Results 41 to 50 of about 13,449 (192)

A New Iteration Method for Nonexpansive Mappings and Monotone Mappings in Hilbert Spaces

open access: yesJournal of Inequalities and Applications, 2010
We introduce a new composite iterative scheme by the viscosity approximation method for nonexpansive mappings and monotone mappings in a Hilbert space. It is proved that the sequence generated by the iterative scheme converges strongly to a common point ...
Jong Soo Jung
doaj   +2 more sources

Inequalities for finite trigonometric sums. An interplay: with some series related to harmonic numbers

open access: yesJournal of Inequalities and Applications, 2016
An interplay between the sum of certain series related to harmonic numbers and certain finite trigonometric sums is investigated. This allows us to express the sum of these series in terms of the considered trigonometric sums, and permits us to find ...
Omran Kouba
doaj   +1 more source

Mortality inequalities in times of economic growth: time-trends in socio-economic and regional inequalities in under-5 mortality in Indonesia, 1982-1997

open access: yes, 2006
Study objective: To examine time trends in socioeconomic and regional inequalities in under 5 mortality in Indonesia during almost two decades of economic growth.
Houweling, A.J. (Tanja)   +15 more
core   +1 more source

Inequalities in Geometry and Applications

open access: yes, 2021
This book presents the recent developments in the field of geometric inequalities and their applications. The volume covers a vast range of topics, such as complex geometry, contact geometry, statistical manifolds, Riemannian submanifolds, optimization ...

core   +1 more source

The unreasonable ubiquitousness of quasi-polynomials [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2013
A function $g$, with domain the natural numbers, is a quasi-polynomial if there exists a period $m$ and polynomials $p_0,p_1,\ldots,p_m-1$ such that $g(t)=p_i(t)$ for $t\equiv i\bmod m$.
Kevin Woods
doaj   +1 more source

Chen-Type Inequalities for PS-Submanifolds in Complex Space Forms

open access: yesAxioms
In this paper, we investigate Chen’s δ-invariant for partially slant (PS) submanifolds of complex space forms. A PS-submanifold admits an orthogonal decomposition of the tangent bundle into a proper slant distribution and an arbitrary ambiguous ...
Md Aquib
doaj   +1 more source

B.‐Y. Chen inequalities for semislant submanifolds in Sasakianspace forms [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
Chen (1993) established a sharp inequality for the sectional curvature of a submanifold in Riemannian space forms in terms of the scalar curvature and squared mean curvature. The notion of a semislant submanifold of a Sasakian manifold was introduced by J. L. Cabrerizo, A. Carriazo, L. M. Fernandez, and M. Fernandez (1999).
openaire   +1 more source

On the planar Kirchhoff-type problem involving supercritical exponential growth

open access: yesAdvances in Nonlinear Analysis, 2022
This article is concerned with the following nonlinear supercritical elliptic problem: −M(‖∇u‖22)Δu=f(x,u),inB1(0),u=0,on∂B1(0),\left\{\begin{array}{ll}-M(\Vert \nabla u{\Vert }_{2}^{2})\Delta u=f\left(x,u),& \hspace{0.1em}\text{in}\hspace{0.1em}\hspace ...
Zhang Limin, Tang Xianhua, Chen Peng
doaj   +1 more source

Pinching Results for Submanifolds in Lorentzian–Sasakian Manifolds Endowed with a Semi-Symmetric Non-Metric Connection

open access: yesMathematics
We establish an improved Chen inequality involving scalar curvature and mean curvature and geometric inequalities for Casorati curvatures, on slant submanifolds in a Lorentzian–Sasakian space form endowed with a semi-symmetric non-metric connection. Also,
Mohammed Mohammed   +2 more
doaj   +1 more source

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