Results 1 to 10 of about 158,066 (263)

A Class of New Metrics for n-Dimensional Unit Hypercube [PDF]

open access: goldJournal of Applied Mathematics, 2013
We study the metric on the n-dimensional unit hypercube. We introduce a class of new metrics for the space, which is information theoretically motivated and has close relation to Jensen-Shannon divergence.
Guoxiang Lu
doaj   +2 more sources

Wasserstein‐metric‐based distributionally robust optimization method for unit commitment considering wind turbine uncertainty [PDF]

open access: goldEngineering Reports, 2023
The penetration of wind turbines in the power grid is increasing rapidly. Still, the wind turbine output power has uncertainty, leading to poor grid reliability, affecting the grid's dispatching plan, and increasing the total cost.
Gengrui Chen   +5 more
doaj   +2 more sources

Unit Cells in Space or Spaces for Unit Cells [PDF]

open access: yesStructural Dynamics
Crystallographers think about unit cells as 3 lengths and 3 angles. In other words, as 6 numbers,often in a row. But in order to talk about the relationships between unit cells, we need to know where they are in the space of unit cells, whatever that is.
Lawrence C Andrews, Herbert J Bernstein
doaj   +2 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

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

Spheres and Tori as Elliptic Linear Weingarten Surfaces

open access: yesMathematics, 2022
The linear Weingarten condition with ellipticity for the mean curvature and the extrinsic Gaussian curvature on a surface in the three-sphere can define a Riemannian metric which is called the elliptic linear Weingarten metric.
Dong-Soo Kim, Young Ho Kim, Jinhua Qian
doaj   +1 more source

A novel approach to correcting attribution of Clostridioides difficile in a healthcare setting

open access: yesAntimicrobial Stewardship & Healthcare Epidemiology, 2023
Objective: To describe a novel attribution metric estimating the causal source location of healthcare-associated Clostridioides difficile and compare it with the current US National Healthcare Safety Network (NHSN) surveillance reporting standard ...
Hunter Doyle   +6 more
doaj   +1 more source

On sets with unit Hausdorff density in homogeneous groups

open access: yesForum of Mathematics, Sigma, 2023
It is a longstanding conjecture that given a subset E of a metric space, if E has unit $\mathscr {H}^{\alpha }\llcorner E$ -density almost everywhere, then E is an $\alpha $ -rectifiable set. We prove this conjecture under the assumption that
Antoine Julia, Andrea Merlo
doaj   +1 more source

Estimating Production Metric for Ship Assembly Based on Geometric and Production Information of Ship Block Model

open access: yesJournal of Marine Science and Engineering, 2021
To secure technological competitiveness in shipbuilding and offshore industries, the continuous application and development of various technologies is essential.
Won-Seok Choi   +4 more
doaj   +1 more source

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