Results 131 to 140 of about 5,067 (292)

Operators commuting with complex symmetric weighted composition operators on H 2

open access: yesConcrete Operators
In this article, we initially study when an anti-linear Toeplitz operator is in the commutant of a composition operator. Primarily, we investigate weighted composition operators Wg,ψ{W}_{g,\psi } commuting with complex symmetric weighted composition ...
Bhuia Sudip Ranjan
doaj   +1 more source

The boundedness of multilinear Calderón-Zygmund operators on weighted and variable Hardy spaces

open access: yes, 2021
We establish the boundedness of the multilinear Calderon{Zygmund operators from a product of weighted Hardy spaces into a weighted Hardy or Lebesgue space.
Van Nguyen, Hanh   +3 more
core  

Challenges of integrating sustainability in management education: A 25‐year review of institutional logics, paradoxes and sensemaking

open access: yesInternational Journal of Management Reviews, EarlyView.
Abstract Although sustainability has been championed in management education for over 25 years, its integration remains uneven, fragile and contested. Existing literature mirrors this fragmentation—often descriptive, celebratory or narrowly focused, offering limited insight into the organisational processes that shape integration.
Simona Grande   +3 more
wiley   +1 more source

‘Something Was Missing’: A Qualitative Study of Parents' Expectations in Weight‐Related Health Care for Children

open access: yesJournal of Advanced Nursing, EarlyView.
ABSTRACT Aim To explore how parents perceive health care encounters related to their child's higher weight and to interpret these experiences within the broader societal context shaped by cultural norms and representations. Design A qualitative design was employed using semi‐structured interviews to capture parents' experiences.
Terhi Koivumäki   +3 more
wiley   +1 more source

DNA extracted from boiled archival fish bones yields high‐quality whole‐genome sequencing data

open access: yesJournal of Fish Biology, EarlyView.
Abstract Archival samples provide a unique source of organismal DNA, offering the potential to extend the temporal scale of genetic studies by decades to centuries. Fish hard structures, such as otoliths and scales, serve as records for fish collected during fisheries monitoring across a large spatiotemporal scale.
Jingyao Niu   +5 more
wiley   +1 more source

On composition operators acting between Hardy and weighted Bergman spaces

open access: yes, 2007
We present a unified approach to some known and some new criteria for the boundedness and compactness of composition operators mapping a weighted Bergman space Aαp into another weighted Bergman space Aβq, where q⩾p and α,β>-1, also obtaining some ...
Vukotić, D.   +2 more
core   +1 more source

Reproductive plasticity and environmental tolerance of invasive African catfish (Clarias gariepinus) in a tropical Brazilian river

open access: yesJournal of Fish Biology, EarlyView.
Abstract Invasive alien species (IAS) pose a significant threat to biodiversity, particularly when endowed with high ecological and reproductive plasticity. The African catfish, Clarias gariepinus, is one such species, widely recognized for its ability to colonize and establish in diverse tropical ecosystems.
Michelle Torres Dumith   +1 more
wiley   +1 more source

The Atomic Characterization of Weighted Local Hardy Spaces and Its Applications

open access: yes, 2023
The purpose of this paper is to obtain atomic decomposition characterization of the weighted local Hardy space $h_{\omega}^{p}(\mathbb {R}^{n})$ with $\omega\in A_{\infty}(\mathbb {R}^{n})$.
Tan, Jian, Chen, Xinyu
core  

Points vs. passes: A comparison between electric fishing techniques for sampling fish populations in upland headwater streams

open access: yesJournal of Fish Biology, EarlyView.
Abstract Point‐abundance sampling by electric fishing (PASE) was compared with single‐pass (DF1) and triple‐pass depletion sampling (DF3) electric fishing on the same reaches of four headwater streams sampled over multiple years in the Ribble catchment, UK. Juvenile salmonids, mostly brown trout Salmo trutta with some Atlantic salmon S.
Reagan H. Pearce   +3 more
wiley   +1 more source

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