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Dive into the research topics where Zafer Cakir is active.

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Featured researches published by Zafer Cakir.


Discrete Dynamics in Nature and Society | 2012

On the Numerical Solution of Fractional Parabolic Partial Differential Equations with the Dirichlet Condition

Allaberen Ashyralyev; Zafer Cakir

The first and second order of accuracy stable difference schemes for the numerical solution of the mixed problem for the fractional parabolic equation are presented. Stability and almost coercive stability estimates for the solution of these difference schemes are obtained. A procedure of modified Gauss elimination method is used for solving these difference schemes in the case of one-dimensional fractional parabolic partial differential equations.


Advances in Difference Equations | 2013

FDM for fractional parabolic equations with the Neumann condition

Allaberen Ashyralyev; Zafer Cakir

In the present study, the first and second order of accuracy stable difference schemes for the numerical solution of the initial boundary value problem for the fractional parabolic equation with the Neumann boundary condition are presented. Almost coercive stability estimates for the solution of these difference schemes are obtained. The method is illustrated by numerical examples.MSC:34K37, 35R11, 35B35, 39A14, 47B48.


Abstract and Applied Analysis | 2012

Stability of Difference Schemes for Fractional Parabolic PDE with the Dirichlet-Neumann Conditions

Zafer Cakir

The stable difference schemes for the fractional parabolic equation with Dirichlet and Neumann boundary conditions are presented. Stability estimates and almost coercive stability estimates with ln (1/(𝜏


Boundary Value Problems | 2014

r-Modified Crank-Nicholson difference scheme for fractional parabolic PDE

Allaberen Ashyralyev; Zafer Cakir

The second order of accuracy stable difference scheme for the numerical solution of the mixed problem for the fractional parabolic equation are presented using by r-modified Crank-Nicholson difference scheme. Stability estimate for the solution of this difference scheme is obtained. A procedure of modified Gauss elimination method is used for solving this difference scheme in the case of one-dimensional fractional parabolic partial differential equations. Numerical results for this scheme and the Crank-Nicholson scheme are compared in test examples.


INTERNATIONAL CONFERENCE ON ANALYSIS AND APPLIED MATHEMATICS (ICAAM 2014) | 2014

A note on fractional parabolic differential and difference equations

Allaberen Ashyralyev; Merdan Artykov; Zafer Cakir

In this work, the first and second order of difference schemes that approximately solve the initial-boundary value problem for multidimensional fractional parabolic equation with Dirichlet boundary condition are presented. The stability estimates for the solution of these difference schemes are established.


Journal of Inequalities and Applications | 2013

Spaces of continuous and bounded functions over the field of geometric complex numbers

Zafer Cakir

Following Grossman and Katz (Non-Newtonian Calculus, 1972), we construct the sets B(A) and C(A) of geometric complex-valued bounded and continuous functions, where A denotes the compact subset of the complex plane ℂ. We show that the sets B(A) and C(A) of complex-valued bounded and continuous functions form a vector space with respect to the addition and scalar multiplication in the sense of multiplicative calculus. Finally, we prove that B(A) and C(A) are complete metric spaces.MSC:26A06, 11U10, 08A05.


NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics | 2011

Stable Difference Schemes for Fractional Parabolic PDE

Allaberen Ashyralyev; Zafer Cakir

The stable difference schemes for the multidimensional fractional parabolic equation with Dirichlet and Neumann boundary conditions are presented. Stability estimates and almost coercive stability estimates with ln1τ+|h| for the solution of these difference schemes are obtained. A procedure of modified Gauss elimination method is used for solving these difference schemes of one‐dimensional fractional parabolic partial differential equations.


INTERNATIONAL CONFERENCE ON ANALYSIS AND APPLIED MATHEMATICS (ICAAM 2016) | 2016

Stability estimates for solution of IBVP to fractional parabolic differential and difference equations

Allaberen Ashyralyev; Zafer Cakir

In this work, we investigate initial-boundary value problems for fractional parabolic equations with the Neumann boundary condition. Stability estimates for the solution of this problem are established. Difference schemes for approximate solution of initial-boundary value problem are constructed. Furthermore, we give theorem on coercive stability estimates for the solution of the difference schemes.


FIRST INTERNATIONAL CONFERENCE ON ANALYSIS AND APPLIED MATHEMATICS: ICAAM 2012 | 2012

Fractional parabolic differential and difference equations with the Dirichlet-Neumann condition

Allaberen Ashyralyev; Nazar Emirov; Zafer Cakir

The multidimensional fractional parabolic equation with the Dirichlet-Neumann condition is studied. Stability estimates for the solution of the initial-boundary value problem for this fractional parabolic equation are established. The stable difference schemes for this problem are presented. Stability estimates for the solution of the first order of accuracy difference scheme are obtained. A procedure of modified Gauss elimination method is applied for the solution of first and second order of accuracy difference schemes of one-dimensional fractional parabolic differential equations.


Journal of Combinatorial Theory | 2018

Models and Mathematical Modelling: What Do Teachers and Preservice Teachers Know?

Yaşar Akkan; Mesut Öztürk; Pınar Akkan; Zafer Cakir

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Yaşar Akkan

Gümüşhane University

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Pınar Akkan

Gümüşhane University

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