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The hyperbolicity constant of infinite circulant graphs
(Open Mathematics, 2017-03-30)
The space X is hyperbolic.in the Gromov sense/ if any side of T is contained in a neighborhood of the union of the two other sides, for every geodesic triangle T in X. Deciding whether or not a graph is hyperbolic is usually ...
Approximation to the study of water quality
(Applied Mathematical Sciences, 2018-03-25)
The main objective of this study is to propose a discrete approach to water quality study, applied to freshwater ecosystems, through the uctuations in the populations of benthic macroinvertebrates and their tolerance to pollution.
Spectral study of the Geometric-Arithmetic Index
(Communications in Mathematical and in Computer Chemistry, 2015-11-14)
The concept of geometric-arithmetic index was introduced in the chemical graph theory recently, but it has shown to be useful. One of the main aims of algebraic graph theory is to determine how, or whether, properties of ...
Stochastic black-scholes equation with time-fractional derivative on the half-line
(International Journal of Pure and Applied Mathematics, 2016-01)
We investigate the pricing of options using a modified Black-Scholes equation with a time-fractional derivative and additive white noise on the half-line. We construct the Green function for the initial-boundary value ...
Holder norm estimate for the fractal Hilbert transform in Douglis analysis
(Springer, 2016-01)
The main goal of this paper is to estimate the Hölder norm of a fractal version of the Hilbert transform in the Douglis analysis context acting from Hölder spaces of Douglis algebra valued functions defined on h-summable curves.
Hölder norm estimate for the fractal Hilbert transform in Douglis analysis
(Springer, 2017-03-21)
Douglis analysis is an alternative approach to complex methods for the investigation of linear and uniformly elliptic systems of 2n equations for 2n desired real-valued functions. The function theory associated with the ...