Results 221 to 230 of about 29,533 (242)

Metasurface‐Based Polarization‐Controlled Generation of 128‐Dimensional Vector Vortex Combs

Laser &Photonics Reviews, EarlyView.
The generation and continuous control of 128‐dimensional vector vortex combs using a single metasurface is reported. This work creates a class of structured light that uniquely integrates ultrahigh dimensionality with vector properties, and represents a crucial step toward on‐chip, reconfigurable generators for ultrahigh‐dimensional vector structured ...
Jiaqi Wang, Wenxi Wang, Wen Chen
wiley   +1 more source

Multitrophic alpha and beta diversity of lake plankton across Canada

Oikos, EarlyView.
Anthropogenic environmental changes impact freshwater biodiversity globally. While biodiversity assessments in freshwater environments have traditionally focused on individual groups of organisms or trophic levels, considering patterns of ‘multitrophic biodiversity' across the food web provides a more comprehensive view of anthropogenic impacts and ...
Vincent Fugère, Cindy Paquette, Gillian K. Martin, Rebecca E. Garner, Yannick Huot, David A. Walsh, Beatrix E. Beisner   +6 more
wiley   +1 more source

Comparative evaluation of multi-influence factor, Shannon Entropy, and frequency ratio techniques for groundwater potential mapping in the Maze and Zenti catchments, Omo Basin, Ethiopia.

Heliyon
Oyda Y, Hatiye SD, Jothimani M.
europepmc   +1 more source

When wolves aren't enough: revisiting trophic cascades in northern Wisconsin

Oikos, EarlyView.
Elimination of top predators has allowed large herbivores to flourish in many terrestrial ecosystems, transforming food webs and ecosystem functions. Restoration of large predator communities is hoped to reverse negative effects of this trophic downgrading, but evidence for such effects is elusive.
Elaine M. Brice, Donald M. Waller, Jennifer L. Price Tack, Daniel J. Storm, David A. Rogers, Sarah E. Johnson, Bernd Blossey   +6 more
wiley   +1 more source

Between birch and berries: seasonal dietary niche partitioning among sympatric alpine herbivorous birds

Oikos, EarlyView.
Niche partitioning is important for the coexistence of closely related species, allowing species to reduce overlap in resource use despite shared ecological requirements. In alpine environments, harsh climatic conditions and low habitat complexity constrain opportunities for ecological segregation, making seasonal resource fluctuation especially ...
Saria Sato‐Bajracharya, Rakel Blaalid, Jan Eivind Østnes, Oddmund Kleven, Marie Davey, Elise W. Ingvaldsen, Erlend B. Nilsen   +6 more
wiley   +1 more source

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Shannon's inequality for the Rényi entropy and an application to the uncertainty principle

Journal of Functional Analysis, 2022
Takeshi Suguro
exaly  

Fractional calculus, zeta functions and Shannon entropy

Open Mathematics, 2021
Emanuel Guariglia
exaly  

Sudoku-inspired high-Shannon-entropy alloys

Acta Materialia, 2022
Houlong L Zhuang
exaly  

Asymptotic Normality for Plug-In Estimators of Generalized Shannon’s Entropy

Entropy, 2022
Jialin Zhang, Jingyi Shi, Zhang Jialin   +2 more
exaly