Results 81 to 90 of about 13,449 (192)

B.Y. CHEN INEQUALITIES FOR BI-SLANT SUBMANIFOLDS IN GENERALIZED COMPLEX SPACE FORMS

open access: yes, 2010
The aim of the present paper is to study Chen inequalities for slant, bi-slant and semi-slant submanifolds in generalized complex space ...
Pawan Kumar Rao, S. S. Shukla
core  

Parametric Presburger arithmetic: logic, combinatorics, and quasi-polynomial behavior

open access: yesDiscrete Analysis, 2017
Parametric Presburger arithmetic: logic, combinatorics, and quasi-polynomial behavior, Discrete Analysis 2017:4, 34 pp. Let $T$ be a triangle with vertices $(0,0)$, $(0,1/3)$, and $(1,0)$, and let $t$ be a positive integer.
Tristram Bogart   +2 more
doaj   +1 more source

General Chen's first inequality and applications for Riemannian maps

open access: yes
In this paper, we propose \textit{general Chen's first inequality} for Riemannian maps between Riemannian manifolds and manifest its equality and sharpness via non-trivial examples. We also utilize this general inequality by establishing Chen's first inequalities when the target spaces are generalized complex and generalized Sasakian space forms ...
Singh, Ravindra   +2 more
openaire   +2 more sources

Chen-like Inequalities for Submanifolds in Kähler Manifolds Admitting Semi-Symmetric Non-Metric Connections

open access: yes
The geometry of submanifolds in Kähler manifolds is an important research topic. In the present paper, we study submanifolds in complex space forms admitting a semi-symmetric non-metric connection.
Ion Mihai, Andreea Olteanu
core   +1 more source

A Simple Proof of Chen–Ricci Inequality and Applications

open access: yesGeometry
In the present paper, we give a simple proof of the Chen–Ricci inequality for submanifolds in Riemannian and Lorentzian space forms, respectively. Moreover, we extend the Chen–Ricci inequality to submanifolds in Lorentzian manifolds with a semi-symmetric non-metric connection.
openaire   +1 more source

Social heterogeneity in self-reported health status and measurement of inequalities in health [PDF]

open access: yes
This study aims to analyse the impact of the measurement of health status on socioeconomic inequalities in health. A MIMIC model with structural equations is used to create a latent variable of health status from four health indicators: self-assessed ...
Marion Devaux   +3 more
core  

Separation principle for networked control systems with multiple-packet transmission

open access: yes, 2011
The authors investigate a class of observer-based discrete-time networked control systems (NCSs) with multiple-packet transmission where random packet dropouts occur independently in both the sensor-to-controller (S/C) and controller-to-actuator (C/A ...
Wu, Jun   +5 more
core   +1 more source

A new inexact parallel splitting method for monotone variational inequalities with separable structures

open access: yes四川大学学报. 自然科学版, 2016
This paper presents a new inexact parallel splitting method for solving variational inequalities (VIs) with separable structures. To solve VIs, some classical methods augmented Lagrangian method and alternating direction method of multipliers (ADMM) were
lihuan, kuo xi-peng
doaj  

Existence of ground states to quasi-linear Schrödinger equations with critical exponential growth involving different potentials

open access: yesAdvanced Nonlinear Studies
The purpose of this paper is three-fold. First, we establish singular Trudinger–Moser inequalities with less restrictive constraint:(0.1)supu∈H1(R2),∫R2(|∇u|2+V(x)u2)dx≤1∫R2e4π1−β2u2−1|x ...
Zhang Caifeng, Zhu Maochun
doaj   +1 more source

Monotonicity and Inequalities for Ratio of the Generalized Logarithmic Means

open access: yes, 2003
Let c > b > a > 0 be real numbers. Then the function f(r) = Lr(a,b)/Lr(a,c) is strictly decreasing on (−∞,∞), where Lr(a, b) denotes the generalized (extended) logarithmic mean of two positive numbers a and ...
Qi, Feng, Chen, Chao-Ping
core  

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