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The Characterizations of Parallel q-Equidistant Ruled Surfaces

Yanlin Li, +3 more
- 08 Sep 2022 - 
- Vol. 14, Iss: 9, pp 1879-1879
TLDR
In this paper , parallel q-equidistant ruled surfaces are defined such that the binormal vectors of given two differentiable curves are parallel along the striction curves of their corresponding binormal ruled surfaces, and the distance between the asymptotic planes is constant at proper points.
Abstract
In this paper, parallel q-equidistant ruled surfaces are defined such that the binormal vectors of given two differentiable curves are parallel along the striction curves of their corresponding binormal ruled surfaces, and the distance between the asymptotic planes is constant at proper points, which is related to symmetry. The characterizations and some other useful relations are drawn for these surfaces as well. If the surfaces are considered to be closed, then the integral invariants such as the pitch, the angle of the pitch, and the drall of them are given. Finally, some examples are presented to indicate that the distance between the proper points on the corresponding asymptotic planes is always constant.

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The developable surfaces with pointwise 1-type Gauss map of Frenet type framed base curves in Euclidean 3-space

TL;DR: In this paper , the ruled developable surfaces with pointwise 1-type Gauss map of Frenet-type framed base (Ftfb) curve are introduced in Euclidean 3-space.
Journal ArticleDOI

Spacelike Circular Surfaces in Minkowski 3-Space

TL;DR: In this article , the curvatures of spacelike circular surfaces in the Minkowski 3-space have been investigated and the conditions for curvature properties of these surfaces to be flat or minimal surfaces are obtained.
Journal ArticleDOI

Primitivoids of curves in Minkowski plane

TL;DR: In this article , the authors investigated the differential geometric characteristics of pedal and primitive curves in a Minkowski plane, where a primitive is specified by the opposite structure for creating the pedal, and primitivoids are known as comparatives of the primitive of a plane curve.
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Timelike Circular Surfaces and Singularities in Minkowski 3-Space

TL;DR: In this paper , the authors focused on time-like circular surfaces and singularities in Minkowski 3-space and determined a different kind of timelike circular surface was determined and named the time-ike roller coaster surface, which can be swept out by moving a Lorentzian circle with its center while following a nonlightlike curve called the spine curve.
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One-Parameter Lorentzian Dual Spherical Movements and Invariants of the Axodes

TL;DR: In this article , the Euler-Savary and Disteli formulae were derived for one-parameter Lorentzian dual spherical movements that are coordinate systems independent, which eliminates the requirement of demanding coordinates transformations necessary in the determination of the canonical systems.
References
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Journal ArticleDOI

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TL;DR: In this paper, the authors present a survey of the differential geometry of space curves with respect to the assumption that the curve is closed, and the results are often comparatively elementary and seem to be isolated.
Journal ArticleDOI

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Vesna Manojlović
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TL;DR: In this article, it was shown that quasiconformal harmonic mappings on the proper domains in R 2 are bi-Lipschitz with respect to the quasihyperbolic metric.
Journal ArticleDOI

Conformal $ \eta $-Ricci solitons within the framework of indefinite Kenmotsu manifolds

TL;DR: In this article , the authors consider the class of Ricci tensor tensors that admit conformal Ricci solitons on $ \epsilon $-Kenmotsu manifolds and present a characterization of the potential function.
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Subharmonic behavior and quasiconformal mappings

TL;DR: In this article, the authors give an overview of some results on the class of functions with subharmonic behaviour and their invariance properties under conformal and quasiconformal mappings.
Journal ArticleDOI

Quasi-nearly subharmonic functions and conformal mappings

Vesna Kojić
- 01 Jan 2007 - 
TL;DR: In this article, it was shown that if a conformal mapping and a quasi-nearly subharmonic function is a regularly oscillating function, then it is quasi-subharmonic.
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