Results 31 to 40 of about 163,586 (163)

Rotationally Symmetric Harmonic Diffeomorphisms between Surfaces

open access: yesAbstract and Applied Analysis, 2013
We show the nonexistence of rotationally symmetric harmonic diffeomorphism between the unit disk without the origin and a punctured disc with hyperbolic metric on the target.
Li Chen, Shi-Zhong Du, Xu-Qian Fan
doaj   +1 more source

Schwarz-Pick Estimates for Holomorphic Mappings with Values in Homogeneous Ball

open access: yesAbstract and Applied Analysis, 2012
Let BX be the unit ball in a complex Banach space X. Assume BX is homogeneous. The generalization of the Schwarz-Pick estimates of partial derivatives of arbitrary order is established for holomorphic mappings from the unit ball Bn to BX associated with ...
Jianfei Wang
doaj   +1 more source

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   +1 more source

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

open access: yesEngineering 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   +1 more source

Analyzing and Comparing Biomass Feedstock Supply Systems in China: Corn Stover and Sweet Sorghum Case Studies

open access: yesEnergies, 2015
This paper analyzes the rural Chinese biomass supply system and models supply chain operations according to U.S. concepts of logistical unit operations: harvest and collection, storage, transportation, preprocessing, and handling and queuing.
Lantian Ren   +6 more
doaj   +1 more source

On the Classifying of the Tangent Sphere Bundle with Almost Contact B-Metric Structure

open access: yesپژوهش‌های ریاضی, 2021
One of the classical fundamental motifs in differential geometry of manifolds is the notion of the almost contact structure. As a counterpart of the almost contact metric structure, the notion of the almost contact B-metric structure has been an ...
Esmaeil Peyghan, Farshad Firuzi
doaj  

Almost Ricci–Yamabe soliton on contact metric manifolds [PDF]

open access: yesArab Journal of Mathematical Sciences
Purpose – This paper aims to study almost Ricci–Yamabe soliton in the context of certain contact metric manifolds. Design/methodology/approach – The paper is designed as follows: In Section 3, a complete contact metric manifold with the Reeb vector field
Mohan Khatri, Jay Prakash Singh
doaj   +1 more source

Antimicrobial Use Over a Four-Year Period Using Days of Therapy Measurement at a Canadian Pediatric Acute Care Hospital

open access: yesCanadian Journal of Infectious Diseases and Medical Microbiology, 2015
BACKGROUND: Antimicrobial resistance is a concern that is challenging the ability to treat common infections. Surveillance of antimicrobial use in pediatric acute care institutions is complicated because the common metric unit, the defined daily dose, is
Bruce R Dalton   +6 more
doaj   +1 more source

A Metric Space with LCOE Isolines for Research Guidance in wind and hydrokinetic energy systems

open access: yesWind Energy, 2020
This paper introduces a new Metric Space to guide the design of advanced wind energy systems and hydrokinetic energy converters such as tidal, ocean current and riverine turbines.
Mario Garcia‐Sanz
doaj   +1 more source

On Funk's parabolas

open access: yesREMAT
This study aims to analyze parabolas in the two dimensional unit disk equipped with a Funk metric. The analysis leads to four types of parabolas are obtained, due to the non-reversibility of the Funk metric.
Newton Mayer Solórzano Chávez   +2 more
doaj   +1 more source

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