Results 1 to 10 of about 383 (40)

An Application of Fuzzy Multiple Linear Regression in Biological Paradigm

open access: yesComplexity, 2022
The regression model is generally utilized in several fields of study because of its applications. Regression is an extremely incredible approach; it builds up a connection between dependent and independent variables.
Saima Mustafa   +6 more
doaj   +2 more sources

Convex combination of analytic functions

open access: yesOpen Mathematics, 2017
Radii of convexity, starlikeness, lemniscate starlikeness and close-to-convexity are determined for the convex combination of the identity map and a normalized convex function F given by f(z) = α z+(1−α)F(z).
Cho Nak Eun   +2 more
doaj   +1 more source

An improved Schwarz Lemma at the boundary

open access: yesOpen Mathematics, 2018
We obtain an new boundary Schwarz inequality, for analytic functions mapping the unit disk to itself. The result contains and improves a number of known estimates.
Mercer Peter R.
doaj   +1 more source

Length problems for Bazilevič functions

open access: yesDemonstratio Mathematica, 2019
Let C(r) denote the curve which is image of the circle |z| = r < 1 under the mapping f . Let L(r) be the length of C(r) and A(r) the area enclosed by the curve C(r).
Nunokawa Mamoru   +2 more
doaj   +1 more source

Toeplitz matrices whose elements are coefficients of Bazilevič functions

open access: yesOpen Mathematics, 2018
We consider the Toeplitz matrices whose elements are the coefficients of Bazilevič functions and obtain upper bounds for the first four determinants of these Toeplitz matrices.
Radhika Varadharajan   +3 more
doaj   +1 more source

Differential subordination and convexity criteria of integral operators

open access: yesOpen Mathematics, 2017
A significant connection between certain second-order differential subordination and subordination of f′(z) is obtained. This fundamental result is next applied to investigate the convexity of analytic functions defined in the open unit disk.
Chandrashekar R.   +2 more
doaj   +1 more source

A generalized Schwarz lemma for two domains related to μ-synthesis

open access: yesComplex Manifolds, 2018
We present a set of necessary and sufficient conditions that provides a Schwarz lemma for the tetrablock E. As an application of this result, we obtain a Schwarz lemma for the symmetrized bidisc G2.
Pal Sourav, Roy Samriddho
doaj   +1 more source

On differential subordinations for a class of analytic functions defined by a linear operator

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 42, Page 2219-2230, 2004., 2004
We obtain several results concerning the differential subordination between analytic functions and a linear operator defined for a certain family of analytic functions which are introduced here by means of these linear operators. Also, some special cases are considered.
V. Ravichandran   +3 more
wiley   +1 more source

Contractive curves

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 30, Issue 4, Page 227-238, 2002., 2002
We discuss the dynamics of the correspondences associated to those plane curves whose local sections contract the Poincaré metric in a hyperbolic planar domain.
Araceli Bonifant, Marius Dabija
wiley   +1 more source

Spatial decay estimates for a class of nonlinear damped hyperbolic equations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 27, Issue 1, Page 17-26, 2001., 2001
This paper is concerned with investigating the spatial decay estimates for a class of nonlinear damped hyperbolic equations. In addition, we compare the solutions of two‐dimensional wave equations with different damped coefficients and establish an explicit inequality which displays continuous dependence on this coefficient.
F. Tahamtani, K. Mosaleheh, K. Seddighi
wiley   +1 more source

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