نتایج جستجو برای: random xed point

تعداد نتایج: 790924  

2007
Tatjana Dosenovic

The inequality Ffx;fy(qs) Fx;y(s) (s 0), where q 2 (0; 1), is generalized for multivalued mappings in many directions. Using Hausdor distance S.B. Nadler in [7] introduced a generalization of Banach contraction principle in metric spaces. In [3] the de nition of probabilistic Nadler q-contraction is given. Using some results given in [12] a xed point theorem on spaces with a convex structure is...

Journal: :ITA 1999
Helmut Seidl Damian Niwinski

For every xed-point expression e of alternation-depth r, we construct a new xed-point expression e 0 of alternation-depth 2 and size O(r jej). Expression e 0 is equivalent to e whenever operators are distributive and the underlying complete lattice has a co-continuous least upper bound. We show that our transformation is optimal not only w.r.t. alternation-depth but also w.r.t. the increase in ...

1991
Hans Koch Peter Wittwer

We give a new proof for the existence of a non{Gaussian hierarchical renormalization group xed point, using what could be called a beta{function for this problem. We also discuss the asymptotic behavior of this xed point, and the connection between the hierarchical models of Dyson and Gallavotti. 1 Supported in Part by the National Science Foundation under Grant No. DMS{8802590. 2 Supported in ...

2016
David Barrera

In this paper we study the asymptotic behavior of the normalized cadlag functions generated by the discrete Fourier transforms of a stationary centered squareintegrable process, started at a point. We prove that the quenched invariance principle holds for averaged frequencies under no assumption other than ergodicity, and that the result holds also for almost every xed frequency under a certain...

Journal: :Russian Mathematical Surveys 2000

Journal: :Discrete Mathematics 2000
Michelle A. Donalies Bernd S. W. Schröder

Xia’s algorithm consists of a reduction algorithm and a translation procedure both originally used to tackle the xed point property for ordered sets. We present results that show that the translation procedure allows access to a much wider range of problems and results showing that the algorithm is very e cient when applied to the xed point property in ordered sets or for order=graph isomorphis...

Journal: :Physical review. A, Atomic, molecular, and optical physics 1991
Bidaux Lubachevsky Privman

We report numerical and analytical studies of the nite size time scales in a system with microscopic stochastic dynamics which in the bulk limit corresponds to an evolution equation with an accumulation point of critical xed points. Our results suggest that the nite size behavior is dominated not by uctuations but by the bottleneck statistical weights at near-xed-point conditions in a nite-size...

Journal: :Math. Oper. Res. 2012
Hiroki Nishimura Efe A. Ok

This paper provides a systematic solvability analysis for (generalized) variational inequalities on separable Hilbert lattices. By contrast to a large part of the existing literature, our approach is lattice-theoretic, and is not based on topological …xed point theory. This allows us to establish the solvability of certain types of (generalized) variational inequalities without requiring the in...

2007
M. Arnold

The complex-logarithmic number system (CLNS), which represents each complex point in log/polar coordinates, may be practical to implement the Fast Fourier Transform (FFT). The roots of unity needed by the FFT have exact representations in CLNS and do not require a ROM. We present an error analysis and simulation results for a radix-two FFT that compares a rectangular xed-point representation of...

2009
Jinyong Hahn John Ham Hyungsik Roger Moon

Comparisons of within and between estimators using the conventional Hausman test may be subject to statistical problems if the within variation is not su¢ ciently large. Adopting an alternative asymptotic approximation, we propose a modi…cation of Hausman test that is valid whether the within variation is small or large. 1 Introduction With the advent of many panel data sets, researchers are co...

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