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Sufficient conditions for emergent synchronization in protocell models
No full textIn this paper, we study general protocell models aiming to understand the synchronization phenomenon of genetic material and container productions, a necessary condition to ensure sustainable growth in protocells and eventually leading to Darwinian evolution when applied to a population of protocells.
Synchronization has been proved to be an emergent property in many relevant protocell models in the class of the so-called surface reaction models, assuming both linear- and non-linear dynamics for the involved chemical reactions. We here extend this analysis by introducing and studying a new class of models where the relevant chemical reactions are assumed to occur inside the protocell, in contrast with the former model where the reaction site was the external surface.
While in our previous studies, the replicators were assumed to compete for resources, with out any direct interaction among them, we here improve both models by allowing linear interaction between replicators: catalysis and/ or inhibition. Extending some techniques previously introduced, we are able to give a quite general analytical answer about the synchronization
phenomenon in this more general context. We also report on results of numerical simulations to support the theory, where applicable, and allow the investigation of cases which are not amenable to analytical calculations
Integrazione del patrimonio informativo del SINP attraverso la realizzazione di Banche Dati per il settore dell'agricoltura
No full textAttraverso l'acquisizioni delle informazioni, l'organizzazione e la gestione di esse (anche in termini informatici) e attraverso l'analisi statistica multivariata, la ricerca mira a supportare l'attività degli operatori della prevenzione Infortuni e malattie professionali), soprattutto in fase di pianificazione. Nell'ambito del progetto è stato realizzato un DB concernente gli eventi infortunistici del settore agricolo aggiornabile con periodicità prestabilita. Eè stato condotto, inoltre, uno studio statistico sui principali fattori strutturali di rischio infortunistico nelle aziende agricole, incrociando dati di fonti diverse: INAIL (infortuni), ISTAT (censimento agricoltura) e Regione Emilia-Romagna (Anagrafe delle aziende agricole.
Corrigendum to "Sufficient conditions for emergent synchronization in protocell models" [J. Theor. Biol. 254 (2008) 741-751] (DOI:10.1016/j.jtbi.2008.07.008)
No full textSustainability and the Life Cycle Management: the Soya Milk case study
No full textA company pursuing cost abatement through eco-efficient choices raises the environmental variable to a critical dimension, thus considering the environment an opportunity of profit and not a variable to be “suffered”. Therefore, applying the “life cycle thinking” concept that re-shapes companies’ entire structure in a “cradle to cradle” perspective helps improving the product performance along the whole pipeline. It is with reference to this context that the Life Cycle Management (LCM) of the 1 litre Valsoia Soyadrink Original has been implemented in this study, carrying out a Life Cycle Analysis (LCA) and using the results to reorganise the energy policy with reference to the UNI CEI EN 16001:2009 (now ISO 50001:2011) norm. This permits the enterprise to attain a better productive (eco)-efficiency and reduce the environmental impact of the product during its entire life cycle
Non Linear protocell models: synchronization and chaos, European Conference on Complex Systems
No full text
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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