Results 111 to 120 of about 49,441 (308)

Active Versus Passive Investing : A Comparative Analysis

open access: yes, 2020
The increasing popularity of passive investment strategies causes the long-term feasibility of active investing to be questioned more often. Therefore, this research aimed to uncover whether active investors' influence on fund performance is positive and
Molander, Jonathan, van Loo, Lennart
core  

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

open access: yesAdvanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long   +26 more
wiley   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

Volume assessment comparing femoral vein and inferior vena cava among chest pain patients presenting to the emergency department

open access: yesInternational Journal of Emergency Medicine
Background Inferior vena cava (IVC) diameter measurement using ultrasound for volume status assessment has shown satisfactory results and is being adopted in Emergency and critical care settings.
Neeraja A Nair   +2 more
doaj   +1 more source

Revisiting Passivity and Politeness in Selected Indic Languages

open access: yesBhasha
This paper examines politeness and its realisation through passive constructions in Hindi, drawing on established theoretical frameworks. Using fresh survey data from near‑native Hindi speakers whose first languages are Eastern Indic languages (EILs), it explores how passive constructions may get differently ranked in the politeness hierarchies.
Kumar, Satyam, Dharurkar, Chinmay
openaire   +2 more sources

Characterization and computation of restless bandit marginal productivity indices [PDF]

open access: yes
The Whittle index [P. Whittle (1988). Restless bandits: Activity allocation in a changing world. J. Appl. Probab. 25A, 287-298] yields a practical scheduling rule for the versatile yet intractable multi-armed restless bandit problem, involving the ...
Jose Nino-Mora
core  

Direct Synthesis of High‐Valence Protein@UiO‐66 Composites: Linking Crystallization Pathways to Protein Encapsulation

open access: yesAdvanced Materials, EarlyView.
This work reports a direct, biocompatible method to synthesize UiO‐66, enabling one‐step encapsulation of proteins without compromising crystallinity or activity. Using advanced in situ and ex situ techniques, the study reveals that proteins integrate concurrently with MOF growth, forming crystalline protein@UiO‐66 nanoparticles, and provide insight ...
Jesús Cases Díaz   +5 more
wiley   +1 more source

Passive Portfolio Management by Indexing: A Performance Analysis of High, Medium and Low Capitalization Indices in Mexico || Administración pasiva de portafolios mediante indexación: un análisis del desempeño de los índices de alta, mediana y baja capitalización en México

open access: yesRevista de Métodos Cuantitativos para la Economía y la Empresa, 2018
In a passive investing strategy through indexation, the portfolio performance will depend largely on the ability to choose the best index. In this paper, we study the performance of four of the main stock indices in Mexico with the intention of selecting
Samaniego, Ángel   +1 more
doaj  

Short-time acoustic indices for monitoring urban-natural environments using artificial neural networks

open access: yesEcological Indicators
Urban-natural environments, proximal to rapidly urbanizing cities, provide essential ecosystem functions that benefit both city residents and ecological communities.
Diego Espejo   +5 more
doaj   +1 more source

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