Results 31 to 40 of about 195,464 (230)
K-type slant helices on spacelike and timelike surfaces
Acta et commentationes Universitatis Tartuensis de mathematica, 2021 We have derived a necessary and sufficient condition for a non-null normal spacelike curve lying in a spacelike or a timelike surface M ⊂ E13, so that the curve becomes a K-type spacelike slant helix with K ∈ {1,2,3}. We have used Darboux frame to define
Santosh Kumar, B. Pal
semanticscholar +1 more source
Conjugate mates for non-null Frenet curves
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019 For each non-null Frenet curve \gamma in Minkowski 3-space, there exists a unique unit speed non-null curve tangentto the principal binormal vector field of \gamma. We briefly call this curve the conjugate mate of\gamma . The aim of thispaper is to prove
Alev Kelleci
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A New Approach on Helices in Pseudo-Riemannian Manifolds
Abstract and Applied Analysis, 2014 A proper curve α in the n-dimensional pseudo-Riemannian manifold (M,g) is called a Vn-slant helix if the function g(Vn,X) is a nonzero constant along α, where X is a parallel vector field along α and Vn is nth Frenet frame.
Evren Zıplar +2 more
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New type surfaces in terms of B-Smarandache Curves in Sol3
Acta Scientiarum: Technology, 2015 In this work, new type ruled surfaces in terms of B- Smarandache TM1 curves of biharmonic B- slant helices in the SOL3 are studied. We characterize the B- Smarandache TM1 curves in terms of their Bishop curvatures.
Talat Körpınar
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Curves According to the Successor Frame in Euclidean 3-Space
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018 In thepresent study, the successor formulae of the successor curves defined byMenninger [1] are given. Then, by defining the successor planes, the geometricmeanings of the successor curvatures are investigated and the relations acrossthe components of ...
Melek Masal
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Spacelike B2-Slant Helix in Minkowski 4-Space
, 2010 8 ...
Önder, Mehmet +2 more
openaire +2 more sources
FEBS Letters, EarlyView.In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai +9 more
wiley +1 more source
On characterizations of g n-helices with Euler angles
Open MathematicsCurvature and torsion, in their most general forms, are defined in terms of Euler angle-based parametrization via the Cartan matrix, which leads to the Serret-Frenet equations.
Altinok Mesut, Kula Levent
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Position Vectors of Curves Generalizing General Helices and Slant Helices in Euclidean 3-Space
, 2021 In this paper, we give a new characterization of a k-slant helix which is a generalization of general helix and slant helix. Thereafter, we construct a vector differential equation of the third order to determine the parametric representation of a k ...
M. Izid +2 more
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Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source