Results 161 to 170 of about 283,896 (317)

Existence of solutions for Kirchhoff type equations

open access: yesElectronic Journal of Differential Equations, 2015
In this article, we prove the existence of solutions for Kirchhoff type equations with Dirichlet boundary-value condition. We use the Mountain Pass Theorem in critical point theory, without the (PS) condition.
Qi-Lin Xie, Xing-Ping Wu, Chun-Lei Tang
doaj  

Using expert elicitation to predict feral cat, Felis catus, responses to management

open access: yesPest Management Science, EarlyView.
We generated estimates of lethal feral cat management success for 864 scenarios, only 71 lethal management scenarios met a population reduction target of 57%. Cat‐targeted poison baits, in dry conditions and arid areas were most successful. Feral cat management requires continued adaptive strategies to reduce cat impacts.
Annalie Dorph   +7 more
wiley   +1 more source

Uncovering Semantic Patterns in Sustainability Research: A Systematic NLP Review

open access: yesSustainable Development, EarlyView.
ABSTRACT This study maps how Natural Language Processing (NLP) contributes to sustainability. Using a PRISMA‐guided review of 131 English‐language articles from Web of Science (2018–2025), we combine bibliometric co‐word mapping with BERTopic to derive complementary structural and semantic views. Four themes emerge: Topic 0—Climate Change Discourse and
Ehsan Tashakori   +3 more
wiley   +1 more source

The maximum principle for equations with composite coefficients

open access: yesElectronic Journal of Differential Equations, 2000
It is well-known that the maximum of the solution of a linear elliptic equation can be estimated in terms of the boundary data provided the coefficient of the gradient term is either integrable to an appropriate power or blows up like a small negative ...
Gary M. Lieberman
doaj  

Examining the Role of Public Policy in Promoting Green Energy and Employment: A Bibliometric Analysis in a Circular Economy Framework

open access: yesSustainable Development, EarlyView.
ABSTRACT This study uses a bibliometric lens to link public policy in renewable energy with its broader employment effects, offering the first comprehensive mapping of this relationship. A total of 760 articles published between 2013 and 2025 were retrieved from the Scopus database on July 10, 2025.
Asif Javed   +4 more
wiley   +1 more source

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