935 research outputs found
Il giuoco del calcio : lettera del Filopono a Francesco Onesti
No full text[d.i. Stefano di Francesco Sterponi o Simoni]Al Cav. Prof. Enrico Rostagno nel fausto giorno delle sue nozze con la signorina Maria Cavazza offre Carlo Nadini bene augurand
An experience-based view of co-opetition in R&D networks
No full textPurposeThe purpose of this paper is to explore the relationship between prior experience of organisations and their “co‐opetitive” behaviours in forming research networks when a R&D programme is launched in order to fund future research projects.Design/methodology/approachDrawing on both resource‐based writings and social embeddedness studies, the paper posits that two types of co‐opetition – namely the intra‐network and inter‐network co‐opetition – should be clearly distinguished in order to understand co‐opetitive behaviours of organisations. These two types of co‐opetition arise as a consequence of the different levels of firms' prior experience in forming successful co‐opetitive networks with their competitors.FindingsA reverse U‐shape trade‐off between the two types of co‐opetition is hypothesised: the maximum level of intra‐network co‐opetition and the lowest of inter‐network co‐opetition are expected for low and highlevels of prior experience; the minimum level of intra‐network co‐opetition and the highest of inter‐network co‐opetition are expected for moderate levels of prior experience.Originality/valueThis paper sheds light on how co‐opetitive relationships emerge in R&D networks and under which circumstances competition prevails on cooperation.</jats:sec
Optical Properties of Polymer-dispersed Liquid Crystals
No full textElectrooptical properties of polymer-dispersed liquid crystals (LCs) are analyzed from the point of view of the order created by the electric field, dynamic changes of the order (orientation) parameter, and optical transmittivity. Optical phase retardation causes an optical phase shift and is related to thermal effects. Nonlinear optical properties are investigated from the point of view of self-transparency, nonlinear gratings, threshold degenerate wave mixing, optical bistability and second harmonic generation
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