Results 41 to 50 of about 191,077 (277)

Prescribing Gaussian curvature on S2

open access: yesActa Mathematica, 1987
On the standard two sphere S 2 the Gaussian curvature after a conformal change ds \(2=e^{2u}ds\) \(2_ 0\) is determined by the following equation: \[ (1.1)\quad \Delta u+Ke^{2u}=1\quad on\quad S^ 2 \] where \(\Delta\) denotes the Laplacian relative to the standard metric. The question raised by L.
Chang, Sun-yung Alice, Yang, Paul C.
openaire   +2 more sources

On Total Shear Curvature of Surfaces in E^{n+2}

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018
In the present study we consider surfaces in Euclidean (n+2)-space Eⁿ⁺². Firstly, we introduce some basic concepts of second fundamental form and curvatures of the surfaces in Eⁿ⁺².
Kadri Arslan, Betül Bulca
doaj   +1 more source

Developable Surfaces Foliated by General Ellipses in Euclidean Space R3

open access: yesMathematics, 2023
In this article, we classify the developable surfaces in three-dimensional Euclidean space R3 that are foliated by general ellipses. We show that the surface has constant Gaussian curvature (CGC) and is foliated by general ellipses if and only if the ...
Ahmad T. Ali
doaj   +1 more source

Non-Gaussian curvature distribution of actin-propelled biomimetric colloid trajectories [PDF]

open access: yes
We analyze the motion of colloids propelled by a comet-like tail of polymerizing actin filaments. The curvature of the particle trajectories deviates strongly from a Gaussian distribution, implying that the underlying microscopic processes are ...
Biesheuvel, P.M.   +5 more
core   +2 more sources

Shapes of pored membranes

open access: yes, 2012
We study the shapes of pored membranes within the framework of the Helfrich theory under the constraints of fixed area and pore size. We show that the mean curvature term leads to a budding- like structure, while the Gaussian curvature term tends to ...
de la Cruz, Monica Olvera   +3 more
core   +1 more source

Equi-Gaussian curvature folding

open access: yesProceedings Mathematical Sciences, 2007
In this paper the authors introduce the notion of equi-Gaussian curvature folding and consider some elementary properties of it.
El-Kholy, E. M.   +2 more
openaire   +2 more sources

A-Net Ruled Surface Which Generated By First Principle Direction Curve In E3

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017
In this paper, we give a new parametrization of A- net surface which generated by first principle direction curve Euclidean 3- space . Then, we obtain mean curvature and Gaussian curvature of this surface.
Talat KÖRPINAR, Gülden ALTAY SUROĞLU
doaj   +1 more source

Frustrated order on extrinsic geometries

open access: yes, 2011
We study, analytically and theoretically, defects in a nematically-ordered surface that couple to the extrinsic geometry of a surface. Though the intrinsic geometry tends to confine topological defects to regions of large Gaussian curvature, extrinsic ...
Grason, Gregory M.   +2 more
core   +1 more source

Predicting Epileptogenic Tubers in Patients With Tuberous Sclerosis Complex Using a Fusion Model Integrating Lesion Network Mapping and Machine Learning

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Accurate localization of epileptogenic tubers (ETs) in patients with tuberous sclerosis complex (TSC) is essential but challenging, as these tubers lack distinct pathological or genetic markers to differentiate them from other cortical tubers.
Tinghong Liu   +11 more
wiley   +1 more source

Totally real surfaces in CP2 with parallel mean curvature vector

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1992
It has been shown that a totally real surface in CP2 with parallel mean curvature vector and constant Gaussian curvature is either flat or totally geodesic.
M. A. Al-Gwaiz, Sharief Deshmukh
doaj   +1 more source

Home - About - Disclaimer - Privacy