نتایج جستجو برای: fuzzy resolvent equation

تعداد نتایج: 319746  

1996
Gábor Papp

Abstract.We summarize some recent results on the application of macroscopic spectral properties of random matrix models (RMM) to the QCD spectra. A comparison to existing lattice simulation is presented both for staggered and Wilson fermions for high but finite temperature. We consider two type of mixing between the four lowest Matsubara modes, corresponding to third and fifth order algebraic e...

2012
HANS CHRISTIANSON

We consider a family of surfaces of revolution, each with a single periodic geodesic which is degenerately unstable. We prove a local smoothing estimate for solutions to the linear Schrödinger equation with a loss that depends on the degeneracy, and we construct explicit examples to show our estimate is saturated on a weak semiclassical time scale. As a byproduct of our proof, we obtain a cutof...

Journal: :Journal of the Mathematical Society of Japan 2003

2017
Abdelati El Allaoui Said Melliani Lalla Saadia Chadli

The objective of this paper is to study the existence and uniqueness of Mild solutions for a complex fuzzy evolution equation with nonlocal conditions that accommodates the notion of fuzzy sets defined by complex-valued membership functions. We first propose definition of complex fuzzy strongly continuous semigroups. We then give existence and uniqueness result relevant to the complex fuzzy evo...

2016
Xue Ping Wang XUE PING WANG

In this work, we use scattering method to study the Kramers-FokkerPlanck equation with a potential whose gradient tends to zero at the infinity. For short-range potentials in dimension three, we show that complex eigenvalues do not accumulate at low-energies and establish the low-energy resolvent asymptotics. This combined with high energy pseudospectral estimates valid in more general situatio...

2008
Mattias LIEFVENDAHL

We prove nonlinear stability for finite amplitude perturbations of plane Couette flow. A bound of the solution of the resolvent equation in the unstable complex half-plane is used to estimate the solution of the full nonlinear problem. The result is a lower bound, including Reynolds number dependence, of the threshold amplitude below which all perturbations are stable. Our result is an improvem...

Journal: :CoRR 2011
M. A. El-Dosuky T. T. Hamza M. Z. Rashad A. H. Naguib

interpreter for logic programs Input: a goal G and a program P Output: an instance of G that is a logical consequence of P, or no otherwise. Algorithm: 1 2 3 4 5 6 7 8 9 initialize the resolvent to G. while the resolvent is not empty do choose a goal A from the resolvent choose a (renamed) clause A’ B1, ..., Bn from P such that A and A’ unify with MGU Θ. (if no such goal and clause exist, exit ...

Journal: :iranian journal of fuzzy systems 0
mojtaba ghanbari department of mathematics, aliabad katoul branch, islamic azad university, aliabad katoul, iran

in this paper, a  fuzzy numerical procedure for solving fuzzy linear volterra integro-differential equations of the second kind under strong  generalized differentiability is designed. unlike the existing numerical methods, we do not replace the original fuzzy equation by a $2times 2$ system ofcrisp equations, that is the main difference between our method  and other numerical methods.error ana...

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