ...
Notes on linear combinations of two tripotent, idempotent, and involutive matrices that commute

Özdemir, Halim; Sarduvan, Murat (OVIDIUS UNIV PRESS, 2008)

The aim of this paper is to provide alternate proofs of all the results of our previous paper [2] in the particular case when the given two matrices A(1) and A(2) in the linear combination A = c(1)A(1) + c(2)A(2) commute.
ON Delta-LACUNARY STATISTICAL ASYMPTOTICALLY EQUIVALENT SEQUENCES

Başarır, Metin; Altundağ, Selma (UNIV NIS, FAC SCI MATH, 2008)

This paper presents new definitions which are a natural combination of the definition for asymptotically equivalence Delta-lacunary statistically convergence. Using this definitions we have proved the S-theta(L) ...
On linear combinations of two tripotent, idempotent, and involutive matrices

Sarduvan, Murat; Özdemir, Halim (ELSEVIER SCIENCE INC, 2008)

Let A = c(1)A(1) + c(2)A(2), where c(1), c(2) are nonzero complex numbers and (A(1), A(2)) is a pair of two n x n nonzero matrices. We consider the problem of characterizing all situations where a linear combination of the ...
On idempotency and tripotency of linear combinations of two commuting tripotent matrices

Özdemir, Halim; Sarduvan, Murat; Güler, Nesrin (ELSEVIER SCIENCE INC, 2009)

Let T-1 and T-2 be two nonzero commuting n x n tripotent matrices and c(1), c(2) two nonzero complex numbers. Necessary and sufficient conditions for the tripotency and the idempotency of c(1)T(1) + c(2)T(2) are obtained. ...
On Suborbital Graphs for the Normalizer of Gamma(0)(N)

Keskin, Refik; Demirtürk Bitim, Bahar (ELECTRONIC JOURNAL OF COMBINATORICS, 2009)

where n>1, v is an element of Q boolean OR {infinity} and T is an elliptic mapping of order k in the normalizer of Gamma(0)(N).
On Generalized Paranormed Statistically Convergent Sequence Spaces Defined by Orlicz Function

Başarır, Metin; Altundağ, Selma (HINDAWI PUBLISHING CORPORATION, 2009)

We define generalized paranormed sequence spaces (c) over bar(sigma, M, p, q, s), (c) over bar (0)(sigma, M, p, q, s) m(sigma, M, p, q, s), and m(0)(sigma, M, p, q, s) defined over a seminormed sequence space (X, q). We ...
On the Generalized B-m-Riesz Difference Sequence Space and beta-Property

Başarır, Metin (SPRINGER INTERNATIONAL PUBLISHING AG, 2009)

We introduce the generalized Riesz difference sequence space r(q)(p, B-m) which is defined by r(q)(p, B-m) = {x = (x(k)) is an element of w : B(m)x is an element of r(q)(p)} where r(q)(p) is the Riesz sequence space defined ...
Dual Lorentzian spherical motions and dual Euler-Savary formula

Güngör, Mehmet Ali; Ersoy, Soley; Tosun, Murat (GAUTHIER-VILLARS/EDITIONS ELSEVIER, 2009)

In this paper, defining one-parameter dual Lorentzian motion in three-dimensional dual Lorentzian space D(1)(3) and we have obtained the relations between the absolute, relative and sliding velocities of these motions. In ...
SECTIONAL CURVATURE OF TIMELIKE RULED SURFACE PART I: LORENTZIAN BELTRAMI-EULER FORMULA

Ersoy, Soley; Tosun, Murat (SHIRAZ UNIV, 2010)

In this paper, the Lorentzian version of Beltrami-Euler formula is investigated in R(1)(n). Initially, the first fundamental form and the metric coefficients of generalized timelike ruled surface are calculated and by the ...
Solutions of some quadratic Diophantine equations

Keskin, Refik (PERGAMON-ELSEVIER SCIENCE LTD, 2010)

In this study, we investigate positive integer solutions of the Diophantine equations x(2) - kxy(sic)y(2)(sic)x = 0 and x(2)-kxy-y(2)(sic)y = 0. It is shown that when k > 3,x2-kxy+y(2)+x = 0 has no positive integer solutions ...
Some topological and geometric properties of generalized Euler sequence space

Başarır, Metin; Öztürk, Mahpeyker (VERSITA, 2010)

In this paper, we introduce the Euler sequence space e (r) (p) of nonabsolute type and prove that the spaces e (r) (p) and l(p) are linearly isomorphic. Besides this, we compute the alpha-, beta- and gamma-duals of the ...
ON THE GENERALIZED RIESZ B-DIFFERENCE SEQUENCE SPACES

Başarır, Metin (UNIV NIS, FAC SCI MATH, 2010)

In this paper, we define the new generalized Riesz B-difference sequence spaces r(infinity)(q) (p, B), r(c)(q) (p, B), r(0)(q) (p, B) and r(q) (p,B) which consist of the sequences whose R(q)B-transforms are in the linear ...
Global Asymptotic Stability of Solutions to Nonlinear Marine Riser Equation

Gür, Şevket (HINDAWI PUBLISHING CORPORATION, 2010)

This paper studies initial boundary value problem of fourth-order nonlinear marine riser equation. By using multiplier method, it is proven that the zero solution of the problem is globally asymptotically stable.
Continuous Dependence for the Pseudoparabolic Equation

Yaman, Metin; Gür, Şevket (HINDAWI PUBLISHING CORPORATION, 2010)

We determine the continuous dependence of solution on the parameters in a Dirichlet-type initial-boundary value problem for the pseudoparabolic partial differential equation.
Electric dipole strength distribution below the E1 giant resonance in N=82 nuclei

Guliyev, Ali; Güner, Mehmet (DE GRUYTER OPEN LTD, 2010)

In this study quasiparticle random-phase approximation with the translational invariant Hamiltonian using deformed mean field potential has been conducted to describe electric dipole excitations in Xe-136, Ba-138, Ce-140, ...
Euler savary formula for the one parameter motions in the complex plane C

Masal, Melek; Tosun, Murat; Azak, Ayşe Zeynep (ACADEMIC JOURNALS, 2010)

Muller (1978), in the Euclidean plane E-2 introduced the one parameter planar motions and obtained the relation between absolute, relative, sliding velocities (and accelerations). During one parameter planar motion in the ...
Lamarle formula in 3-dimensional Lorentz space

Ersoy, Soley; Tosun, Murat (UNIV OSIJEK, DEPT MATHEMATICS, 2011)

The Lamarle Formula is known as a relationship between the Gaussian curvature and the distribution parameter (Drall) of a ruled surface in the surface theory, [12]. In R-1(3), the non-null ruled surfaces were investigated ...
Fibonacci and Lucas Congruences and Their Applications

Keskin, Refik; Demirtürk Bitim, Bahar (SPRINGER HEIDELBERG, 2011)

In this paper we obtain some new identities containing Fibonacci and Lucas numbers. These identities allow us to give some congruences concerning Fibonacci and Lucas numbers such as L2mn+k equivalent to (-1)((m+1)n) L-k ...