Results 61 to 70 of about 386,050 (293)

Forecasting With Exponential Smoothing Whats The Right Smoothing Constant?

open access: yesReview of Business Information Systems (RBIS), 2013
This paper examines exponential smoothing constants that minimize summary error measures associated with a large number of forecasts. These forecasts were made on numerous time series generated through simulation on a spreadsheet. The series varied in length and underlying nature no trend, linear trend, and nonlinear trend.
openaire   +2 more sources

Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies

open access: yesAdvanced Engineering Materials, EarlyView.
Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo   +3 more
wiley   +1 more source

On C$^2$-smooth Surfaces of Constant Width

open access: yesTbilisi Mathematical Journal, 2007
A number of results for C$^2$-smooth surfaces of constant width in Euclidean 3-space ${\mathbb{E}}^3$ are obtained. In particular, an integral inequality for constant width surfaces is established. This is used to prove that the ratio of volume to cubed width of a constant width surface is reduced by shrinking it along its normal lines.
Guilfoyle, Brendan, Klingenberg, Wilhelm
openaire   +5 more sources

Lagrangian meshfree finite difference particle method with variable smoothing length for solving wave equations

open access: yesAdvances in Mechanical Engineering, 2018
In a Lagrangian meshfree particle-based method, the smoothing length determines the size of the support domain for each particle. Since the particle distribution is irregular and uneven in most cases, a fixed smoothing length sometime brings too much or ...
Sheng Wang, Yong Ou Zhang, Jing Ping Wu
doaj   +1 more source

An Improved Tomography Approach Based on Adaptive Smoothing and Ground Meteorological Observations

open access: yesRemote Sensing, 2017
Using the Global Navigation Satellite System (GNSS) to sense three-dimensional water vapor (WV) has been intensively investigated. However, this technique still heavily relies on the a priori information.
Bao Zhang   +4 more
doaj   +1 more source

The Dunkl–Williams constant, convexity, smoothness and normal structure

open access: yesJournal of Mathematical Analysis and Applications, 2008
In 1964, \textit{C. F. Dunkl} and \textit{K. S. Williams} [Am. Math. Monthly 71, No. 1, 53--54 (1964; Zbl 0178.16202)] proved that \[ \left\| \frac{x}{\| x \|} - \frac{y}{\| y \|} \right\| \leq \frac{4}{\| x \| + \| y \| } \| x - y \| \] for nonzero elements \(x\) and \(y\) in a normed linear space \(X\) and noted that the constant \(4\) in the ...
Jiménez-Melado, A.   +2 more
openaire   +2 more sources

Investigation of Laser Ablation and Brush Pre‐Treatments for AlCu Cold Roll Bonding in Oxygen‐Free Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti   +11 more
wiley   +1 more source

Space–time analytic smoothing effect of the heat semigroup defined on homogeneous Besov spaces

open access: yesPartial Differential Equations in Applied Mathematics, 2021
We refine the decay estimate of the heat semigroup {T(t)}t≥0defined on homogeneous Besov spaces Ḃp,qs(Rn)for s∈R,p,q∈[1,∞], which is obtained by Kozono et al. (2003).
Taiki Takeuchi
doaj   +1 more source

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

open access: yesAdvanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell   +3 more
wiley   +1 more source

Homogeneity, Flatness and "Large" Extra Dimensions [PDF]

open access: yes, 2001
We consider a model in which the universe is the direct product of a (3+1)-dimensional Friedmann, Robertson-Walker (FRW) space and a compact hyperbolic manifold (CHM). Standard Model fields are confined to a point in the CHM (i.e. to a brane).
A. D. Linde   +25 more
core   +2 more sources

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