17,419 Works

Effects of habitat characteristics on cryptic fish assemblages

Santin, Selvaggia <1977>
Habitat structure is known to influence the abundance of fishes on temperate reefs. Biotic interactions play a major role in determining the distribution and abundance of species. The significance of these forces in affecting the abundance of fishes may hinge on the presence of organisms that either create or alter habitat. On temperate reefs, for example, macroalgae are considered autogenic ecosystem engineers because they control resource availability to other species through their physical structure and...

On contextually embedded choices

Diego Lanzi
Starting from Amartya Sen's works on rational behaviour, in this essay a contextually-embedded choice theory is presented. Using concepts and tools from poset mathematics, we show how to inject in rational choice theory cultural and social effects. Specifically, we define some choice super-structures seen as choice sets' transformations imposed by accepted external consistency of choice requirements. As we will argue, these applications can be of some help in explaining preference changes within different contexts fo...

Epos orale russo tra oralità e scrittura: problemi e proposte di traduzione

Moroni, Elisa <1977>
In the present thesis, I discuss the role of orality in translation, taking into account the problems arising while translating Russian folk epics. I investigate the meaning of orality in the context of folkloristic translation, trying to define a concept of oral poetry, and exploring its consequences for translation. In the first chapter, I try to identify the main differences between written literature and oral modes of expression, with special reference to folklore. Oral verbal...

Il vocabolario del potere fra intento etico-morale e tutela sociale. I lemmi dei Capitolari Carolingi nel Regnum Italicum (774-813)

Scalenghe, Marco <1979>
Il vocabolario del potere fra intento etico-morale e tutela sociale. I lemmi dei Capitolari Carolingi nel Regnum Italicum (774-813), costituisce il risultato di una ricerca condotta sul lessico della legislazione carolingia promulgata per il Regno Italico dal momento della conquista dei Franchi sino alla morte di Carlomagno. L’analisi ha preso in esame tutti i lemmi, soprattutto sostantivi e aggettivi, riconducibili alla sfera etica e morale, e alla concezione della libertà della persona. Il lavoro si...

Epigenetic role of N-Myc in Neuroblastoma

Milazzo, Giorgio <1985>
Childhood neuroblastoma is the most common solid tumour of infancy and highly refractory to therapy. One of the most powerful prognostic indicators for this disease is the N-Myc gene amplification, which occurs in approximately 25% of all neuroblastomas. N-Myc is a member of transcription factors belonging to a subclass of the larger group of proteins sharing Basic-Region/Helix–Loop–Helix/Leucin-Zipper (BR/HLH/LZ) motif. N-Myc oncoproteins may determine activation or repression of several genes thanks to different protein-protein interactions that...

Barbari e diritto nell'Occidente postcostantiniano

Lorenzo Fascione
Il tardoantico occidentale è caratterizzato dall’accoglienza e dallo stanziamento di popolazioni originarie d’oltre confine, che vengono assimilate nella massa dei sudditi, o che rimangono autonome sotto la guida dei loro re. Queste recepiscono il diritto romano secondo la disciplina stabilita dal Codice Teodosiano che, pur iniziando ad affermare la supremazia del diritto imperiale, manifesta ancora la indispensabilità del diritto giurisprudenziale, secondo la più genuina tradizione occidentale. Western Late Antiquity is characterized by the process of...

Unlimited bandwidth TWT predistortion lineariser MMICs for Ku- and Ka-band Operation

P. Kangaslahti, S. Kalajo, V. Porra & P. Jukkala
Novel types of predistortion MMICs for the linearisation of short and standard length travelling wave tubes were developed. We measured single setting optimum performance over a wider a bandwidth than any previously reported. The two designed chip sets operated correctly at the specified 10.7 to 12.7GHz and 18.5 to 20.2GHz bands, however, there is no limitation to the wider bandwidth operation of the circuits. By utilising a transmission line simulating network of series inductors and...

Dynamics of productivity and cost of labor in Italian Manufacturing firms

Giulio Bottazzi & Marco Grazzi
This paper studies the impact of size on labor cost and productivity for Italian manufacturing firms. The distributions of both labor cost and productivity display a wide support, even when disaggregated by sector of industrial activity. Further, both labor cost and productivity, when considered alone, are growing with the size of the firm. We investigate this relationship on a new set of data and we are able to show that once accounted for productivity differences...

A moment symbolic representation of Lévy processes with applications

Oliva, Immacolata <1982>
By using a symbolic method, known in the literature as the classical umbral calculus, a symbolic representation of Lévy processes is given and a new family of time-space harmonic polynomials with respect to such processes, which includes and generalizes the exponential complete Bell polynomials, is introduced. The usefulness of time-space harmonic polynomials with respect to Lévy processes is that it is a martingale the stochastic process obtained by replacing the indeterminate x of the polynomials...

On the private and social desirability of mixed bundling in complementary markets with cost savings

Christine Halmenschlager & Andrea Mantovani
The aim of this paper is to study both the private and the social desirability of a mixed bundling strategy that generates a cost savings effect. We confirm that mixed bundling is the dominant strategy for multiproduct firms, although it may give rise to a prisoner’s dilemma. Moreover, we show that mixed bundling may maximise social welfare, provided that cost savings are sufficiently high. Finally, we highlight the parametric regions where the social and the...

L’Orientalismo tra vocazione imperialista, suggestioni esotiche e omoerotiche. Le rappresentazioni storiche del passaggio tra l’epoca omayyade e abbaside.

Al-Kazraji, Hussein Talal Mohamed <1984>
Lo studio si tratta di mettere in evidenza il cambiamento che ha subito il termine Oriente nel secolo XX in alcuni testi della letteratura italiana contemporanea. L’opera di Edward Said, L’Orientalismo è un testo di riferimento per i nostri studi. Nel quale abbiamo focalizzato l’attenzione su alcuni aspetti salienti: il concetto di orientalismo; l’interesse nei confronti dell’Oriente sul piano politico, scientifico, letterario; l’impossibilità di separare lo studioso dalle circostanze biografiche e sociali. Siamo riusciti, quindi,...

The reconstruction of skeletal movement: the soft tissue artefact issue

Bonci, Tecla <1986>
In 3D human movement analysis performed using stereophotogrammetric systems and skin markers, bone pose can only be estimated in an indirect fashion. During a movement, soft tissue deformations make the markers move with respect to the underlying bone generating soft tissue artefact (STA). STA has devastating effects on bone pose estimation and its compensation remains an open question. The aim of this PhD thesis was to contribute to the solution of this crucial issue. Modelling...

Le forme del lavoro associato con particolare riguardo all'associazione in partecipazione

Miscione, Alessandra <1978>
The thesis has three chapters. The first one focuses in general on the associated employment, trying to give a unitary perspective and to show the several readings given by scholars. In detail, the thesis underlines the peculiar features of the associated employment relationships. The following chapters deal with the contract of “associazione in partecipazione” labour intensive. In the second chapter, this contract is analysed as it was originally provided by the Civil Code, with references...

Giornata di studi - Dottorato in Storia, culture e politiche del globale

Alexandros Alexandropoulos, Elisa Bassetto, Jacopo Bonasera, Anna Guerini, Chiara Lovotti, Pasquale Menditto, Silvia Pizzirani & Licia Proserpio
La Giornata di studi è un incontro organizzato all'interno del Dottorato di ricerca in Storia, culture e politiche del globale, corso di dottorato interdipartimentale del Dipartimento di Storia Culture Civiltà (DiSCi) e del Dipartimento di Scienze Politiche e Sociali (SPS). L'occasione è utile ai/alle dottorandi/e del primo anno di corso per discutere i primi progressi della ricerca dottorale con un/a esperto/a del proprio campo di studi. Giunto alla sue seconda edizione, l'incontro si è tenuto...

Ruolo dei recettori tirosinchinasici in oncologia animale

Sabattini, Silvia <1982>
Disregolazioni dei recettori tirosinchinasici (RTK) sono di frequente riscontro nei tumori dell’uomo e in molti casi sono indicatori biologici che permettono di definire in maniera più accurata la prognosi dei pazienti. Possono rappresentare inoltre marker predittivi per la risposta a terapie antitumorali con farmaci a bersaglio molecolare. Numerosi inibitori tirosinchinasici (TKI) sono attualmente in corso di studio o già disponibili per l’utilizzo in oncologia umana, e molti di questi hanno dimostrato una significativa efficacia utilizzati...

La promozione dell'inclusione nei sistemi scolastici attraverso l'intervento di cooperazione internazionale: l'esperienza di El Salvador

Taddei, Arianna <1979>
La ricerca si colloca all’interno di un complesso intervento di cooperazione internazionale realizzato in El Salvador tra il 2009 e il 2014. Il Progetto di cooperazione è stato promosso dal Dipartimento di Scienze dell’Educazione dell’Università di Bologna e finanziato dalla Cooperazione Italiana. L’esperienza studiata rappresenta un esempio di promozione dell’inclusione nei sistemi scolastici di Paesi del Sud del mondo e si propone due obiettivi: 1) analizzare il processo di cambiamento della prospettiva di intervento promossa...

Lo Stato interculturale: una nuova eutopia? The Intercultural State: a new eutopia? El Estado intercultural: una nueva eutopia?

Silvia Bagni
Nell’ultimo decennio, e in particolar modo dall’approvazione delle nuove Costituzioni di Ecuador (2008) e Bolivia (2009), che dichiarano i rispettivi Stati come «interculturali», anche la scienza giuridica ha cominciato a interrogarsi sulla differenza di significato tra «multiculturalismo» e «interculturalismo» (possiamo ricordare, in proposito, un celebre articolo di Charles Taylor, Interculturalism or multiculturalism?, in Philosophy and Social Criticism, 38(4-5), 2011, 413-423). Il volume raccoglie le riflessioni di giuristi comparatisti sulle implicazioni normative che il riconoscimento del...

Context detection and abstraction in smart environments

Pettinari, Marina <1979>
Context-aware computing is currently considered the most promising approach to overcome information overload and to speed up access to relevant information and services. Context-awareness may be derived from many sources, including user profile and preferences, network information, sensor analysis; usually context-awareness relies on the ability of computing devices to interact with the physical world, i.e. with the natural and artificial objects hosted within the "environment”. Ideally, context-aware applications should not be intrusive and should be...

Sea-Level climate variability in the Mediterranean Sea

Bonaduce, Antonio <1980>
Sea-level variability is characterized by multiple interacting factors described in the Fourth Assessment Report (Bindoff et al., 2007) of the Intergovernmental Panel on Climate Change (IPCC) that act over wide spectra of temporal and spatial scales. In Church et al. (2010) sea-level variability and changes are defined as manifestations of climate variability and change. The European Environmental Agency (EEA) defines sea level as one of most important indicators for monitoring climate change, as it integrates...

Memory hierarchy and data communication in heterogeneous reconfigurable SoCs

Vitkovskiy, Arseniy <1979>
The miniaturization race in the hardware industry aiming at continuous increasing of transistor density on a die does not bring respective application performance improvements any more. One of the most promising alternatives is to exploit a heterogeneous nature of common applications in hardware. Supported by reconfigurable computation, which has already proved its efficiency in accelerating data intensive applications, this concept promises a breakthrough in contemporary technology development. Memory organization in such heterogeneous reconfigurable architectures becomes...

Economic Growth in Mozambique? An Assessment

Pier Giorgio Ardeni
In this paper we try to assess the nature, size and consistency of recent economic growth in Mozambique. We attempt to verify whether and to what extent this growth is unprecedented as has been claimed. We look at the available data to assess whether this growth is even across sectors and GDP components. Finally we try to assess whether by any indication we can say if observed growth is balanced and, if not, to what...

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