Search results for "ARCHITECTURE"
showing 10 items of 3706 documents
Effective hamiltonian approach to the non-Markovian dynamics in a spin-bath
2010
We investigate the dynamics of a central spin that is coupled to a bath of spins through a non-uniform distribution of coupling constants. Simple analytical arguments based on master equation techniques as well as numerical simulations of the full von Neumann equation of the total system show that the short-time damping and decoherence behaviour of the central spin can be modelled accurately through an effective Hamiltonian involving a single effective coupling constant. The reduced short-time dynamics of the central spin is thus reproduced by an analytically solvable effective Hamiltonian model.
Factors Affecting Male Song Evolution in Drosophila montana
2005
D. montana (a species of the D. virilis group) has spread over the northern hemisphere, populations from different areas showing both genetic and phenotypic divergence. The males of this species produce an elaborate courtship song, which plays a major role both in species recognition and in intraspecific mate choice. The genetic architecture and physical constraints, as well as the importance of the signal for species recognition, set boundaries within which this signal can vary. Within these limits, courtship song parameters may change, depending on the males' physical condition and on the environment they inhabit. Females are likely to affect song evolution by exerting directional selecti…
Renovatio urbis versus creatività urbana / Renovatio urbis versus urban creativity
2016
I relatori che hanno inaugurato il ciclo di incontri Spazi Pubblici e Luoghi Condivisi - Progetti architettonici per le città europee sono stati entrambi Visiting Professors del Politecnico di Milano presso il Polo Territoriale di Piacenza. L’architetto catalano Enric Massip Bosch - Professore Associato presso la Escola Tècnica Superior d’Arquitectura del Vallès e de la Universitat Politècnica de Catalunya, fondatore dello studio EMBA - ha presentato una riflessione sullo sviluppo urbano della città di Barcellona in rapporto ai suoi spazi pubblici. Il secondo ospite, che ha trattato delle strategie urbane messe in atto nella città di Siviglia, è stato invece Carlos Garcia Vazquez: architett…
Espaces de la crise - crise de l'espace
2019
Comment étudier la production culturelle en Espagne et en Grèce au cours des deux premières décennies du XXIe siècle en faisant abstraction des circonstances socio-économiques et politiques ? La crise qui a frappé ces deux pays, ainsi que les politiques d’austérité qui ont suivi, sont au centre des travaux des chercheurs ici réunis. Dans une perspective d’interdisciplinarité, les quatre éditeurs de ce volume allient leurs compétences et leurs champs de recherche à ceux des autres auteurs – littérature, audiovisuel, histoire et science politique – pour proposer un ensemble de textes qui s’intéressent à la production culturelle grecque et espagnole en période de crise et aux nouvelles relatio…
How “African” Is the African Peace and Security Architecture? Conceptual and Practical Constraints of Regional Security Cooperation in Africa
2012
ABSTRACT With the creation of the African Peace and Security Architecture in 2004, African states were aiming to assume the primary responsibility for peace and security on the continent and establish a structure to assemble the necessary financial and military means. However, despite the constant evocation of “African ownership,” it is non-African actors that call the tune and can define and drive African security. Based on a detailed juxtaposition of rhetoric and empirical evidence, this paper argues that significant conceptual and practical problems constrain the “Africanization” of African security and that it appears increasingly unlikely that the continent's states will be able to ach…
Permanenze e innovazioni nell'architettura del MediterraneoMediterranean Architecture between Heritage and Innovation
2011
Il volume offre numerosi spunti sul tema Permanenze e innovazioni nell'architettura del Mediterraneo, dimostrandone l'ampiezza di aspetti riconducibili alla Tecnologia dell'architettura, di cui si evidenzia la flessibilita dei confini disciplinari con riferimento ai diversi significati assumibili dal concetto di risorsa. Letta in continuita con le precedenti pubblicazioni Osdotta, questa consente di seguire quanto si va sviluppando nel terzo livello di formazione in un momento particolarmente critico per l'istituzione universitaria, continuando a porre l'accento sul nodo domanda/offerta di ricerca, nel confronto con altre istituzioni e con il mondo della produzione di settore, nell'attuale …
Le monastère Saint-Pierre d'Osor (île de Cres) : septième campagne d'études archéologiques
2013
The 2012 campaign of the archaeological research project permitted the exhaustive excavations of the immediate surroundings of the southern nave of the abbey church of St Peter in Osor. The richness and the complexity of the discovered structures confirmed the great archaeological potential of this sector. Namely, a funeral zone that is situated south to the church is occupied by two buildings perpendicular to the church which we interpret as a mausoleum (the one on the west) and a chapel with one privileged burial (the one on the east). The great number of built tombs or simples graves confirmed that this sector had funeral function even before the XIth century and the construction of the …
Esquisse d'un paysage monastique insulaire dans le nord de l'Adriatique : l'archipel du Kvarner (Croatie)
2013
The authors of the article set as their goal the examination of the complex question of early Monasticism (up to the 11th century) in the Kvarner region, reconsidering the old archaeological data, the unpublished ancient results and the results of new archaeological surveys gathered since 2010 through the specific research program. The first difficulty encountered is that of the actual identification of the archaeological remains as a monastic or hermitic site, given the lack of any written source for most of the sites. We examine here a certain number of religious sites, potentially monastic ones, considering their larger context of implantation, their patron, and/or their vicinity to a by…
Monastère Saint-Pierre d’Osor (Croatie, île de Cres).
2016
La campagne de fouille 2015 de la Mission franco-croate Saint-Pierre d’Osor a porté sur l’achèvement de la fouille de l’église réduite engagée l’année précédente. L’église réduite du XVe-XVIe siècle correspond à une partie de la nef centrale et du bas-côté nord de l’église du XIe siècle dont elle conserve le mur gouttereau nord. Ce mur a fait l’objet d’une étude du bâti dès la première année de la mission en 2006, qui a permis d’établir le phasage complexe des élévations et de constater la présence d’une phase antérieure au XIe siècle au niveau de l’annexe nord (sacrisitie-memoria) Une première tranchée de sondage avait également été ouverte en 2006, révélant les vestiges du mur-stylobate n…
Adaptive Planning in-Service Inspections of Fatigued Structures in Damage Tolerance Situations via Observations of Crack Growth Process
2017
From an engineering standpoint the fatigue life of a fatigued structure consists of two periods: (i) crack initiation period, which starts with the first load cycle and ends when a technically detectable crack is presented, and (ii) crack propagation period, which starts with a technically detectable crack and ends when the remaining cross section can no longer withstand the loads applied and fails statically. The main aim of this paper is to present more accurate innovative stochastic fatigue model for adaptive planning inspections of fatigued structures in damage tolerance situations via observations of crack growth process during a crack propagation period. A new crack growth equation is…