Results 61 to 70 of about 1,852,222 (144)

Polyharmonic hypersurfaces into pseudo-Riemannian space forms. [PDF]

open access: yesAnn Mat Pura Appl, 2023
Branding V   +3 more
europepmc   +1 more source

On generalized partially null Mannheim curves in Minkowski space-time

open access: yes, 2016
© 2016, Institute of Mathematics. All rights reserved. In this paper we define generalized partially null and pseudo null Mannheim curves in Minkowski space-time E 41.
Grbović, Milica   +3 more
core   +1 more source

Nonlinear Radiation Gauge for Near Kerr Spacetimes. [PDF]

open access: yesCommun Math Phys, 2022
Andersson L, Bäckdahl T, Blue P, Ma S.
europepmc   +1 more source

Classification of null curves and null curves in semi-Euclidean space

open access: yes, 2019
Bu çalışmada 1- indeksli 3- boyutlu Yarı-Öklidyen uzayda Null Eğri, Pseudo Null Eğri, Cartan Null Eğri ve 1-indeksli 4-boyutlu Yarı-Öklidyen uzayda Null, Pseudo Null, Partially Null eğrilerin sınıflandırılması yapılmıştır.
Ovalıoğlu, Esra
core  

Null Subjects in Northeast English [PDF]

open access: yes, 2011
This paper presents data and analysis relating to null subjects in spoken colloquial English. While English is not a „pro-drop? language (i.e.
Bailey, Laura R.
core  

Family of surface with a common null geodesic [PDF]

open access: yes, 2009
We analyzed the problem of finding a surfaces family through a null curve with Cartan frame. We constructed a differential equation system such that a given null curve is an isogeodesic curve on a surface. In addition, developablity along the common null
Kasap, Emin, Şaffak, Gülnur
core   +1 more source

Evolution of null Cartan and pseudo null curves via the Bishop frame in Minkowski space $ \mathbb{R}^{2, 1} $

open access: yesAIMS Mathematics
In the present work, we focused on studying the evolution of null Cartan and pseudo null curves using the Bishop frame in Minkowski space $ \mathbb{R}^{2, 1} $. We obtained the necessary and sufficient conditions for the null Cartan and pseudo null curves to be inextensible curves (the arc length is preserved).
Samah Gaber, Abeer Al Elaiw
openaire   +2 more sources

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