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Three Essays on Collective Forms of Organizing for Production and Innovation

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The second order pullback equation

Bernard Dacorogna, Olivier Kneuss, Gyula Csató

Let f, g be two closed k-forms over R-n. The pullback equation studies the existence of a diffeomorphism phi : R-n -> R-n such that phi*(g) = f. We prove two types of results. The first one sharpens some of the existing regularity results. The second one d ...

Springer2014

Producer cooperatives: a transaction cost economic approach

Joana Rodrigues Pereira

This paper aims at understanding whether producer cooperatives are efficient organisational forms, through the lenses of Transaction Cost Economics. To accomplish this goal I will answer the questions what is a cooperative, why do cooperatives exist, which ...

2014

Materials Taking a Lesson from Nature

Holger Frauenrath, Emmanuel Croisier, Liangfei Tian

Structural biomaterials with their often extraordinary properties and versatile functions are typically constructed from very limited sets of building blocks and types of supramolecular interactions. In this review we discuss how, inspired by nature's desi ...

Swiss Chemical Soc2013

Crowding of crowding leads to uncrowding

Michael Herzog, Bilge Sayim, Mauro Manassi

In crowding, target discrimination is impaired by flanking elements. What happens if a target is neighbored by flankers A and in addition by further flankers B? According to pooling models, crowding is the consequence of averaging features of target and fl ...

2013

A Systemic Approach for Designing Open Innovation Value Networks

Gil Regev, Alain Wegmann, Arash Golnam

The past two decades have seen a number of changes to the business and technological environment that have favored the rise of “open” collaborative innovation as alternative to the more traditional ”closed” models. The traditional view of innovation as a c ...

International Society for Professional Innovation Management2009

Pathchecker: An RFID application for tracing products in Supply-chains

Serge Vaudenay, Khaled Ouafi

In this paper, we present an application of RFIDs for supply-chain management. In our application, we consider two types of readers. On one part, we have readers that will mark tags at given points. After that, these tags can be checked by another type of ...

2009

The roles of mask luminance and perceptual grouping in visual backward masking

Michael Herzog, Gregory Francis

Visual backward masking is a commonly used technique in vision research and psychology. There are two distinct types of masking. Either masking is strongest for a simultaneous presentation of the target and the mask (A-type masking) or masking is strongest ...

Association for Research in Vision and Ophthalmology2009

A Markovian model for the hybrid manufacturing planning and control method ‘Double Speed Single Production Line’

Rémy Glardon, Naoufel Cheikhrouhou, Christoph Hachen

In this paper, the hybrid production planning & control method Double Speed Single Production Line (DSSPL) is presented, modelled and its performances evaluated and compared to classical Production Planning and Control methods (PPC). DSSPL combines JIT/kan ...

Elsevier2009

Fabrication of gold nano- and microstructures in ionic liquids - A remarkable anion effect

Paul Joseph Dyson, Zhaofu Fei

Au nano- and microstructures such as polyhedral crystals, large single-cryst. nanoplates, hollow trapeziform crystals, holey polyhedra, and dendrites were produced via microwave heating of HAuCl4·4H2O in a variety of ionic liqs. (ILs) in the absence of cap ...

2008

e-Innovation and financial services

Yang Yang

The Internet, a classic Schumpeterian innovation, has profoundly altered our lives and influenced the ways we do business. It is now widely accepted by policy makers, scholars, and enterprises that the Internet and related information technologies are the ...

EPFL2008