Results 31 to 40 of about 5,027,539 (269)

On Benford’s Law and the Coefficients of the Riemann Mapping Function for the Exterior of the Mandelbrot Set

open access: yesFractal and Fractional, 2022
We investigate Benford’s law in relation to fractal geometry. Basic fractals, such as the Cantor set and Sierpinski triangle are obtained as the limit of iterative sets, and the unique measures of their components follow a geometric distribution, which ...
Filippo Beretta   +5 more
doaj   +1 more source

Generalized Gompertz-power series distributions

open access: yes, 2015
In this paper, we introduce the generalized Gompertz-power series class of distributions which is obtained by compounding generalized Gompertz and power series distributions.
Jafari, Ali Akbar, Tahmasebi, Saeid
core   +1 more source

Power series rings and projectivity

open access: yes, 2005
We show that a formal power series ring $A[[X]]$ over a noetherian ring $A$ is not a projective module unless $A$ is artinian. However, if $(A,{\mathfrak m})$ is local, then $A[[X]]$ behaves like a projective module in the sense that $Ext^p_A(A[[X]], M ...
Buchweitz, R. -O., Flenner, H.
core   +3 more sources

Energy-optimal current distribution in an electrical network – controlling by the differential or the integral systems [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2019
In the complex RLC network, apart from the currents flows arising from the normal laws of Kirchhoff, other distributions of current, resulting from certain optimization criteria, may also be received.
M. Siwczyński, S. Żaba, A. Drwal
doaj   +1 more source

Norm and Numerical Radius Inequalities for Sums of Power Series of Operators in Hilbert Spaces

open access: yesAxioms
The main focus of this paper is on establishing inequalities for the norm and numerical radius of various operators applied to a power series with the complex coefficients h(λ)=∑k=0∞akλk and its modified version ha(λ)=∑k=0∞|ak|λk. The convergence of h(λ)
Najla Altwaijry   +2 more
doaj   +1 more source

Exponentiation in power series fields

open access: yes, 1996
We prove that for no nontrivial ordered abelian group G, the ordered power series field R((G)) admits an exponential, i.e. an isomorphism between its ordered additive group and its ordered multiplicative group of positive elements, but that there is a ...
Kuhlmann, Franz-Viktor   +2 more
core   +4 more sources

Dietary Protein Intake and Peritoneal Protein Losses in Peritoneal Dialysis Patients

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Peritoneal dialysis (PD) patients lose protein in their waste dialysate, potentially increasing their risk for malnutrition. We wished to determine whether there was any association between losses and dietary protein intake (DPI). Methods DPI was assessed from 24‐h dietary recall using Nutrics software.
Haalah Shaaker, Andrew Davenport
wiley   +1 more source

Two Points Taylor’s Type Representations for Analytic Complex Functions with Integral Remainders

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
In this paper we establish some two point weighted Taylor’s expansions for analytic functions f : D ⊆ ℂ→ ℂ defined on a convex domain D. Some error bounds for these expansions are also provided.
Dragomir Silvestru Sever
doaj   +1 more source

A solution for the neutron diffusion equation in the spherical and hemispherical reactors using the residual power series

open access: yesFrontiers in Physics, 2023
A novel analytical solution to the neutron diffusion equation is proposed in this study using the residual power series approach for both spherical and hemispherical fissile material reactors.
Ahmad El-Ajou   +4 more
doaj   +1 more source

An irreducibility criterion for power series

open access: yes, 2016
We prove an irreducibility criterion for polynomials with power series coefficients generalizing previous known results concerning quasi-ordinary ...
Rond, Guillaume, Schober, Bernd
core   +3 more sources

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