Results 111 to 120 of about 4,405,798 (247)

Orthogonal Projections Based on Hyperbolic and Spherical n-Simplex

open access: yesAdvances in Mathematical Physics, 2015
Orthogonal projection along a geodesic to the chosen k-plane is introduced using edge and Gram matrix of an n-simplex in hyperbolic or spherical n-space. The distance from a point to k-plane is obtained by the orthogonal projection.
Murat Savas   +2 more
doaj   +1 more source

Hyperbolic geometry of the olfactory space

open access: yesScience Advances, 2018
Natural odors and human perceptual descriptions of odors can be represented within three-dimensional hyperbolic space.
Yuansheng Zhou   +2 more
openaire   +2 more sources

From Rigid to Soft Robotic Approaches for Neuroendoscopy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic assistance has had minimal impact on deep intraventricular surgeries, where small‐scale, precision, and reduced invasiveness can contribute to improved patient outcomes. Emerging technologies in rigid, soft, and hybrid robotics are reviewed to identify the most promising mechanisms for deep brain navigation in addition to an attempt to identify
Kieran Gilday   +3 more
wiley   +1 more source

Some Special Ruled Surfaces in Hyperbolic 3-Space

open access: yes, 2021
In this paper, normal and binormal surfaces, a special class of ruled surfaces in hyperbolic 3-space, are discussed. These special surfaces are defined in hyperbolic 3-space and the types of these surfaces are introduced. The properties of these surfaces
Atceken, Mehmet, Mert, Tuğba
core   +1 more source

An Uncertainty Principle on Hyperbolic Space [PDF]

open access: yesProceedings of the American Mathematical Society, 1994
In this paper, we establish an uncertainty principle on hyperbolic space H n
openaire   +2 more sources

Multiobjective Codesign Optimization of a Planar Pneumatic Artificial Muscle‐Based Snake‐Like Robot for Enhanced Agility and Energy Efficiency

open access: yesAdvanced Robotics Research, EarlyView.
A codesign multiobjective optimization framework was developed to enhance the morphology and controller of a snake‐like robot driven by artificial muscles. It improved planar locomotion, agility, and power efficiency. The approach optimized link geometry and controller gains, revealing that shorter muscles near joints and longer linkages maximize ...
Ayla Valles, Mahdi Haghshenas‐Jaryani
wiley   +1 more source

Trudinger-Moser Embedding on the Hyperbolic Space

open access: yesAbstract and Applied Analysis, 2014
Let (ℍn,g) be the hyperbolic space of dimension n.
Yunyan Yang, Xiaobao Zhu
doaj   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

A characterization of hyperbolic spaces

open access: yes, 2006
We show that a geodesic metric space, and in particular the Cayley graph of a finitely generated group, is hyperbolic in the sense of Gromov if and only if intersections of any two metric balls balls is itself "almost" a metric ball.
Chatterji, Indira, Niblo, Graham A.
core  

Advancing RGB-IR Image Fusion: Exploiting Hyperbolic Geometry

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Infrared and visible image fusion is essential for remote sensing applications, especially for obtaining high-quality imagery of terrestrial environments.
Chenyu Peng, Tao Shen, Qingwang Wang
doaj   +1 more source

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