152 research outputs found
Ristrutturazione e ampliamento del cimitero comunale di Morano Calabro
No full textIL progetto, secondo classificato al concorso nazionale, interpreta il tema dell'ampliamento del cimitero comunale di Morano Calabro con una struttura aperta, in grado di crescere nel tempo mediante la iterazione dei muri dei loculi che segnano la pendenza del terreno naturale
La nature et le rôle des galaxies à flambée d'étoiles dans l'univers lointain
No full textThe thesis investigates the morphology, the physical properties andtriggering mechanisms of starburst galaxies at intermediate redshifts z. Starbursts (SB)are galaxies with a star-formation rate (SFR) much higher than the average populationlying on the SFR - stellar mass main correlation sequence. At high-z, SBs are thoughtto be the progenitors of passive ellipticals that we find in the local Universe. However,there is still a hot debate on their nature and role: they are the most luminous systemsand easiest to detect and study (e.g., in the infrared), but we do not know whether theyare representative of the bulk of the SFR activity. Moreover, we do not know whetherthey are triggered by major mergers or they are simply gas-rich isolated systemsexperiencing anomalous gas accretion events. The dust attenuation and metallicity arecrucial quantities to test the merger hypothesis, but, for better constraining them, it isfundamental to observe the galaxies at near infrared rest-frame wavelengths, whichcan penetrate deeper through the dust compared to optical diagnostics. To this aim, Iobserved, reduced and analyzed the near-IR spectra of a representative sample of 25SBs at 0.5 < z < 0.9, using the Magellan-FIRE spectrograph. Comparing the Paschenβ and Hα lines to the bolometric infrared luminosities, I found that starbursts hostextremely compact optically thick star-forming cores, which can be only explainedby assuming they are triggered by major mergers events (Calabro et al. 2018, ApJLetters). Additionally, the observations indicate that at high obscurations the dustand young stars are homogeneously mixed, and the dust-screen geometry model doesnot hold anymore. I also found that the attenuation of the galaxies correlates withother physical properties, such as the size in radio, the [NII]/Hα ratio, the line velocitywidth and the equivalent width of Balmer and Paschen lines, all of which correlationsare interpreted as a sequence of different time-evolutionary merger stages (Calabroet al. 2019, A&A). Intriguingly, X-ray emission was detected for six mergers only inthe late phases, suggesting emergent AGNs possibly leading to a final bright quasarfor these systems. The qualitative agreement between the X-ray attenuation and thatinferred from the infrared also suggests a peculiar dust/gas distribution, where mostof the obscuration affecting the AGN emission is produced in the host galaxy ISM, onscales of 102-103 pc, rather than in the AGN torus. Furthermore, looking at HST i-bandimages, starbursts at the same redshift have a morphology that is systematically moreclumpy compared to normal star-forming isolated disks with matching stellar masses.Indeed, SBs are statistically more dominated by off-nuclear bright patches of stellaremission, contributing up to 20% to the total emission at those wavelengths. Whilemost studies explain such clumps through violent gravitational instabilities in gas-richturbulent disks, my result indicates that mergers are also a powerful and competitivechannel for clumps formationCette thèse étudie la morphologie, les propriétés physiques et les mécanismes de déclenchement des galaxies à flambée d’étoiles à redshift intermédiaire. Les Starbursts (SB) sont des galaxies avec un taux de formation d'étoiles (SFR) bien supérieur à la population moyenne située sur la séquence de corrélation principale SFR - masse stellaire.À haut redshift, on pense que les SB sont les progéniteurs des elliptiques passifs que l'on trouve dans l'univers local. Cependant, leur nature et leur rôle sont encore débattues : ces systèmes sont les plus lumineux et les plus faciles à détecter et à étudier (par exemple dans l'infrarouge), mais nous ne savons pas s'ils sont représentatifs de la majorité de l’activité de formation d'étoiles. De plus, nous ne savons pas si elles sont déclenchées par des fusions ou s'il s'agit simplement des systèmes isolés riches en gaz ayant eu un afflux de gaz anormal. L'atténuation de la poussière et la métallicité sont des quantités cruciales pour tester l'hypothèse de fusion, mais, pour mieux les contraindre, il est fondamental d'observer les galaxies à des longueurs d'ondes de l'infrarouge proche au repos, qui peuvent pénétrer plus profondément à travers la poussière par rapport aux diagnostics optiques.Dans cet objectif, j’ai observé, réduit et analysé les spectres infrarouges d’un échantillon de 25 SB à 0.5 <z <0.9. En comparant les raies de Paschen β et Hα aux luminosités infrarouges totales, j'ai trouvé que les starbursts hébergent des noyaux optiquement épais et très obscurcis, qui peuvent être expliqués seulement par des fusions (Calabro et al. 2018, ApJ Letters). De plus, les observations indiquent que la poussière et les jeunes étoiles sont mélangées de manière homogène et que le modèle géométrique à écran de poussière n’est pas valable. J'ai également constaté que l'atténuation des galaxies est corrélée à d'autres propriétés physiques, telles que la taille en radio, le rapport de raies [NII]/Hα, la largeur des raies d’émission et la largeur équivalente des raies de Balmer et de Paschen. J’ai interprété ces corrélations comme une séquence de différentes étapes temporelles de fusion (Calabro et al. 2019, A&A). Curieusement, des émissions de rayons X n’ont été détectées que dans 6 galaxies en phases tardives de fusion, suggérant des AGN émergents qui peuvent conduire finalement à un quasar lumineux. La similarité entre l'atténuation des rayons X et celle déduite de l'infrarouge suggère également une distribution particulière de la poussière et du gaz, où la plus grande partie de l'obscurcissement affectant l'émission AGN est produite dans le milieu interstellaire de la galaxie hôte, à des échelles de 10^2-10^3 pc, plutôt que dans le tore de l'AGN.De plus, en regardant les images HST dans la bande i, les galaxies starburst au même redshift sont dominés (par rapport aux disques normaux isolés) par des régions de formation stellaire très lumineuses (appelé « clumps »), situé dehors de la région nucléaire centrale. Ces clumps sont généralement attribués à des instabilités gravitationnelles violentes produit dans des disques turbulents riches en gaz. Mon étude toutefois suggère que les fusions, en plus que déclencher l’activité de formation stellaire starburst, constituent des canaux importants et compétitifs même pour la formation des clump
"La Pineta" e il centro storico. L'albergo isolato e l'albergo diffuso (Progetto di recupero dell'albergo "La Pineta" a Chiaramonte Gulfi, Ragusa)
No full textCome Chiaramonte Gulfi, circondato dal muro continuo delle case costruite negli anni ’70, rimanda all’immagine di una città fortificata che controlla la pianura sottostante, così l’Albergo La Pineta, con la sua configurazione turriforme appare come un castello che protegge dall’alto l’insediamento sottostante. Esiste un rapporto dialettico fra città e edificio non privo di interessanti riferimenti morfologici. Ma l’Albergo La Pineta, sede per venticinque anni di numerosi eventi mondani, visibile da diversi punti della vallata e da molte delle ripide stradine del centro chiaramontano, è una presenza incombente per gli abitanti, perché nello stato di abbandono e degrado in cui è ridotto ricorda loro la fine di una apertura nazionale e internazionale della città che si è bruscamente interrotta proprio nel momento in cui poteva aprire nuove prospettive, che sembrano oggi non più proponibili. Molti sono tentati dal rimuovere questa presenza, ma ciò non è possibile in quanto l’edificio è un bene pubblico per il quale il Comune sta ancora pagando un mutuo. Inoltre la sua demolizione sarebbe un’operazione molto complessa data la posizione dell’edificio e la ricostruzione di una eguale volumetria non avrebbe le autorizzazioni per i vincoli posti dal Piano Paesaggistico sul territorio comunale coperto da foreste e boschi
Il diritto all’istruzione dell’alunno disabile: principio di uguaglianza sostanziale e “tailorizzazione” del servizio
No full textAfter briefly framing the discipline of the disabled child’s right to education in its social dimension, the author focuses on three specific and significant profiles: the differentiated educational paths; the school-home transport service; the case law in the management of the educational service. In implementino the principles of substantial equality and good performance, the author concludes by emphasizing the need that the educational service for the disabled pupil is offered with a view to maximum personalization, essential prerequisite for achieving the goal of effective inclusio
Le certificazioni di qualità ambientale di prodotto quali fattori di competitività per il made in Italy
No full textThe article takes as its starting point of view the analysis of the modern theories that affirm that environmental protection need, next to “command and control” policies, the involvement of the business world, considering the environment not only as a cost, but also as an investment. The author focus his attention on the business actions directed to increase competitiveness not depressing prices, but acquiring the consumers that are sensitive to environmental aspects. The author points out the increasing importance that are gaining, in this field, the quality product labels and, therefore, examines the positive and negative features of these labels, particularly focusing on the european Ecolabel. The diffusion of the use of these labels also derives from the recent development of the public purchase policies so-called Green Public Procurement (GPP), on the strength of whom public administrations introduce also environmental aspects in the contracts evaluation procedures. The author concludes underlining how, in this context, the public policy should leave the authoritative approach, rather centring its actions in steering the business and consumers choices towards a “favorable” environmental protection
Gli incerti confini tra azione penale e funzione amministrativa nel settore della tutela ambientale: la prospettiva della integrazione collaborativa
No full textThis paper aims at analyzing the relationship between the exercise of the
administrative function and criminal prosecution, in the field of environmental
protection. The examination of some emblematic case-law highlights how the
criminal judge — despite the laudable aim of guaranteeing the highest protection of the environment — has on several occasions subjected the exercise of administrative
activity outside the boundaries of the “criminally relevant”. This resulted in clear
forcing of the system, such as to involve a real substitution of the judge for the public
administration. In investigating the critical issues connected to this praxis, the author
proposes some solutions for a reassessment of the relationship between powers from
a cooperative perspective, aimed at guaranteeing integrated protection of the environment, with the respect of institutional competences.Il contributo ha ad oggetto l’analisi della relazione tra esercizio della funzione
amministrativa e dell’azione penale nel settore della tutela dell’ambiente. L’esame di alcune vicende giudiziarie particolarmente emblematiche fa emergere come il
giudice penale — pur con la lodevole finalità di garantire la più elevata tutela del
bene ambiente — abbia in più occasioni sottoposto a verifica l’esercizio dell’attività amministrativa ben al di fuori dei confini del “penalmente rilevante”, con
conseguenti forzature del sistema tali da comportare una vera e propria sostituzione del primo alla seconda. Nell’indagare le criticità connesse a tale prassi,
l’autore prospetta alcune soluzioni per una ricomposizione della relazione tra
poteri in un’ottica di tipo cooperativo, finalizzata a garantire una tutela integrata
dell’ambiente rispettosa delle competenze istituzionali
Semplificazione procedimentale ed esigenze di tutela dell'ambiente: l'autorizzazione integrata ambientale
No full textThe article takes as its starting point the analysis of the Integrated Pollution prevention and Control (IPPC) European and domestic discipline, recently amended, examining the different aspects under the double view of the environmental conservation and the procedural simplification. Therefore, the paper draws attention to the strength and weak procedural points, dwelling on the particular relationship existing between IPPC and Environmental Impact Assessment (EIA), underlining how, in this case, the procedural unification can bring negative effects to the overall environmental conservation. Than, the author points out that some simplification models are absolutely consistent with the primary aim represented by the environmental conservation: in particular, it has to be admitted both to intervene on the procedural complexity and to bring in coordination systems between authorities involved. That being stated, the author concludes that the IPPC can represent a simplification legal institute only if we interpret simplification not as a value in itself – merely directed to expedite procedure – but as application of adequate measures to achieve more effectively the legal result specified in the law, result which, in this case, is represented by the environmental conservation
Semplificazione procedimentale e esigenze di tutela dell’ambiente: l’autorizzazione integrata ambientale
No full textThe article takes as its starting point the analysis of the Integrated Pollution prevention and Control (IPPC) European and domestic discipline, recently amended, examining the different aspects under the double view of the environmental conservation and the procedural simplification. Therefore, the paper draws attention to the strength and weak procedural points, dwelling on the particular relationship existing between IPPC and Environmental Impact Assessment (EIA), underlining how, in this case, the procedural unification can bring negative effects to the overall environmental conservation. Than, the author points out that some simplification models are absolutely consistent with the primary aim represented by the environmental conservation: in particular, it has to be admitted both to intervene on the procedural complexity and to bring in coordination systems between authorities involved. That being stated, the author concludes that the IPPC can represent a simplification legal institute only if we interpret simplification not as a value in itself – merely directed to expedite procedure – but as application of adequate measures to achieve more effectively the legal result specified in the law, result which, in this case, is represented by the environmental conservation
Understanding Ritual Hand Gestures of the Ancient World: Some Basic Tools
No full textThe ritual use of hand gestures in covenant-making in ancient times is a topic of peculiar interest to Latter-day Saints. In this article, David Calabro summarizes results drawn from his doctoral research, providing readers with some tools to evaluate ancient gestures. The questions he suggests are novel, as is the way they are couched in an organized scheme. The author concludes that Latter -day Saints, who belong to a tradition saturated with ritual gestures, should be among those most educated about them
Diritti di accesso e profili rimediali. Spunti di riflessione per l’introduzione di una ipotesi di giurisdizione condizionata
No full textThis paper starts from the consideration that - despite the recent enhancement of the principle of transparency that has affected the Italian legal system, as well as the (apparently) incontrovertible limits imposed on the exercise of the several rights of access (documental, civic and generalized) - still today there are numerous cases in which the citizen is illegitimately denied or deferred his right of access to documents and information held by the public administration. The relevance of the underlying interests (pursuant to article 29, paragraph 2-bis of Law 241/1990, the right of access pertains to the essential levels of benefits and services referred to the article 117, paragraph 2, letter m) of the Italian Constitution), has therefore long led the Italian legislator to introduce a special jurisdictional proceeding, inspired by the criterions of simplicity and speed. Starting from these premises, the paper - after a brief examination of the main characteristics of the special proceeding aimed at protecting the rights of access and of some of its limits in terms of effectiveness – focuses at first, critically, on the choice of the Italian legislator to extend tout court the aforementioned special proceeding also to the rights of access more recently introduced (civic and generalized), despite the deep differences (in terms of assumptions and purposes) existing between these new rights and the right of access ex artt. 22 and ss., L.n. 241/1990. The critical issues that emerge from the point of view of jurisdictional protection lead, then, to the examination of the degree of effectiveness that can be found in the models of alternative dispute resolution remedies to protect rights of access, included in the Italian legal system. With this in mind, the contribution aims to bring out the advantages, for the citizen injured in his rights of access to administrative documents, in using non-jurisdictional remedies, in terms of effectiveness, cost and speed. In the light of the results, the author concludes illustrating, de iure condendo, the benefits deriving from the possible introduction of a situation of conditional jurisdiction (to a previous experiment of an administrative remedy) in the particular context of the protection of rights of access
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