نتایج جستجو برای: differential equation

تعداد نتایج: 481414  

Journal: :bulletin of the iranian mathematical society 0
a. ebadian department of mathematics, payame noor university, p.o. box 19395-3697, tehran, iran. s. rahrovi department of mathematics, faculty of basic science, university of bonab, p.o. box 5551-761167, bonab, iran. s. shams department of mathematics‎, ‎urmia university, urmia‎, ‎iran. j. sokol department of mathematics‎, ‎rzesz'ow university of technology‎, ‎poland‎.

‎we determine the‎ ‎form of polynomially bounded solutions to the loewner differential ‎equation that is satisfied by univalent subordination chains of the‎ ‎form $f(z,t)=e^{int_0^t a(tau){rm d}tau}z+cdots$‎, ‎where‎ ‎$a:[0,infty]rightarrow l(mathbb{c}^n,mathbb{c}^n)$ is a locally‎ ‎lebesgue integrable mapping and satisfying the condition‎ ‎$$sup_{sgeq0}int_0^inftyleft|expleft{int_s^t‎ ‎[a(tau)...

Journal: :bulletin of the iranian mathematical society 0
a. shokri department of mathematics‎, ‎faculty of basic science‎, ‎university‎ ‎of maragheh‎, ‎p.o‎. ‎box 55181-83111‎, ‎maragheh‎, ‎iran. h. saadat department of mathematics‎, ‎faculty of basic science‎, ‎university‎ ‎of maragheh‎, ‎p.o‎. ‎box 55181-83111‎, ‎maragheh‎, ‎iran.

many simulation algorithms (chemical reaction systems, differential systems arising from the modeling of transient behavior in the process industries and etc.) contain the numerical solution of systems of differential equations. for the efficient solution of the above mentioned problems, linear multistep methods or runge-kutta technique are used. for the simulation of chemical procedures the ra...

Journal: :international journal of marine science and engineering 2012
m. r. tabeshpour r. shoghi

tension-leg platform (tlp) is a vertically moored floating structure. the platform is permanently mooredby tendons. surge equation of motion of tlp is highly nonlinear because of large displacement and it should be solved with perturbation parameter in time domain. this paper compare the dynamic motion responses of a tlp in regular sea waves obtained by applying three method in time domain usin...

2005
G. MATZ

Über die statistische Beschreibung nichtstationärer Mobilfunkkanäle. In diesem Artikel wird die statistische Beschreibung von Mobilfunkkanälen behandelt, welche nicht die Annahme schwach stationärer unkorrelierter Streuer erfüllen. Besondere Beachtung hierbei findet die lokale Streufunktion. Die vorgestellten Methoden, welche besonders für schwach dispersive und schwach korrelierte Kanäle geeig...

2009
Gilberto Colangelo Stefan Lanz Emilie Passemar

We present a new dispersive analysis of the isospin breaking decay η → 3π. The resulting representation of the decay amplitude allows us to determine the quark mass double ratio Q and we find as a preliminary result Q = 22.3 ± 0.4. Finally, we discuss a number of improvements that we intend to implement in the future.

2005
Jeffrey Humpherys JEFFREY HUMPHERYS

We consider the class of viscous-dispersive and higherorder conservation laws. We generalize the work of Kawashima & Shizuta, and others, by extending to higher-order the notions of symmetrizability, strict dissipativity, and genuine coupling. We prove, for symmetrizable systems, that strict dissipativity is equivalent to both (i) genuine coupling and (ii) the existence of a skewsymmetric compe...

Journal: :J. Comput. Physics 2011
Yogesh G. Bhumkar Manoj K. Rajpoot Tapan K. Sengupta

Article history: Received 1 August 2010 Received in revised form 3 November 2010 Accepted 17 November 2010 Available online 27 November 2010

1992
Howard Georgi

I analyze D-D mixing using the techniques of heavy quark effect field theory. [1] The analysis suggests that the there may be important cancellations among the dispersive effects of different kinds of final states, so that the total mixing may be considerably smaller than previous estimates. [2, 3]

1974
B. F. L. Ward

Using the natural differential dispersive character of the renormalization group, we give a possible explanation of the present high energy data for e+ehadrons. *Work supported in part by the U.S. Atomic Energy Commission.

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