Results 121 to 130 of about 1,478,276 (282)

Spin‐Polarized Magnetic Metal Electrodes for Magnetic Tunnel Junctions

MetalMat, EarlyView.
This perspective surveys spin‐polarized magnetic metal electrodes for magnetic tunnel junctions, systematically covering conventional ferromagnets, collinear/noncollinear antiferromagnets, and emergent altermagnets. It compares tunneling polarization origins across these classes and emphasizes that effective electrode polarization is a momentum ...
Zhiyuan Duan, Peixin Qin, Li Liu, Guojian Zhao, Sixu Jiang, Xiaoyang Tan, Jingyu Li, Xiaoning Wang, Ziang Meng, Zhiqi Liu   +9 more
wiley   +1 more source

Hurwitz Trees and Tropical Geometry [PDF]

, 2016
The lifting problem in algebraic geometry asks when a finite group G acting on a curve defined over characteristic p > 0 lifts to characteristic 0. One object used in the study of this problem is the Hurwitz tree, which encodes the ramification data of
Akeyr, Garnet Jonathan
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Coexisting ant species differ in ability to meet their intrinsic nutritional needs

Oikos, EarlyView.
Coexisting species are often assumed to reduce competition by foraging for foods that differ in nutrient composition, but few studies test whether field nutritional differences correspond to intrinsic differences in macronutrient selectivity. We compared field estimates of worker trophic position (tissue isotopes: δ15N) and worker tissue stoichiometry (
Hannah L. Riskas, Jonathan Z. Shik, Lily L. Leahy, Ian J. Wright, Heloise Gibb   +4 more
wiley   +1 more source

Geometry of tropical extensions of hyperfields [PDF]

We study the geometry of tropical extensions of hyperfields, including the ordinary, signed, and complex tropical hyperfields. We introduce the framework of ‘enriched valuations’ as hyperfield homomorphisms to tropical extensions and show that a notable ...
Smith, Ben, Maxwell, James
core   +3 more sources

Towards Sustainable PP Composites: The Roles of Pineapple Crown Fibers (PCFs) and Functional Additives on the PP Rheological and Viscoelastic Behaviors

Polymer Engineering &Science, EarlyView.
Preparation and rheological characterization of polypropylene composites reinforced with pineapple crown fibers and compatibilized with organic acids. ABSTRACT This research presents a comprehensive rheological and viscoelastic study of polypropylene (PP) composites reinforced with pineapple crown fibers (PCF) and compatibilised using carboxylic acids (
Giordano Pierozan Bernardes, Otavio Bianchi, Matheus Poletto   +2 more
wiley   +1 more source

Tropicalizing binary geometries

Le Matematiche
The type A cluster configuration space, commonly known as $\mathcal M_{0,n}$, is the very affine part of the binary geometry associated with the associahedron. The tropicalization of $\mathcal M_{0,n}$ can be realized as the space of phylogenetic trees and its signed tropicalizations as the dual-associahedron subfans. We give a concise overview of this
S. Cox, I. Makhlin
openaire   +2 more sources

The Long Trajectory of Rubber Physics: 3500+ Years and Counting

Journal of Polymer Science, EarlyView.
Natural rubber's trajectory is traced from Mesoamerican use of Castilla elastica through vulcanization and the pneumatic tire to macromolecular physics and modern solid‐state refrigeration. Illustrations of C. elastica and an H. brasiliensis plantation frame the historical progression from indigenous material, then industrial crop and on to advanced ...
Gregory B. McKenna
wiley   +1 more source

Impact of Wind Forcing Resolution on Modeled Wave Extremes at the Coastal Boundary

Geophysical Research Letters
Accurate wind forcing is essential for modeling extreme wave conditions. This study evaluates how wind resolution influences the representation of maximum wind speeds and the simulation of maximum significant wave heights across two cyclone environments:
I. B. Villalba, M. D. Harley, A. Sharma
doaj   +1 more source

The influence of staircase geometry and spatial configuration on the enhancement of natural ventilation in urban residential buildings

ARTEKS : Jurnal Teknik Arsitektur
In densely populated tropical urban contexts, row houses (RD) have increasingly emerged as a prevalent residential solution owing to their efficiency in land utilization and economic affordability.
Khotijah Lahji, Agus Budi Purnomo, Inavonna   +2 more
doaj   +1 more source

Tropical Geometry of Biological Systems

, 2020
International audienceTropical geometry ideas were developed by mathematicians that got inspired from very different topics in physics, discrete mathematics , optimization, algebraic geometry.
Radulescu, Ovidiu
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