نتایج جستجو برای: frac tional calculus

تعداد نتایج: 68331  

Journal: :Journal of Theoretical Probability 2021

Abstract In this paper, we prove the existence of strong solutions to an stochastic differential equation with a generalized drift driven by multidimensional fractional Brownian motion for small Hurst parameters $$H&lt;\frac{1}{2}.$$ H &lt; 1 2 </m...

2014

The Food Research and Action Center (FRAC) is pleased to re-launch FRAC Focus: Obesity and Poverty. This periodical e-newsletter focuses on obesity as it relates to lowincome children and adults, looking at the intersection of obesity, income, food insecurity, the federal nutrition programs, and federal food and nutrition policy. Each issue highlights relevant research and reports recently rele...

1995
Christian Holm Wolfhard Janke

We investigated numerically an Ising model coupled to two-dimensional Euclidean gravity with spherical topology, using Regge calculus with the dl=l path-integral measure to discretize the gravita-tional interaction. Previous studies of this system with toroidal topol-ogy have shown that the critical behavior of the Ising model remains in the at-space Onsager universality class, contrary to the ...

Journal: :Foundations and Trends in Networking 2017
Jörg Liebeherr

The network calculus is a framework for the analysis of communication net-works, which exploits that many computer network models become tractablefor analysis if they are expressed in a min-plus or max-plus algebra. In amin-plus algebra, the network calculus characterizes amounts of traffic andavailable service as functions of time. In a max-plus algebra, the network cal-cul...

The harmonic index of a graph $G$, denoted by $H(G)$, is defined asthe sum of weights $2/[d(u)+d(v)]$ over all edges $uv$ of $G$, where$d(u)$ denotes the degree of a vertex $u$. Hu and Zhou [Y. Hu and X. Zhou, WSEAS Trans. Math. {bf 12} (2013) 716--726] proved that for any bicyclic graph $G$ of order $ngeq 4$, $H(G)le frac{n}{2}-frac{1}{15}$ and characterize all extremal bicyclic graphs.In this...

Journal: :Archivum mathematicum 2023

Using Maxwell’s mental imagery of a tube fluid motion an imaginary fluid, we derive his equations $\operatorname{curl} \mathbf{E} = -\frac{\partial \mathbf{B}}{\partial t}$, \mathbf{H} \frac{\partial \mathbf{D}}{\partial t} + \mathbf{j}$, $\operatorname{div} \mathbf{D} \varrho $, \mathbf{B} 0$, which together with the constituting relations $\mathbf{D} \varepsilon _0 \mathbf{E}$, $\mathbf{B} \m...

2006
Nathaniel Rothman Martyn T. Smith Richard B. Hayes Robert D. Traver Betty-ann Hoener Sharan Campleman Gui-Lan Li Mustafa Dosemeci Martha Linet Luoping Zhang Liqiang Xi Sholom Wacholder Wei Lu Kathleen B. Meyer Nina Titenko-Holland James T. Stewart Songnian Yin David Ross

Benzene is a ubiquitous occupational hematotoxin and leukemogen, but people vary in their response to this toxic agent. To evaluate the impact of interindividual variation in enzymes that activate (i.e., CYP2E1) and detoxify (i.e., NQO1) benzene and its metabolites, we carried out a case control study in Shanghai, China, of occupational benzene poisoning (BP; i.e., hematotoxicity), which we sho...

Journal: :Symmetry Integrability and Geometry-methods and Applications 2022

We give an analogue of the classical exponential map on Lie groups for Hopf $*$-algebras with differential calculus. The major difference case is interpretation value map, classically element group. interpretations as states algebra, elements a Hilbert $C^{*} $-bimodule $\frac{1}{2}$ densities and dual algebra. examples complex valued functions $S_{3}$ $\mathbb{Z}$, Woronowicz's matrix quantum ...

Journal: :Optics express 2004
K Yamane T Kito R Morita M Yamashita

Using 3.6- and 5.3-fs pulses, we demonstrated theoretically and experimentally that fringe-resolved autocorrelation (FRAC) traces are distorted by bandwidth limitations of the second-harmonic generation (SHG) in 10-microm-thick, type I ss-BaB2O4 for pulses shorter than sub-5 fs. In addition, detailed numerical analysis of the SHG showed that the optimum crystal angle where the FRAC trace distor...

2006
Odette Perin-Roussel Bernard Ekert Pierre Jacquignon

Dibenzo(a,e)fluoranthene (DBF), a highly carcinogenic polycyclic hydrocarbon without an apparent K-region, binds covalently to DNA, transfer RNA, and polyribonucleotides when incubated with hepatic microsomal frac tions under standard conditions. Optimal binding condi tions for [3H]DBF were established. Methylcholanthrene-pretreated mouse liver microsomes induced a higher level of binding of [ ...

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