Results 101 to 110 of about 865 (218)

Reconstruction of foliations from directional information [PDF]

open access: yes, 2007
In many areas of science, especially geophysics, geography and meteorology, the data are often directions or axes rather than scalars or unrestricted vectors.
Yeh, Shu-Ying
core  

Dry intrusions and warm‐core development in Medicanes: Insights from a multi‐case analysis and the peculiar evolution of Ianos

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Mediterranean tropical‐like cyclones show a clear seasonality, with September cyclones exhibiting the deepest convection and Ianos representing the most extreme case. While one or more dry intrusions are typically detected during the cyclone life cycle, Ianos instead features two much weaker descending airflows.
Daniele Nigro   +4 more
wiley   +1 more source

Balancing allocative and dynamic efficiency with redundant R&D allocation: The role of organizational proximity and centralization

open access: yesStrategic Management Journal, EarlyView.
Abstract Research Summary Resource‐based‐view scholars have mainly examined two resource allocation approaches for competitive advantage in multiunit firms: resource sharing and resource redeployment. These approaches emphasize allocative efficiency—the optimal allocation of resources to maximize their current value. In technology‐intensive industries,
Vivek Tandon   +3 more
wiley   +1 more source

Geometry of (1,1)-Knots and Knot Floer Homology [PDF]

open access: yes, 2015
We apply the technique of Heegaard Floer Homology to (1,1)-knots (1-bridge knots on the torus) to determine all (1,1)-knots of crossing number up to 12.
Racz, Bela Andras
core  

How We Simulate Nanopores

open access: yesSmall Methods, EarlyView.
Nanopore technology has revolutionized single‐molecule sensing, yet it suffers from an inherent interpretive challenge. Molecular dynamics has emerged as a go‐to method for determining the relationship between the structure of translocating molecules and the nanopore current signals.
Behzad Mehrafrooz   +5 more
wiley   +1 more source

Representations and invariants of links in lens spaces [PDF]

open access: yes, 2016
We analyze different representations of knots and links in lens spaces, as disk diagrams, grid diagrams, mixed diagrams; together with the associated moves describing the knot/link equivalence.
Enrico Manfredi   +2 more
core  

Characterization of a Portable Computed Tomography System for In Situ Analysis of Wooden Sculptures in Cultural Heritage

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Portable X‐ray computed tomography (portable CT) has become an important tool for the non‐destructive investigation of cultural heritage objects, particularly when in situ analysis is required. This work presents the experimental characterization and application of a transportable cone‐beam CT system designed for the inspection of large and ...
Anderson de Paula   +7 more
wiley   +1 more source

A survey of butterfly diagrams for knots and links [PDF]

open access: yes, 2017
A “butterfly diagram” is a representation of a knot as a kind of graph on the sphere. This generalization of Thurston’s construction of the Borromean rings was introduced by Hilden, Montesinos, Tejada, and Toro to study the bridge number of knots.
Ronnenberg, Mark
core   +1 more source

Investigation of the Evolution Mechanism and Multiphysics Coupling in Tree‐Contact Single‐Phase‐to‐Ground Fault

open access: yesHigh Voltage, EarlyView.
ABSTRACT Tree‐contact single‐phase‐to‐ground fault (TSF) is a common and hazardous type of failure in distribution networks. TSF is likely to occur when overhead conductors contact moist tree branches, potentially leading to insulation breakdown, posing serious threats to grid safety.
Wenjun Ning   +5 more
wiley   +1 more source

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