Results 11 to 20 of about 312,373 (317)

The Derivative of a Monotonic Discontinuous Function [PDF]

open access: bronzeProceedings of the American Mathematical Society, 1965
where fn(x) takes the values 0, 1/2, and 1 on the sets x xn, respectively. We modify his construction by replacing the coefficients 2-n with appropriate values cn. By hypothesis, { xn} = nE (Ej open, EjDEj+,). For each j, let E(U, k) } denote the family of components of Ej.
G. Piranian
openalex   +2 more sources

A necessary and sufficient condition for sequences to be minimal completely monotonic

open access: yesAdvances in Difference Equations, 2020
In this article, we present a necessary and sufficient condition under which sequences are minimal completely monotonic.
Xi-Feng Wang   +3 more
doaj   +1 more source

Bounds for completely monotonic degree of a remainder for an asymptotic expansion of the trigamma function

open access: yesArab Journal of Basic and Applied Sciences, 2021
In the paper, the author presents bounds for completely monotonic degree of a remainder for an asymptotic expansion of the trigamma function. This result partially confirms one in a series of conjectures on completely monotonic degrees of remainders of ...
Feng Qi
doaj   +1 more source

Complete monotonicity involving some ratios of gamma functions

open access: yesJournal of Inequalities and Applications, 2017
In this paper, by using the properties of an auxiliary function, we mainly present the necessary and sufficient conditions for various ratios constructed by gamma functions to be respectively completely and logarithmically completely monotonic.
Zhen-Hang Yang, Shen-Zhou Zheng
doaj   +1 more source

A Note on Superspirals of Confluent Type

open access: yesMathematics, 2020
Superspirals include a very broad family of monotonic curvature curves, whose radius of curvature is defined by a completely monotonic Gauss hypergeometric function.
Jun-ichi Inoguchi   +2 more
doaj   +1 more source

Electron transport and energy relaxation in dilute magnetic alloys [PDF]

open access: yes, 2003
We consider the effect of the RKKY interaction between magnetic impurities on the electron relaxation rates in a normal metal. The interplay between the RKKY interaction and the Kondo effect may result in a non-monotonic temperature dependence of the ...
A. I. Larkin   +30 more
core   +1 more source

Improving Point and Interval Estimates of Monotone Functions by Rearrangement [PDF]

open access: yes, 2008
Suppose that a target function is monotonic, namely, weakly increasing, and an available original estimate of this target function is not weakly increasing.
Chernozhukov, Victor   +2 more
core   +5 more sources

On monotonic bijections on subgroups of R

open access: yesApplied General Topology, 2016
We show that for any continuous monotonic  bijection $f$ on a $\sigma$-compact subgroup  $G\subset \mathbb R$ there exists a binary operation $+_f$ such that $\langle G, +_f\rangle$  is a topological group topologically isomorphic to $\langle G, +\rangle$
Raushan Buzyakova
doaj   +1 more source

The spatial stability of a class of similarity solutions [PDF]

open access: yes, 1984
The spatial stability of a class of exact similarity solutions of the Navier–Stokes equations whose longitudinal velocity is of the form xf′(y), where x is the streamwise coordinate and f′(y) is a function of the transverse, cross‐streamwise, coordinate ...
Brady, J. F., Durlofsky, L.
core   +1 more source

NUMERICAL METHOD OF OPTIMIZATION THE CONSTRUCTION OF RADIOELECTRONIC DEVICE BY MANUFACTURABILITY CRITERION

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2016
The numerical method of optimization the construction of radio-electronic device at early design stages by criterion of manufacturability when the area of tolerances in space of input variables in which all points restrictions on a manufacturability ...
G. Kh. Irzaev
doaj   +1 more source

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