Results 21 to 30 of about 1,685,819 (260)

Optimal Crowdfunding Design [PDF]

open access: yesSSRN Electronic Journal, 2014
We characterize optimal reward-based crowdfunding where production is contingent on an aggregate funding threshold. Crowdfunding adapts project implementation to demand (market-testing) and its multiple prices enhance rent-extraction via pivotality, even for large crowds, indeed arbitrarily large if tastes are correlated.
Matthew Ellman, Sjaak Hurkens
openaire   +8 more sources

Packing Oblique 3D Objects

open access: yesMathematics, 2020
Packing irregular 3D objects in a cuboid of minimum volume is considered. Each object is composed of a number of convex shapes, such as oblique and right circular cylinders, cones and truncated cones.
Alexander Pankratov   +2 more
doaj   +1 more source

Optimal Technology Design

open access: yesSSRN Electronic Journal, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Garrett, Daniel F.   +3 more
openaire   +4 more sources

An Optimized Covering Spheroids by Spheres

open access: yesApplied Sciences, 2020
Covering spheroids (ellipsoids of revolution) by different spheres is studied. The research is motivated by packing non-spherical particles arising in natural sciences, e.g., in powder technologies.
Alexander Pankratov   +3 more
doaj   +1 more source

Learning From Older Adults to Promote Independent Physical Activity Using Mobile Health (mHealth)

open access: yesFrontiers in Public Health, 2021
Background: Healthy aging is critically important for several reasons, including economic impact and quality of life. As the population of older adults rapidly increases, identifying acceptable ways to promote healthy aging is a priority.
Camille Nebeker, Zvinka Z. Zlatar
doaj   +1 more source

Application of MCDM method in material selection for optimal design: A review

open access: yes, 2020
Purpose The principal purpose of this paper is to present a methodical review of application of Multi-Criteria Decision Making (MCDM) method in material selection.
I. Emovon   +1 more
semanticscholar   +1 more source

On the optimal design of biased contests

open access: yesTheoretical Economics, 2020
This paper explores the optimal design of biased contests. A designer imposes an identity‐dependent treatment on contestants that varies the balance of the playing field. A generalized lottery contest typically yields no closed‐form equilibrium solutions,
Qiang Fu, Zenan Wu
semanticscholar   +1 more source

A-optimal versus D-optimal design of screening experiments

open access: yes, 2020
The purpose of this article is to persuade experimenters to choose A-optimal designs rather than D-optimal designs for screening experiments. The primary reason for this advice is that the A-optimality criterion is more consistent with the screening ...
B. Jones, Katherine Allen-Moyer, P. Goos
semanticscholar   +1 more source

Radial Gradient Pressure Effects on Flow Behavior in a Dual Volute Turbocharger Turbine

open access: yesApplied Sciences, 2018
The pressure gradient in the dual volute radial turbocharger turbines is the primary source of the vortices’ formation in rotor passages. The effects of the upstream non-uniform flow conditions on the development of secondary flows are not well known. In
Azadeh Sajedin   +2 more
doaj   +1 more source

Optimal design of rainbow elastic metamaterials

open access: yesInternational Journal of Mechanical Sciences, 2020
In this study, we present an optimization scheme for the resonator distribution in rainbow metamaterials that are constitutive of a Π-shaped beam with parallel plate insertions and two sets of spatially varying cantilever-mass resonators.
H. Meng   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy