Results 81 to 90 of about 370,184 (280)

Shape Derivatives of the Eigenvalues of the De Rham Complex for Lipschitz Deformations and Variable Coefficients: Part I

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT We study eigenvalue problems for the de Rham complex on varying three‐dimensional domains. Our analysis includes the Helmholtz equation as well as the Maxwell system with mixed boundary conditions and non‐constant coefficients. We provide Hadamard‐type formulas for the shape derivatives under weak regularity assumptions on the domain and its ...
Pier Domenico Lamberti   +2 more
wiley   +1 more source

The author and its double. Considerations on disagreement between Morandi and Arcangeli

open access: yesIntrecci d'arte, 2017
Arcangeli’s monograph on Giorgio Morandi is the early crack of relations between the young critic and the oldest artist. The essay, published by the Milan gallery Il Milione in 1964, about forty days after the death of the Bolognese master, had a long ...
Pasquale Fameli
doaj   +1 more source

On business model generation for open access monographs

open access: yes, 2020
This week for our COPIM reading group we are turning to Osterwalder, Alexander, Yves Pigneur, and Tim Clark, <em> Business Model Generation: A Handbook for Visionaries, Game Changers, and Challengers </em> (Hoboken, NJ: Wiley, 2010).
openaire   +2 more sources

Weak Solutions for a Class of Nonlocal Singular Problems Over the Nehari Manifold

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this paper, we consider a nonlocal model of dilatant non‐Newtonian fluid with a Dirichlet boundary condition. By using the Nehari manifold and fibering map methods, we obtain the existence of at least two weak solutions, with sign information.
Zhenfeng Zhang   +2 more
wiley   +1 more source

Methods for Studying Tick Survival in Nature

open access: yes
The Bulletin of the Ecological Society of America, EarlyView.
Megan Schierer   +3 more
wiley   +1 more source

Comprehensive Insights into Natural Bioactive Compounds: From Chemical Diversity and Mechanisms to Biotechnological Innovations and Applications

open access: yesChemistryOpen, EarlyView.
Natural products derived from plants, animals, fungi, bacteria, and minerals contain diverse bioactive classes such as alkaloids, flavonoids, terpenoids, saponins, tannins, and phenolics. These natural products work through different mechanisms, including ROS inhibition, NF‐κB suppression, and cytokine regulation, and exhibit wide applications across ...
Sajid Ali   +4 more
wiley   +1 more source

Impact of reading a scientific journal issue about hypnosis on the beliefs and attitudes towards hypnosis among psychologists [PDF]

open access: yesPsychology, Society & Education, 2009
The goal of this study was to examine the influence of receiving scientific information about hypnosis over Spanish psychologists’ beliefs and attitudes toward hypnosis.
M. Elena Mendoza   +2 more
doaj  

Galactic Center Pulsars with the ngVLA

open access: yes, 2018
Pulsars in the Galactic Center (GC) are important probes of General Relativity, star formation, stellar dynamics, stellar evolution, and the interstellar medium. Despite years of searching, only a handful of pulsars in the central 0.5 deg are known.
Bower, Geoffrey C.   +11 more
core  

Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski   +2 more
wiley   +1 more source

Assessing current curation, identification and digitisation practices in herbaria: Results from a global survey

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The value of herbarium specimens depends largely on the accuracy and accessibility of the data captured, which is dependent on curation practices. Previous studies have shown high levels of misidentification in collections, which become more problematic with increased access.
Celia C. Aceae   +3 more
wiley   +1 more source

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