Results 31 to 40 of about 286,641 (292)

On the eigenvalues of some nonhermitian oscillators [PDF]

open access: yes, 2013
We consider a class of one-dimensional nonhermitian oscillators and discuss the relationship between the real eigenvalues of PT-symmetric oscillators and the resonances obtained by different authors.
Fern/'andez, Francisco M.   +1 more
core   +2 more sources

Why Market Freedoms are no Fundamental Rights: A Competence Approach

open access: yesCroatian Yearbook of European Law and Policy, 2010
Market freedoms resemble in many aspects fundamental rights. Since individuals can invoke them against the measures of Member States, they are subjective rights which restrict the competence of the Member States in favour of the individual.
Stephan Gregor
doaj   +1 more source

Functional business valuation – purpose is king!

open access: yesManagerial Economics
In the present contribution, we discuss the basic principles of functional business valuation. In addition to a distinction between objective and subjective valuation theory, the differences between finance-theoretical and investment-theoretical ...
Christian Toll, Thomas Hering
doaj   +1 more source

Cathodoluminescence and electron microscopy of red quantum dots used for display applications [PDF]

open access: yes, 2015
Cathodoluminescent imaging of the visible light emitted from quantum dots is reported. The shape and uniformity of individual particles is observed in the STEM electron image and the image of the particles created from their visible light collected ...
Coe-Sullivan, S, Fern, G, Silver, J
core   +1 more source

Counterfactual: An R Package for Counterfactual Analysis [PDF]

open access: yes, 2016
The Counterfactual package implements the estimation and inference methods of Chernozhukov, Fern\'andez-Val and Melly (2013) for counterfactual analysis.
Chen, Mingli   +3 more
core   +4 more sources

The feedback correct-related positivity : sensitivity of the event-related brain potential to unexpected positive feedback

open access: yes, 2008
The N200 and the feedback error-related negativity (fERN) are two components of the event-related brain potential (ERP) that share similar scalp distributions, time courses, morphologies, and functional dependencies, which raises the question as to ...
Allain   +59 more
core   +1 more source

ZSL Orchestrates Synaptonemal Complex Assembly as a Central Region Scaffold to Ensure Synapsis Fidelity and Crossover Control in Polyploid Meiosis

open access: yesAdvanced Science, EarlyView.
A central molecular adaptor, ZSL, is identified that links transverse filaments ZYP1 to central element SCEP1/2 to drive synaptonemal complex assembly in Brassica napus. Loss of ZSL abolishes synaptonemal complex formation, disrupts meiotic chromosome segregation, and markedly increases crossovers, providing mechanistic insight into meiotic fidelity ...
Miaowei Geng   +16 more
wiley   +1 more source

Cyanogenesis prospection in galled and non-galled tissues of Microgramma squamulosa (Polypodiaceae)

open access: yesLilloa, 2020
Cyanogenic glycosides are defense substances that can produce hydrocyanic acid when they undergo hydrolysis as a result of herbivory, a process called cyanogenesis.
Mariana Fernandes da Rocha   +2 more
doaj   +1 more source

High species richness and turnover of vascular epiphytes is associated with water availability along the elevation gradient of Volcán Maderas, Nicaragua

open access: yesEcology and Evolution, 2022
Research that has been conducted documenting species richness patterns on tropical mountains has resulted in conflicting observations: monotonic declines with increasing elevation, monotonic increases with increasing elevation, and a mid‐elevation “bulge.
Hazel K. Berrios   +2 more
doaj   +1 more source

Contemporary flood risk perceptions in England: Implications for flood risk management foresight

open access: yesClimate Risk Management, 2021
Although England has been experiencing major floods dating back thousands of years, the hazard is increasing in frequency and intensity, exacerbated by climate risks with potentially serious consequences.
Henry Ngenyam Bang   +1 more
doaj   +1 more source

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