Results 171 to 180 of about 531 (214)

The Shadow Presence of U.S. Models of Parental Involvement in Postcolonial Multilingual Language and Literacy Reforms in Western Highland Mayan Rural School Districts in Guatemala

Journal of Sociolinguistics, EarlyView.
ABSTRACT This study offers a critique of imperialist relations implicit in U.S. Agency for International Development (USAID) pedagogical texts and capacity‐building resources designed to support decolonial Indigenous Mayan language and literacy instruction.
Jennifer F. Reynolds
wiley   +1 more source

Introduction to Regimenting Postcolonial Multilingualism: Discourses of Speaker/Listener Ideological Positioning

Journal of Sociolinguistics, EarlyView.
ABSTRACT This introduction explores ways of understanding multilingualism in relation to coloniality, with insights from ethnographic case studies in former colonies across several continents. We argue that this theme series advances theorization of the subtleties of power inherent in multilingual discourse with a focus on listening subject agency as ...
Kathe Managan, Jacqueline H. E. Messing
wiley   +1 more source

Fluctuating asymmetry based on fractal geometry does not track environmental stress in an intertidal habitat‐forming fucoid

Journal of Phycology, EarlyView.
Abstract The availability of easy‐to‐measure and inexpensive biomarkers is a challenge for monitoring environmental stress in organisms. Although it has been proposed that non‐directional deviations from a symmetrical pattern in morphological traits (called fluctuating asymmetry.
Antonio Flores‐Moya, Ignacio J. Melero‐Jiménez, María J. García‐Sánchez, Elena Bañares‐España   +3 more
wiley   +1 more source

Derivation of the Fractal Path Integral

Derivation of the Fractal Path Integral
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Integrals and derivatives on net fractals

Chaos, Solitons & Fractals, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ren, Fu-Yao, Liang, Jin-Rong, Wang, Xiao-Tian, Qiu, Wei-Yuan   +3 more
openaire   +1 more source

A FRACTAL VARIATIONAL PRINCIPLE FOR THE TELEGRAPH EQUATION WITH FRACTAL DERIVATIVES

Fractals, 2020
A fractal modification of the telegraph equation with fractal derivatives is given, and its variational principle is established by the semi-inverse method. The two-scale transform method and He’s homotopy perturbation method are successfully adopted to solve the fractal equation.
KANG-LE WANG, SHAO-WEN Yao, YAN-PING LIU, LI-NA ZHANG   +3 more
openaire   +1 more source

The Fractional Derivatives of a Fractal Function

Acta Mathematica Sinica, English Series, 2005
The paper investigates the properties of Weyl-Marchaud fractional derivatives \[ D^vf(x) =\frac{v}{\Gamma(1-v)}\int_0^\infty \frac{f(x)-f(x-y)}{y^{1+v}}\, dy \] of a Weierstrass function \(W(t)=\sum_{j\geq 0}\lambda^{-\alpha j} \sin(\lambda^j t ...
Yao, Kui, Su, Weiyi, Zhou, Songping
openaire   +2 more sources

Solving fractal-fractional differential equations using operational matrix of derivatives via Hilfer fractal-fractional derivative sense

Applied Numerical Mathematics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
N Senu, Ali Ahmadian, Soheil Salahshour   +2 more
exaly   +2 more sources

The Local Fractional Derivative of Fractal Curves

2008 IEEE International Conference on Signal Image Technology and Internet Based Systems, 2008
Fractal curves described by iterated function system (IFS) are generally non-integer derivative. For that we use fractional derivative to investigate differentiability of this curves. We propose a method to calculate local fractional derivative of a curve from IFS property. Also we give some examples of IFS representing the slopes of the right and left
Hicham Bensoudane, Christian Gentil, Marc Neveu   +2 more
openaire   +1 more source

On Fractal Derivatives and Applications

Mathematical Methods in the Applied Sciences
ABSTRACTIn this paper, we develop some fundamental tools for fractal derivatives, such as a Leibniz‐type product rule and a chain rule. Also, a local Picard theorem for an initial value problem via fractal derivatives is obtained. Finally, the Gompertz and logistic models associated to those differential operators are considered.
Daniel Alfonso Santiesteban, Ana Portilla, José M. Rodríguez‐García, José M. Sigarreta   +3 more
openaire   +1 more source