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41
Compact Spacelike Hypersurfaces with Constant Mean Curvature in the Antide Sitter Space
Published 2009-01-01“…We obtain a height estimate concerning to a compact spacelike hypersurface Σn immersed with constant mean curvature H in the anti-de Sitter space ℍ1n+1, when its boundary ∂Σ is contained into an umbilical spacelike hypersurface of this spacetime which is isometric to the hyperbolic space ℍn. …”
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42
Signal denoising based on the Schrödinger operator's eigenspectrum and a curvature constraint
Published 2021-05-01“…Abstract The authors propose an adaptive, general and data‐driven curvature penalty for signal denoising via the Schrödinge operator. …”
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43
Application of the Solving Methods and Numerical Differentiation for Curvature Parameter of Conjugate Surface
Published 2017-01-01Subjects: Get full text
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44
Lightlike Submanifolds of a Semi-Riemannian Manifold of Quasi-Constant Curvature
Published 2012-01-01“…We study the geometry of lightlike submanifolds (𝑀,𝑔,𝑆(𝑇𝑀),𝑆(𝑇𝑀⟂)) of a semi-Riemannian manifold (𝑀,̃𝑔) of quasiconstant curvature subject to the following conditions: (1) the curvature vector field ζ of 𝑀 is tangent to 𝑀, (2) the screen distribution 𝑆(𝑇𝑀) of 𝑀 is totally geodesic in 𝑀, and (3) the coscreen distribution 𝑆(𝑇𝑀⟂) of 𝑀 is a conformal Killing distribution.…”
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45
Curvature Determination Method for Diverging Acoustic Lens of Underwater Acoustic Transducer
Published 2025-01-01Subjects: Get full text
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46
Spacelike hypersurfaces in de Sitter space with constant higher-order mean curvature
Published 2006-01-01“…It is shown that a compact connected hypersurface with positive constant higher-order mean curvature Hr for some fixed r , 1≤r≤n, immersed in the de Sitter space S1n+1 must be a sphere.…”
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47
Existence of Solutions for the Discrete Dirichlet Problem Involving p-Mean Curvature Operator
Published 2020-01-01“…This work is to discuss the Dirichlet boundary value problem of the difference equation with p -mean curvature operator. Under some determinate growth conditions on the nonlinear term, the existence of one solution or two nontrivial solutions is obtained via variational methods and some analysis techniques. …”
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48
An Efficient Curvature-Based Synthesis Methodology for Rotationally Symmetric Shaped Reflector Antennas
Published 2025-01-01“…A previously proposed B-spline curvature-based synthesis technique is extended and applied to the design of rotationally symmetric reflector antennas with shaped beam patterns. …”
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49
Optimization of the Curvature Radius Coefficient of RV Reducer Main Bearing based on ADAMS
Published 2015-01-01“…Firstly,the contact stress and elastic deformation of bearing with different curvature radius coefficient are calculated by using the MATLAB. …”
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50
VIRTUAL MANUFACTURING AND SIMULATION ANALYSIS OF SPIRAL BEVEL GEAR BASED ON CURVATURE ADJUSTMENT
Published 2022-01-01Subjects: Get full text
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51
Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core
Published 2024-12-01“…Abstract We investigate the perturbation of the scalar field as well as the electromagnetic field over a sort of regular black holes which are characterized by the sub-Planckian curvature and the Minkowskian core. Specifically, we compute the quasinormal modes (QNMs) by employing the pseudo-spectral method. …”
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52
Dynamics Analysis of Gears with Constant Relative Curvature Considering Time-varying Effect
Published 2022-11-01Subjects: “…Gears with constant relative curvature…”
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53
Identification of Damage in a Beam Structure by Using Mode Shape Curvature Squares
Published 2010-01-01“…From the mode shapes, mode shape curvatures are obtained by using a central difference approximation. …”
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54
Some Curvature Conditions on a Para-Sasakian Manifold with Canonical Paracontact Connection
Published 2012-01-01“…We also investigate some properties of curvature tensor, conformal curvature tensor, W2-curvature tensor, concircular curvature tensor, projective curvature tensor, and pseudo-projective curvature tensor with respect to canonical paracontact connection on a para-Sasakian manifold. …”
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55
Geometrically Nonlinear Analysis of Functionally Graded Timoshenko Curved Beams with Variable Curvatures
Published 2019-01-01“…In this paper, geometrically nonlinear analysis of functionally graded curved beams with variable curvatures based on Timoshenko beam theory is presented. …”
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56
Sharp Curvature of Premolar Resulting in External Apical Root Resorption of the Neighbouring Molar
Published 2011-01-01Get full text
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57
Experimental investigation on effect of corrosion on curvature-ductility relationship of RCC member in flexure
Published 2022-05-01Subjects: Get full text
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58
Simplified Data-Driven Model for the Moment Curvature of T-Shaped RC Shear Walls
Published 2019-01-01“…Sectional deformation quantities, such as curvature and ductility, are of prime significance in the displacement-based seismic design and performance evaluation of structural members. …”
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59
Effects of the Transverse Curvature on the Statistics of Fully Developed Turbulent Flow in an Annular Pipe
Published 2002-01-01Get full text
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60
Some Properties of Curvature Tensors and Foliations of Locally Conformal Almost Kähler Manifolds
Published 2021-01-01“…We show that a locally conformal almost Kähler manifold admits a canonical foliation whose leaves are hypersurfaces with the mean curvature vector field proportional to the Lee vector field. …”
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