نتایج جستجو برای: homotopy

تعداد نتایج: 9775  

Journal: :international journal of mathematical modelling and computations 0
s. m. mirzaei faculty of science, minoodasht branch, islamic azad university, iran iran, islamic republic of department of mathematics

in this paper, we will compare a homotopy perturbation algorithm and taylor series expansin method for a system of second kind fredholm integral equations. an application of he’s homotopy perturbation method is applied to solve the system of fredholm integral equations. taylor series expansin method reduce the system of integral equations to a linear system of ordinary differential equation.

2003
PHILIPPE GAUCHER P. GAUCHER

A functor is constructed from the category of globular CW-complexes to that of flows. It allows to compare the S-homotopy equivalences (resp. the T-homotopy equivalences) of globular complexes with the S-homotopy equivalences (resp. the T-homotopy equivalences) of flows. Moreover, one proves that this functor induces an equivalence of categories from the localization of the category of globular...

Journal: :Topology and its Applications 2006

Journal: :Symmetry 2022

Homotopy coherence has a considerable history, albeit also by other names. For this volume highlighting symmetries, the appropriate use is homotopy of representations, at one time known as representations up to homotopy/homotopy coherent representations. We present brief semi-historical survey, providing some links that may not be common knowledge.

آ. عزیزی, ا بابلیان ج. سعیدیان

Although homotopy-based methods, namely homotopy analysis method andhomotopy perturbation method, have largely been used to solve functionalequations, there are still serious questions on the convergence issue of thesemethods. Some authors have tried to prove convergence of these methods, butthe researchers in this article indicate that some of those discussions are faulty.Here, after criticizi...

Journal: :نظریه تقریب و کاربرد های آن 0
آ عزیزی دانشگاه پیام نور تهران ج سعیدیان دانشگاه خوارزمی تهران ا بابلیان دانشگاه خوارزمی تهران

although homotopy-based methods, namely homotopy analysis method andhomotopy perturbation method, have largely been used to solve functionalequations, there are still serious questions on the convergence issue of thesemethods. some authors have tried to prove convergence of these methods, butthe researchers in this article indicate that some of those discussions are faulty.here, after criticizi...

Journal: :Applied Categorical Structures 2016
Vladimir Dotsenko Norbert Poncin

For a Koszul operad P , there are several existing approaches to the notion of a homotopy between homotopy morphisms of homotopy P-algebras. Some of those approaches are known to give rise to the same notions. We exhibit the missing links between those notions, thus putting them all into the same framework. The main nontrivial ingredient in establishing this relationship is the homotopy transfe...

M. Matinfar Z. Raeisi

A. Noor et al. [7] analyze a technique by combining the variational iteration method and the homotopy perturbation method which is called the variational homotopy perturbation method (VHPM) for solving higher dimensional initial boundary value problems. In this paper, we consider the VHPM to obtain exact solution to Gas Dynamics equation.

S. M. Mirzaei

In this paper, we will compare a Homotopy perturbation algorithm and Taylor series expansin method for a system of second kind Fredholm integral equations. An application of He’s homotopy perturbation method is applied to solve the system of Fredholm integral equations. Taylor series expansin method reduce the system of integral equations to a linear system of ordinary differential equation.

G. Davoudi H. Towsyfyan

In this work, the Blasius equation is studied. Homotopy perturbation method (HPM) and homotopy analysis method (HAM) are applied to obtain its solution. Comparison with variational iteration method (VIM) is made to highlight the significant features of employed methods and their capability of handling nonlinear problems. The outcome shows the success of (HPM) and (HAM) for solving nonlinear pro...

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