Results 71 to 80 of about 3,034,641 (146)

Some generalizations of RADO'S inequality

open access: yes, 2011
碩士在本文中,主要以系統化的方式整合文獻資料中與Rado不等式及Popoviciu不等式有相關的不等式。以更簡易的方法(如Jensen不等式和凸函數基本性質)去證明,最後再舉一些例子說明。In this article, mainly in the systematic way to with the Rado''s inequality and Popoviciu''s inequalities are related to inequality.
何振泰; Ho, Chen-Tai
core  

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

On the blow-up of four-dimensional Ricci flow singularities [PDF]

open access: yes, 2013
textIn 2002, Feldman, Ilmanen, and Knopf constructed the first example of a non-trivial (i.e. non-constant curvature) complete non-compact shrinking soliton, and conjectured that it models a Ricci flow singularity forming on a closed four-manifold.
Máximo Alexandrino Nogueira, Davi
core  

Global analysis of Twitter communication in corporate social responsibility area: sustainability, climate change, and waste management. [PDF]

open access: yesPeerJ Comput Sci, 2023
Kvasničková Stanislavská L   +8 more
europepmc   +1 more source

UEG Week 2025 Poster Presentations

open access: yes
United European Gastroenterology Journal, Volume 13, Issue S8, Page S803-S1476, October 2025.
wiley   +1 more source

MINKOWSKI INEQUALITY ON COMPLETE RIEMANNIAN MANIFOLDS WITH NONNEGATIVE RICCI CURVATURE [PDF]

open access: yes
We consider Riemannian manifolds of dimension at least 3, with nonnegative Ricci curvature and Euclidean volume growth. For every open bounded subset with smooth boundary we establish the validity of an optimal Minkowski inequality.
Mazzieri L., Fogagnolo M., Benatti L.
core   +1 more source

The impact of COVID-19 on tertiary educational institutions and students in Bangladesh. [PDF]

open access: yesHeliyon, 2022
Hosen M   +4 more
europepmc   +1 more source

ISOPERIMETRIC INEQUALITY UNDER KAHLER RICCI FLOW

open access: yes, 2014
Let (M, g(t)) be a Kahler Ricci flow with positive first Chern class. First, we prove a uniform isoperimetric inequality for all time. In the process, we also prove a Cheng-Yau type log gradient bound for positive harmonic functions on (M,g(t)) without ...
Zhang, Qi S., Tian, Gang
core  

Analysis of Ricci flow on noncompact manifolds [PDF]

open access: yes, 2013
textIn this dissertation, we present some analysis of Ricci flow on complete noncompact manifolds. The first half of the dissertation concerns the formation of Type-II singularity in Ricci flow on [mathematical equation]. For each [mathematical equation]
Wu, Haotian, active 2013
core  

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