Results 81 to 90 of about 152,514 (291)
Laser &Photonics Reviews, EarlyView.Manipulating the ultranarrow linewidth spectral features of quasi bound states in the continuum is challenging. A metasurface supporting linear‐to‐linear cross‐polarization coupling efficiency surpassing 25% is proposed to address the issue. Less than 100 nm linewidth is achieved, enabling the device to be applied to wavelength‐selective polarization ...
Shuhao Wu +5 more
wiley +1 more source
Study of Stirling Engine Efficiency Coefficient under Conditions Being Close to Real Ones
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2013 An absolute internal efficiency coefficient of the Stirling engine has been obtained without regenerator and with regenerator under conditions when van der Waals gas serves as a working medium.
R. M. Abramian
doaj
Asymptotics of Stirling and Chebyshev‐Stirling Numbers of the Second Kind
Studies in Applied Mathematics, 2014 For the classical Stirling numbers of the second kind, asymptotic formulae are derived in terms of a local central limit theorem. The underlying probabilistic approach also applies to the Chebyshev–Stirling numbers, a special case of the Jacobi–Stirling numbers.
Gawronski, Wolfgang +2 more
openaire +1 more source
No App, No Entry: Conceptualizing Digital Technology Captivity in Service Access
Psychology &Marketing, EarlyView.ABSTRACT We introduce Digital Technology Captivity (DTC), a form of consumer vulnerability that arises when digital technologies become the mandatory gateway to essential services. When access is tied to systems that feel unfamiliar, complex, or intimidating—and when preferred alternatives are limited—consumers may experience heightened vulnerability ...
Carolyn Wilson‐Nash +4 more
wiley +1 more source
Convolution Identities of Stirling Numbers
Utilitas MathematicaBy means of the generating function method, a linear recurrence relation is explicitly resolved. The solution is expressed in terms of the Stirling numbers of both the first and the second kind. Two remarkable pairs of combinatorial identities (Theorems 3.1 and 3.3) are established as applications, that contain some well–known convolution formulae on ...
Li, Nadia N., Chu, Wenchang
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Approximation of Discontinuous Functions by Positive Linear Operators. A Probabilistic Approach
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT We obtain approximation results for general positive linear operators satisfying mild conditions, when acting on discontinuous functions and absolutely continuous functions having discontinuous derivatives. The upper bounds, given in terms of a local first modulus of continuity, are best possible, in the sense that we can construct particular ...
J.A. Adell +2 more
wiley +1 more source
Public Administration and Development, EarlyView.ABSTRACT Using public ethnography anchored in the post‐development theory and interpretivist epistemological paradigm, this study examines what we term the ‘socio‐cultural milieus dynamics’ (SCMD) of the Solomon Islands (SI) and how these shape meaning, discourse, and practice in ways that influence Australia's aid localisation efforts and aid outcomes.
Mark Opoku Amankwa +5 more
wiley +1 more source
Entropy, 2017 The configurational entropy of nanoscale solutions is discussed in this paper. As follows from the comparison of the exact equation of Boltzmann and its Stirling approximation (widely used for both macroscale and nanoscale solutions today), the latter ...
Andras Dezso, George Kaptay
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Determinants involving q-Stirling numbers
Advances in Applied Mathematics, 2003 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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People and Nature, EarlyView.Abstract Conservation performance payments are becoming an increasingly popular instrument to tackle human–wildlife conflicts. In Sweden, Sámi communities practicing reindeer husbandry receive performance payments as compensation for reindeer losses caused by lynxes and wolverines.
Josef Kaiser +3 more
wiley +1 more source