Results 11 to 20 of about 3,031,871 (255)

Stabilizer extent is not multiplicative [PDF]

open access: yesQuantum, 2021
The Gottesman-Knill theorem states that a Clifford circuit acting on stabilizer states can be simulated efficiently on a classical computer. Recently, this result has been generalized to cover inputs that are close to a coherent superposition of ...
Arne Heimendahl   +3 more
doaj   +3 more sources

Prevalence and severity of periodontitis among adults in Côte d’Ivoire according to the new EFP/AAP periodontal disease classification [PDF]

open access: yesJournal of Advanced Periodontology and Implant Dentistry, 2021
Background. To describe the prevalence and severity of periodontitis in patients attending the Periodontics Service of the Cocody University Hospital at Abidjan.Methods. This retrospective observational study reviewed records of patients aged 20-80 years
Nadin Therese Koffi-Coulibaly   +2 more
doaj   +1 more source

Distribution extension and first verified records for Narrow-bridged Musk Turtle, Claudius angustatus Cope, 1865 (Testudines, Kinosternidae) in the Selva Lacandona, Mexico [PDF]

open access: yesCheck List, 2021
We document the first verifiable records of Claudius angustatus Cope, 1865 in the Selva Lacandona, Chiapas, Mexico. Three individuals were observed in different types of anthropic land covers.
Martín de Jesús Cervantes-López   +3 more
doaj   +3 more sources

Significant distribution extension and first verified record of Chiapan Beaded Lizard, Heloderma alvarezi (Bogert & Martin del Campo, 1956) (Squamata, Helodermatidae), in southeastern Guerrero, Mexico [PDF]

open access: yesCheck List, 2021
We document the first verifiable records of Heloderma alvarezi (Bogert & del Campo, 1956) in southeastern Guerrero, Mexico. We recorded seven individuals of H. alvarezi near the village of Cihuapoloya, municipality of Cuautepec.
Jesús García-Grajales   +4 more
doaj   +3 more sources

Improving and expanding hedgerows—Recommendations for a semi‐natural habitat in agricultural landscapes

open access: yesEcological Solutions and Evidence, 2023
Hedgerows provide habitat, shelter and resources for many species including functionally important taxa and threatened species. Hedgerows store carbon both above‐ and below‐ground and provide a range of other ecosystem services.
Joanna T. Staley   +2 more
doaj   +1 more source

Bounds on the extent of a topological space

open access: yesМатематичні Студії, 2022
The extent $e(X)$ of a topological space $X$ is the supremum of sizes of closed discrete subspaces of $X$. Assuming that $X$ belongs to some class of topological spaces, we bound $e(X)$ by other cardinal characteristics of $X$, for instance Lindel\"of ...
A. Ravsky, T. Banakh
doaj   +1 more source

Extent of Use of ICTs by Fish Farmers in Isoko Agricultural Zone of Delta State, Nigeria

open access: yesJournal of Agricultural Extension, 2011
The study examined the extent of use of ICTs by fish farmers in Isoko agricultural zone of Delta State. Data obtained from 60 respondents purposively selected for the study, were summarized using percentage, mean score and correlation coefficient.
A. Aphunu,, C. N Atoma,
doaj   +4 more sources

Assessing the Nature Reserve Management Effort Using an Expert-Based Threat Analysis Approach

open access: yesDiversity, 2020
In this note, we suggest the adoption of expert-based approaches for threat analysis to allow an assessment of the magnitude of efforts of wildlife management actions.
Corrado Battisti   +4 more
doaj   +1 more source

Land Use and Land Cover Change Dynamics and Perceived Drivers in Rangeland Areas in Central Uganda

open access: yesLand, 2022
Sustainable rangeland management requires understanding the nature of human-ecosystem interactions and local communities’ perspectives regarding evolving changes.
Derick Ansyijar Kuule   +7 more
doaj   +1 more source

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