نتایج جستجو برای: uniform embedding

تعداد نتایج: 183526  

Journal: :Annales de l'Institut Fourier 2022

We generalize all known results on rigidity of uniform Roe algebras to the setting arbitrary uniformly locally finite coarse spaces. For instance, we show that isomorphism between spaces whose contain only compact ghost projections implies base are coarsely equivalent. Moreover, if one has property A, then bijectively also provide a characterization for existence an embedding onto hereditary su...

Journal: :transactions on combinatorics 0
farhad rahmati amirkabir university of technology ali mahdavi amirkabir university of technology

let $fneq1,3$ be a positive integer‎. ‎we prove that there exists a numerical semigroup $s$ with embedding dimension three such that $f$ is the frobenius number of $s$‎. ‎we also show that‎ ‎the same fact holds for affine semigroups in higher dimensional monoids‎.

H. Miar- Naimi, M. Zabihi,

Abstract— This paper presents a novel approach to obtain fast locking PLL by embedding a nonlinear element in the loop of PLL. The nonlinear element has a general parametric Taylor expansion. Using genetic algorithm (GA) we try to optimize the nonlinear element parameters. Embedding optimized nonlinear element in the loop shows enhancements in speed and stability of PLL. To evaluate the perform...

Journal: :Electronic Journal of Probability 2023

We prove that the SLE? loop measure arises naturally from conformal welding of two ?-Liouville quantum gravity (LQG) disks for ?2=??(0,4). The proof relies on our companion work LQG and uses as an essential tool concept uniform embedding surfaces. Combining result with Gwynne Miller, we get random quadrangulations decorated by a self-avoiding polygon converge in scaling limit to sphere SLE8?3 l...

Journal: :اکو هیدرولوژی 0
محمد ذونعمت کرمانی عضو هیات علمی، بخش مهندسی آب، دانشگاه شهید باهنر کرمان، کرمان، ایران خاطره امیرخانی کارشناس ارشد مهندسی منابع آب، دانشگاه شهید باهنر کرمان، کرمان، ایران مجید رحیم پور عضو هیات علمی، بخش مهندسی آب، دانشگاه شهید باهنر کرمان، کرمان، ایران

in this research the chaocity of precipitation time series in daily, weekly and monthly scales in the pole-kohneh and ghourbaghestan stations located in qarah-soo watershed is investigated. in order to reassure about the absence of stochastic behavior of the time series, method of surrogate data is applied. thereafter, the aperiodicity of the time series is investigated using power spectrum ana...

Journal: :bulletin of the iranian mathematical society 2015
s. ‎saiedinezhad m. b. ghaemi

‎by considering a degenerate $p(x)-$laplacian equation‎, ‎a generalized compact embedding in weighted variable‎ ‎exponent sobolev space is presented‎. ‎multiplicity of positive solutions are discussed by applying fibering map approach for the‎ ‎corresponding nehari manifold‎.

Journal: :bulletin of the iranian mathematical society 0
m. fakhar department of mathematics‎, ‎university of isfahan‎, ‎isfahan 81745--163‎, ‎iran‎, ‎and‎, ‎school of mathematics‎, ‎institute for research in fundamental sciences (ipm)‎, ‎p.o‎. ‎box: ‎19395--5746‎, ‎tehran‎, ‎iran. m. r. koushesh department of mathematical sciences‎, ‎isfahan university of technology‎, ‎isfahan 84156--83111‎, ‎iran‎, ‎and‎, ‎school of mathematics‎, ‎institute for research in fundamental sciences (ipm)‎, ‎p.o‎. ‎box‎: ‎19395--5746‎, ‎tehran‎, ‎iran. m. raoofi department of mathematical sciences‎, ‎isfahan university of technology‎, ‎isfahan 84156--83111‎, ‎iran.

‎it is well known that every (real or complex) normed linear space $l$ is isometrically embeddable into $c(x)$ for some compact hausdorff space $x$‎. ‎here $x$ is the closed unit ball of $l^*$ (the set of all continuous scalar-valued linear mappings on $l$) endowed with the weak$^*$ topology‎, ‎which is compact by the banach--alaoglu theorem‎. ‎we prove that the compact hausdorff space $x$ can ...

Journal: :iranian journal of fuzzy systems 2009
iffat jahan

we show that the lattice of all ideals of a ring $r$ can be embedded in the lattice of all its fuzzyideals in uncountably many ways. for this purpose, we introduce the concept of the generalizedcharacteristic function $chi _{s}^{r} (a)$ of a subset $a$ of a ring $r$ forfixed $r , sin [0,1] $ and show that $a$ is an ideal of $r$ if, and only if, its generalizedcharacteristic function $chi _{s}^{...

Journal: :Expert Syst. Appl. 2016
Hayat Al-Dmour Ahmed Al-Ani

In this paper, we present a novel image steganography algorithm that combines the strengths of edge detection and XOR coding, to conceal a secretmessage either in the spatial domain or an IntegerWavelet Transform (IWT) based transform domain of the cover image. Edge detection enables the identification of sharp edges in the cover image that when embedding in would cause less degradation to the ...

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