Results 11 to 20 of about 5,209,376 (238)

Order-unit-metric spaces [PDF]

open access: yesPositivity, 2013
We study the concept of cone metric space in the context of ordered vector spaces by setting up a general and natural framework for it.
Çağlar, Mert, Ercan, Zafer
openaire   +5 more sources

Metric Dimension for Gabriel Unit Disk Graphs is NP-Complete [PDF]

open access: yesAlgorithmic Aspects of Wireless Sensor Networks, 2012
We show that finding a minimal number of landmark nodes for a unique virtual addressing by hop-distances in wireless ad-hoc sensor networks is NP-complete even if the networks are unit disk graphs that contain only Gabriel edges.
Stefan Hoffmann, Egon Wanke
semanticscholar   +4 more sources

Paracontact metric structures on the unit tangent sphere bundle [PDF]

open access: yes, 2013
Starting from $$g$$g-natural pseudo-Riemannian metrics of suitable signature on the unit tangent sphere bundle $$T_1 M$$T1M of a Riemannian manifold $$(M,\langle ,\rangle )$$(M,⟨,⟩), we construct a family of paracontact metric structures.
G. Calvaruso, V. Martín-Molina
semanticscholar   +3 more sources

Why pitch sensitivity matters: Event-related potential evidence of metric and syntactic violation detection among Spanish late learners of German. [PDF]

open access: yesFrontiers in Psychology, 2011
Event-related potential (ERP) data in monolingual German speakers have shown that sentential metric expectancy violations elicit a biphasic ERP pattern consisting of an anterior negativity and a posterior positivity (P600).
Maren eSchmidt-Kassow   +2 more
doaj   +2 more sources

Asymptotically hyperbolic metrics on a unit ball admitting multiple horizons

open access: hybrid, 2008
In this paper, we construct an asymptotically hyperbolic metric with scalar curvature -6 on unit ball $\mathbf{D}^3$, which contains multiple horizons.Comment ...
ZhenYang Li, Yuguang Shi, Peng Wu
openalex   +3 more sources

On the H.-Q. Li inequality on step-two Carnot groups

open access: yesComptes Rendus. Mathématique, 2023
In this note we show that the gradient estimate of the heat semigroup, or more precisely the H.-Q. Li inequality, is preserved under tensorization, some suitable group epimorphism, and central sum. We also establish the Riemannian counterpart of the H.-Q.
Zhang, Ye
doaj   +1 more source

Critical Metrics and Curvature of Metrics with Unit Volume or Unit Area of the Boundary

open access: yesThe Journal of Geometric Analysis, 2022
32 pages. Comments are welcome! (added references, corrected typos)
Tiarlos Cruz, Almir Silva Santos
openaire   +2 more sources

Fault-tolerance in metric dimension of boron nanotubes lattices

open access: yesFrontiers in Computational Neuroscience, 2023
The concept of resolving set and metric basis has been very successful because of multi-purpose applications both in computer and mathematical sciences.
Zafar Hussain, Muhammad Mobeen Munir
doaj   +1 more source

Asymptotically Mean Value Harmonic Functions in Doubling Metric Measure Spaces

open access: yesAnalysis and Geometry in Metric Spaces, 2022
We consider functions with an asymptotic mean value property, known to characterize harmonicity in Riemannian manifolds and in doubling metric measure spaces.
Adamowicz Tomasz   +2 more
doaj   +1 more source

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