Results 61 to 70 of about 3,074,734 (136)

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

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

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

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  

Chen–Ricci inequalities for submanifolds of Riemannian and Kaehlerian product manifolds

open access: yes, 2016
Some examples of slant submanifolds of almost product Riemannian manifolds are presented. The existence of a useful orthonormal basis in proper slant submanifolds of a Riemannian product manifold is proved.
Gülbahar, Mehmet   +2 more
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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