نتایج جستجو برای: j زانتن

تعداد نتایج: 270725  

2011
Fengrong Zhang Changpin Li

The stability of n-dimensional linear fractional differential systems with commensurate order 1 < α < 2 and the corresponding perturbed systems is investigated. By using the Laplace transform, the asymptotic expansion of the Mittag-Leffler function, and the Gronwall inequality, some conditions on stability and asymptotic stability are given.

2016
Rubayyi T. Alqahtani R. T. Alqahtani

The power law has been used to construct the derivative with fractional order in Caputo and RiemannLiouville sense, if we viewed them as a convolution. However, it is not always possible to find the power law behaviour in nature. In 2016 Abdon Atangana and Dumitru Baleanu proposed a derivative that is based upon the generalized Mittag-Leffler function, since the Mittag-Leffler function is more ...

1970
George Mountney

2005
A. Vengellur J. M. Phillips J. B. Hogenesch J. J. LaPres

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Journal: :Applied Mathematics and Computation 2014
Khaled M. Furati Olaniyi Samuel Iyiola Mokhtar Kirane

We propose a method for determining the solution and source term of a generalized timefractional diffusion equation. The method is based on selecting a bi-orthogonal basis of L space corresponding to a nonself-adjoint boundary value problem. Uniqueness is proven and an existence result is obtained for smooth initial and final conditions. The asymptotic behavior of the generalized Mittag–Leffler...

2003
PATRICK BROSNAN V. Chernousov S. Gille

I generalize the standard notion of the composition g ◦ f of correspondences f : X → Y and g : Y → Z to the case that X and Z are arbitrary varieties but Y is smooth and projective. Using this notion, I give a short self-contained proof of Rost’s “nilpotence theorem” and a generalization of one important result used by Rost in his proof of the nilpotence theorem.

Journal: :Electr. J. Comb. 2013
Andrew Berget J. A. Dias da Silva Amélia Fonseca

Symmetrizations of tensors by irreducible characters of the symmetric group serve as natural analogues of symmetric and skew-symmetric tensors. The question of when a symmetrized decomposable tensor is non-zero is intimately related to the rank partition of a matroid extracted from the tensor. In this paper we characterize the non-vanishing of the symmetrization of certain partially symmetrized...

Journal: :Entropy 2013
Yuriy Povstenko

The problem of fractional heat conduction in a composite medium consisting of a spherical inclusion ) 0 ( R r   and a matrix ) (    r R being in perfect thermal contact at R r  is considered. The heat conduction in each region is described by the time-fractional heat conduction equation with the Caputo derivative of fractional order 2 0   and , 2 0    respectively. The Laplace trans...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1393

در این مطالعه، خاکستر پوسته برنج (rha) و یک فرم اصلاح شده آن (rha-so3h)به عنوان یک معرف کارآمد برای واکنش های آلی معرفی شده است. همچنین cro3 در حضور rha به عنوان یک معرف موثر برای اکسایش الکل ها، تری متیل سایلیل، تتراهیدروپیرانیل و متوکسی متیل اترها معرف شده است. در این مطالعه، الکل ها و فنول ها با هگزامتیل دی سیلازان در حضور rha-so3h، تری متیل سایلیله شد و محافظت زدایی از آن ها نیز انجام شده...

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