Yeni eklenenler

Image encryption technique based on fractional chaotic time series

Wu, Guo-Cheng; Baleanu, Dumitru; Lin, Zhen-Xiang (Sage Publications LTD, 2016-05)

Chaos in discrete fractional maps has been reported very recently. In this study, the chaotic time series of fractional order is used in the scrambling technique and a novel image encryption scheme is designed. The fractional ...

Necessary and sufficient condition for existence of periodic solutions of predator-prey dynamic systems with Beddington-DeAngelis-type functional response

Pelen, Neslihan Nesliye; Güvenilir, Ayşe Feza; Kaymakçalan, Billur (Springer Open, 2016-01-22)

We consider two-dimensional predator-prey systems with Beddington-DeAngelis-type functional response on periodic time scales. For this special case, we try to find the necessary and sufficient conditions for the considered ...

A new approach for one-dimensional sine-Gordon equation

Akgül, Ali; İnç, Mustafa; Kılıçman, Adem; Baleanu, Dumitru (Springer, 2016-01-08)

In this work, we use a reproducing kernel method for investigating the sine-Gordon equation with initial and boundary conditions. Numerical experiments are studied to show the efficiency of the technique. The acquired ...

Dualisation of the symmetric space sigma model with couplings

Dereli, Tekin; Yılmaz, Nejat T. (Elsevier Science BV, 2005-01-17)

The first-order formulation of the G/K symmetric space sigma model of the scalar cosets of the supergravity theories is discussed when there is coupling of (m - 1)-form matter fields. The Lie superalgebra which enables the ...

An application of derivative and continuous wavelet transforms to the overlapping ratio spectra for the quantitative multiresolution of a ternary mixture of paracetamol, acetylsalicylic acid and caffeine in tablets

Dinç, Erdal; Özdemir, Abdil; Baleanu, Dumitru (Elsevier Science BV, 2005-01-15)

Quantitative multi resolution of tablets and ternary mixtures of paracetamol (PAR), acetylsalicylic acid (ASP) and caffeine (CAF) having strongly overlapping spectra was accomplished by two graphical transform methods as ...

On the non-commutative neutrix product of the distributions x(r) ln(P) vertical bar x vertical bar and x(-s)

Fisher, Brian; Taş, Kenan (Taylor&Francis, 2005-03)

The non-commutative neutrix product of the distributions x(r) ln(P) \x\ and x(-s) is evaluated for r - s -2. -3,..../ p = 1, 2,....

Comparative study of the continuous wavelet transform, derivative and partial least squares methods applied to the overlapping spectra for the simultaneous quantitative resolution of ascorbic acid and acetylsalicylic acid in effervescent tablets

Dinç, Erdal; Özdemir, Abdil; Baleanu, Dumitru (Elsevier Science BV, 2005-03-09)

The simultaneous spectrophotometric determination of ascorbic acid (AA) and acetylsalicylic acid (ASA) in effervescent tablets in the presence of the overlapping spectra was accomplished by the continuous wavelet transform ...

Chemometric calibration based on the wavelet transform for the quantitative resolution of two-colorant mixtures

Dinç, Erdal; Baleanu, Dumitru; Üstündağ, O.; Taş, Kenan (Editura Academiei Romane, 2005-04)

In this study we proposed a wavelet transform (WT) followed by two chemometric techniques for the quantitative determination of sunset yellow (SUN) and tartrazine (TAR) in their market samples. Absorbances of the concentration ...

Metafluid dynamics and Hamilton-Jacobi formalism

Baleanu, Dumitru (Inst Physics Acad Sci Czech Republic, 2005-04)

Metafluid dynamics was investigated within Hamilton-Jacobi formalism and the existence of the hidden gauge symmetry was analyzed. The obtained results are in agreement with those of Faddeev-Jackiw approach.

Lagrangians with linear velocities within Riemann-Liouville fractional derivatives

Baleanu, Dumitru; Avkar, Tansel (Societa Italiana Di Fisica, 2004-01)

Lagrangians linear in velocities were analyzed using the fractional calculus and the Euler-Lagrange equations were derived. Two examples were investigated in details; the explicit solutions of Euler-Lagrange equations were ...

Reparametrization invariance and Hamilton-Jacobi formalism

Baleanu, Dumitru (Societa Italiana Di Fisica, 2004-01)

Systems invariant under the reparametrization of time were treated as constrained systems within the Hamilton-Jacobi formalism. After imposing the integrability conditions the tune-dependent Schrodinger equation was obtained. ...

Variational formulation of the Schrodinger field

Baleanu, Dumitru (Inst Physics Acad Sci Czech Republic, 2003-11)

The variational formulation of the Schrodinger field was investigated and the applicability of the chain method was analyzed. Using Batalin-Fradkin-Tyutin formalism a gauge invariant theory was constructed.

Hamilton-Jacobi and symplectic analysis of a particle constrained on a circle

Baleanu, Dumitru; Güler, Yurdahan (Inst Physics Acad Sci Czech Republic, 2003-09)

Hamilton-Jacobi and modified Faddeev-Jackiw methods were applied to investigate the motion of a particle moving on a circle. The results of both methods were found to be equivalent with those of Dirac's formalism. Besides, ...

Quantization of classical fields with fractional derivatives

Muslih, Sami I.; Baleanu, Dumitru (Soc Italiana Fisica, 2005-05)

The classical fields with fractional derivatives are investigated by using the Lagrangian formulation. The path integral formulation for Dirac field with fractional derivatives of order 2/3 and a non-relativistic particle ...

Non-polynomial fourth order equations which pass the Painleve test

Jarad, Fahd; Mugan, U. (Walter De Gruyter GMBH, 2005-06)

The singular point analysis of fourth order ordinary differential equations in the non-polynomial class are presented. Some new fourth order ordinary differential equations which pass the Painleve test as well as the known ...

The convolution of functions and distributions

Fisher, Brian; Taş, Kenan (Academic Press INC Elsevier Science, 2005-06-01)

The non-commutative convolution f * g of two distributions f and g in V is defined to be the limit of the sequence {(f tau(n)) * g}, provided the limit exists, where {tau(n)} is a certain sequence of functions in D converging ...

Dualisation of the D=9 matter coupled supergravity

Yılmaz, Nejat T. (Springer, 2005-06)

We perform the bosonic dualisation of the matter coupled N = 1, D = 9 supergravity. We derive the Lie superalgebra which parameterizes the coset map whose Cartan form realizes the second-order bosonic field equations. ...

Multi-Hamilton-Jacobi quantization of O(3) nonlinear sigma model

Baleanu, Dumitru; Güler, Yurdahan (World Scientific Publ CO PTE LTD, 2001)

The O(3) nonlinear sigma model is investigated using multi-Hamilton-Jacobi formalism. The integrability conditions are investigated and the results are in agreement with those obtained by Dirac's method. By choosing an ...

Chain and Hamilton-Jacobi approaches for systems with purely second-class constraints

Baleanu, Dumitru; Güler, Yurdahan (Soc Italiana Fisica, 2003-06)

The equivalence of the chain method and Hamilton-Jacobi formalism is demonstrated. The stabilization algorithm of Hamilton-Jacobi formalism is clarified and two examples are presented in details.

A zero-crossing technique for the multidetermination of thiamine HCl and pyridoxine HCl in their mixture by using one-dimensional wavelet transform

Dinç, Erdal; Baleanu, Dumitru (Pergamon-Elsevier Science LTD, 2003-04-01)

A new zero-crossing technique based on one-dimensional wavelet transform (WT) was developed and applied on a commercial vitamin product and binary mixtures containing thiamine HCl and pyridoxine HCl in the presence of the ...

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