Results 11 to 20 of about 302,425 (284)

General multiplicative Zagreb indices of graphs with given clique number [PDF]

open access: yesOpuscula Mathematica, 2019
We obtain lower and upper bounds on general multiplicative Zagreb indices for graphs of given clique number and order. Bounds on the basic multiplicative Zagreb indices and on the multiplicative sum Zagreb index follow from our results. We also determine
Tomáš Vetrík, Selvaraj Balachandran
doaj   +1 more source

On the Reformulated Multiplicative First Zagreb Index of Trees and Unicyclic Graphs

open access: yesDiscrete Dynamics in Nature and Society, 2021
The multiplicative first Zagreb index of a graph H is defined as the product of the squares of the degrees of vertices of H. The line graph of a graph H is denoted by LH and is defined as the graph whose vertex set is the edge set of H where two vertices
Akbar Ali   +4 more
doaj   +1 more source

Lower bounds on the orders of subgroups connected with Agrawal conjecture

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2013
Explicit lower bounds are obtained on the multiplicative orders of subgroups of a finite field connected with primality proving algorithm.
R. Popovych
doaj   +1 more source

On the multiplicative order of elements in Wiedemann's towers of finite fields

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2015
We consider recursive binary finite field extensions $E_{i+1} =E_{i} (x_{i+1} )$, $i\ge -1$, defined by D. Wiedemann. The main object of the paper is to give some proper divisors of the Fermat numbers $N_{i} $ that are not equal to the multiplicative ...
R. Popovych
doaj   +1 more source

Quasi-Tree Graphs With Extremal General Multiplicative Zagreb Indices

open access: yesIEEE Access, 2020
Zagreb indices and their modified versions of a molecular graph are important molecular descriptors which can be applied in characterizing the structural properties of organic compounds from different aspects. In this article, by exploring the structures
Jianwei Du, Xiaoling Sun
doaj   +1 more source

Time-scale analysis of abrupt changes corrupted by multiplicative noise [PDF]

open access: yes, 2000
Multiplicative Abrupt Changes (ACs) have been considered in many applications. These applications include image processing (speckle) and random communication models (fading).
Castanié, Francis   +2 more
core   +2 more sources

Propagating Residual Biases in Cosmic Shear Power Spectra

open access: yesThe Open Journal of Astrophysics, 2019
In this paper we derive a full expression for the propagation of multiplicative and additive shape measurement biases into the cosmic shear power spectrum.
Thomas D. Kitching   +3 more
doaj   +2 more sources

Multiplicative renormalizability and quark propagator [PDF]

open access: yes, 2002
The renormalized Dyson-Schwinger equation for the quark propagator is studied, in Landau gauge, in a novel truncation which preserves multiplicative renormalizability. The renormalization constants are formally eliminated from the integral equations, and
A. Kizilersu   +35 more
core   +2 more sources

The Influence of Multiplicative Noise and Fractional Derivative on the Solutions of the Stochastic Fractional Hirota–Maccari System

open access: yesAxioms, 2022
We address here the space-fractional stochastic Hirota–Maccari system (SFSHMs) derived by the multiplicative Brownian motion in the Stratonovich sense. To acquire innovative elliptic, trigonometric and rational stochastic fractional solutions, we employ ...
Farah M. Al-Askar   +3 more
doaj   +1 more source

Stochastically ordered multiple regression [PDF]

open access: yesBiostatistics, 2010
In various application areas, prior information is available about the direction of the effects of multiple predictors on the conditional response distribution. For example, in epidemiology studies of potentially adverse exposures and continuous health responses, one can typically assume a priori that increasing the level of an exposure does not lead ...
Bornkamp, Björn   +2 more
openaire   +3 more sources

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