Results 251 to 260 of about 10,016,701 (311)

Rare Oral Manifestations of Systemic Amyloidosis: A Case Report. [PDF]

Case Rep Hematol
Barazanji S, Herrera JG, Garming-Legert K.   +2 more
europepmc   +1 more source

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Ruled invariants and associated ruled surfaces of a space curve

Applied Mathematics and Computation, 2019
As we know, a ruled surface is the tangent ruled surface of a space curve if and only if its ruled distance density function vanishes identically; a ruled surface is the binormal ruled surface of a space curve if and only if its ruled translation density
Huili Liu, Yixuan Liu, S. Jung
semanticscholar   +3 more sources

Geometric Algebra of Singular Ruled Surfaces

Advances in Applied Clifford Algebras, 2021
Yanlin Li, Zhigang Wang, T. Zhao
semanticscholar   +3 more sources

Generalized osculating‐type ruled surfaces of singular curves

Mathematical methods in the applied sciences, 2023
In this study, we introduce generalized osculating‐type ruled surfaces of special singular curves. We give some theories and results about the geometric structure of the surface.
Bahar Doğan Yazıcı, Zehra İşbilir, M. Tosun   +2 more
semanticscholar   +1 more source

From Ruled Surfaces to Elastica-ruled Surfaces: New Possibilities for Creating Architectural Forms

Journal of the International Association for Shell and Spatial Structures, 2021
Ruled surfaces are widely used for architectural forms, as diverse 3D shapes can be conveniently generated by the movement of a straight ruling. There is vast potential to create a rich variety of new architectural forms by introducing curved rulings ...
Ting-Uei Lee, Y. Xie
semanticscholar   +1 more source

Ruled surfaces with timelike rulings

Applied Mathematics and Computation, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Abdel-All, Nassar H., Abdel-Baky, Rashad A., Hamdoon, Fathi M.   +2 more
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On the trajectory ruled surfaces of framed base curves in the Euclidean space

Mathematical methods in the applied sciences, 2020
In this paper, we study trajectory ruled surface of a curve with singular points in the Euclidean 3‐space as an application of singularity theory of a space curve with singular points.
Ö. G. Yıldız, M. Akyiğit, M. Tosun
semanticscholar   +1 more source

Ruled Surfaces Constructed by Planar Curves In Euclidean 3-Space With Density

Celal Bayar Universitesi Fen Bilimleri Dergisi, 2020
In the present study, firstly we recall the parametric expressions of planar curves with zero phi-curvature in Euclidean 3-space with density e^ax_1 and with the aid of the Frenet frame of these planar curves, we ...
Mustafa Altın, A. Kazan, H. Karadag
semanticscholar   +1 more source

Fabricable Discretized Ruled Surfaces

ACM Transactions on Graphics
We present a method to automatically approximate a given surface with a small set of patches, each being a developable ruled surface featuring long-ruling lines.
Hassan Baharami, Michal Piovarči, M. Tarini, Bernd Bickel, N. Pietroni   +4 more
semanticscholar   +1 more source