363 research outputs found
Matilde Serao in Sweden. A Voice of "The New Italy"
No full textThis chapter examines the contemporary reception of Matilde Serao's works in Swedish newspapers from 1885 to the first years of the twentieth century. This analysis provides a historical background for understanding why Serao's masterpiece Il paese di cuccagna (1891) was translated in Swedish as early as 1892. In fact, Serao was already known to the Swedish public through the activity of C.D. af Wirsén, an important conservative critic who reviewed her original work and contributed to establishing Serao's reputation as a major contemporary author. Furthermore, examination of recently digitalized Swedish newspapers shows that Serao's short stories were published on at least twenty occasions from 1888 to 1897. These anonymous translations can be attributed with a high degree of probability to the pen of Ellen Lundberg-Nyblom, the translator of Il paese di cuccagna. Swedish reviewers greeted Serao as a master of vivid description and an insightful painter of human passions. At the same time, the fact that Serao, being a woman, was professionally active as a journalist and a newspaper editor attracted attention of Swedish media, transforming the Neapolitan author into a public figure known to a broader audience.Ce chapitre traite de la réception des œuvres de Matilde Serao dans les journaux suédois, de 1885 aux premières années du xxe siècle. Avant la traduction de son chef-d’œuvre Il paese di Cuccagna (1891) dès 1892, Serao était déjà connue en Suède grâce au critique C.D. af Wirsén, qui l’a présentée comme une autrice contemporaine de premier plan. Les traductions anonymes des nouvelles de Serao, publiées entre 1888 et 1897 et attribuées ici à Ellen Lundberg-Nyblom, ont joué un rôle tout aussi important.</p
Investigating the ISM of local Seyfert galaxies by modelling their CO SLED
No full textI will present a coherent multi-band analysis of the CO Spectral Line Energy Distribution (SLED) of two local Seyfert galaxies, NGC 34 and NGC 7130. These galaxies are prototypes of systems where the star formation and the accretion onto supermassive black holes coexist. The goal of the proposed study is to assess the impact of the two mechanisms on the physics of the molecular gas. We carried out our investigation by modelling the observed CO SLED, taking advantage of ALMA, Herschel, XMM and NuSTAR data. X-ray data analysis confirmed the presence (and allowed us to measure the power) of a heavily obscured AGN in both systems, whereas ALMA high resolution allowed us to scan the nuclear region, where the influence of the accretion could dominate, down to a spatial scale of ~ 100 pc for the CO(6–5) transition. We considered Photo-Dissociation Region (PDR), X-ray-Dominated Region (XDR) and shock models. PDRs are regions whose physics and chemistry are mainly dominated by far UV radiation produced by OB stars, while XDRs are influenced by the presence of X-ray photons, possibly due to an AGN. UV and X-ray radiation causes a different luminosity distribution over the CO rotational lines, since X-ray photons have a higher gas heating efficiency and are capable of penetrating at a larger column density of the gas than UV photons, causing the resulting CO SLEDs to be peaked at higher-J rotational transitions. Shock waves, originating from the supersonic injection of mass into the interstellar medium by stellar winds, supernovae and/or young stellar objects, can compress and heat the gas above T ~ 100 K, making the high-J CO rotational energy levels more populated. Both in NGC 7130 and in NGC 34, we found that the low-J transitions can be explained by PDRs, whereas the high rotational ladder requires the presence of a separate source of excitation, that we identified with X-ray heating due to the AGN. Hence, the observed CO SLED can be reproduced by adopting a composite PDR+XDR model, demonstrating that also the influence of the AGN is needed to reproduce the observed molecular emission (Pozzi et al. 2017, Mingozzi et al. 2018). Our study clearly indicates the capabilities offered by the current generation instruments at different wavelengths in shedding light on the properties of nearby galaxies, adopting the state-of-the-art physical modelling. The future exploitation of the data in the ALMA archive will allow us to enlarge the sample and place the results of NGC 34 and NGC 7130 on a more statistically significant context. Moreover, we intend to extend the analysis performed on the CO to other molecules, such as HCN, HCO+, for which we have already required and obtained APEX data (P.I. Francesca Pozzi), and we aim to obtain ALMA observations. These molecules, characterised by higher critical densities (log(n/cm-3) = 5 - 6) than CO, allow to trace a different parameter space of the giant molecular clouds, and their flux ratios permit to envisage the presence and strength of an AGN.</p
Matilde Espinosa o la Metáfora de la Poesía
No full textThe work written by the Colombian poet Matilde Espinosa de Pérez de serves to be
known and recognized by the literary review, so according to this, the article below is a study
about two of her last works: The dark land and The town gets into dark. This paper analyses the
poetic conception of the female author, the a esthetic connection of her work with her passing
within everyday life as a mother, woman and female writer and, the standing she considers
among pain, life and death as elements that constitutes her poetic ar
Gas-phase Metallicity of Local Active Galactic Nuclei in the GASP and MaNGA Surveys: The Role of Ram Pressure Stripping
No full textGrowing evidence in support of a connection between active galactic nuclei (AGN) activity and the ram pressure stripping (RPS) phenomenon has been found both observationally and theoretically in the past decades. In this work, we further explore the impact of RPS on the AGN activity by estimating the gas-phase metallicity of nuclear regions and the mass–metallicity relation of galaxies at z ≤ 0.07 and with stellar masses , either experiencing RPS or not. To measure oxygen abundances, we exploit Integral Field Spectroscopy data from the GASP and MaNGA surveys, photoionization models generated with the code Cloudy and the code Nebulabayes to compare models and observations. In particular, we build Cloudy models to reproduce line ratios induced by photoionization from stars, AGN, or a contribution of both. We find that the distributions of metallicity and [O iii ] λ 5007 luminosity of galaxies undergoing RPS are similar to the ones of undisturbed galaxies. Independently of the RPS, we do not find a correlation between stellar mass and AGN metallicity in the mass range , while for the star-forming galaxies we observe the well-known mass–metallicity relation between with a scatter mainly driven by the star formation rate and a plateau around . The gas-phase metallicity in the nuclei of AGN hosts is enhanced with respect to those of star-forming galaxies by a factor of ∼ 0.05 dex regardless of the RPS
Yoroppa, tokuni Itaria ni okeru Encho no juyo ni tsuite
No full textThe essay analyzes the reception of San'yutei Encho, in Europe and in Italy, starting from the fundamental role of Lafcadio Hearn to the most recent translation in Italian, "The Peony Lantern", of the author of the essay. After the stages of presentation of Encho in Europe, the author of the essay points out that in the case of Italy, the contemporary Italian ghosts literature prepared a fertile ground to receive Encho in Italy
Mori Ogai. Il romanticismo e l'effimero. La trilogia tedesca
No full text"Il romanticismo e l’effimero" raccoglie e commenta, con un approccio originale, i primi tre racconti dello scrittore Mori ?gai, conosciuti nell’insieme come “trilogia tedesca”, mettendo in evidenza come l’autore abbia unito il tema romantico europeo con l’estetica dell’effimero giapponese. "Romanticism and the ephemeral" gathers and comments, with an original approach, the first three stories of the author Mori ?gai, known as "German trilogy", highlighting how the author has joined the European romantic theme with the Japanese aesthetics of ephemerality
Kaidan kurabe. Napori to Edo, Tokyo no hikaku no kokoromi
No full textIn this paper the author analyse the differences between the some aspetcs of japanese ghost novel and italian ghost novel, in particular the Napoli's modern repartory. In every country ghost stories show different aspects and characteristics. The religion and several aspects of a culture influence the relationship between every day life and the realm of the dead. In this paper the author analyse the differences between the some aspetcs of japanese ghost novel and italian ghost novel, in particular the Napoli's modern literature repartory
Investigating the ISM of local Seyfert galaxies by modelling their CO SLED
No full textI will present a coherent multi-band analysis of the CO Spectral Line Energy Distribution (SLED) of two local Seyfert galaxies, NGC 34 and NGC 7130. These galaxies are prototypes of systems where the star formation and the accretion onto supermassive black holes coexist. The goal of the proposed study is to assess the impact of the two mechanisms on the physics of the molecular gas. We carried out our investigation by modelling the observed CO SLED, taking advantage of ALMA, Herschel, XMM and NuSTAR data. X-ray data analysis confirmed the presence (and allowed us to measure the power) of a heavily obscured AGN in both systems, whereas ALMA high resolution allowed us to scan the nuclear region, where the influence of the accretion could dominate, down to a spatial scale of ~ 100 pc for the CO(6–5) transition. We considered Photo-Dissociation Region (PDR), X-ray-Dominated Region (XDR) and shock models. PDRs are regions whose physics and chemistry are mainly dominated by far UV radiation produced by OB stars, while XDRs are influenced by the presence of X-ray photons, possibly due to an AGN. UV and X-ray radiation causes a different luminosity distribution over the CO rotational lines, since X-ray photons have a higher gas heating efficiency and are capable of penetrating at a larger column density of the gas than UV photons, causing the resulting CO SLEDs to be peaked at higher-J rotational transitions. Shock waves, originating from the supersonic injection of mass into the interstellar medium by stellar winds, supernovae and/or young stellar objects, can compress and heat the gas above T ~ 100 K, making the high-J CO rotational energy levels more populated. Both in NGC 7130 and in NGC 34, we found that the low-J transitions can be explained by PDRs, whereas the high rotational ladder requires the presence of a separate source of excitation, that we identified with X-ray heating due to the AGN. Hence, the observed CO SLED can be reproduced by adopting a composite PDR+XDR model, demonstrating that also the influence of the AGN is needed to reproduce the observed molecular emission (Pozzi et al. 2017, Mingozzi et al. 2018). Our study clearly indicates the capabilities offered by the current generation instruments at different wavelengths in shedding light on the properties of nearby galaxies, adopting the state-of-the-art physical modelling. The future exploitation of the data in the ALMA archive will allow us to enlarge the sample and place the results of NGC 34 and NGC 7130 on a more statistically significant context. Moreover, we intend to extend the analysis performed on the CO to other molecules, such as HCN, HCO+, for which we have already required and obtained APEX data (P.I. Francesca Pozzi), and we aim to obtain ALMA observations. These molecules, characterised by higher critical densities (log(n/cm-3) = 5 - 6) than CO, allow to trace a different parameter space of the giant molecular clouds, and their flux ratios permit to envisage the presence and strength of an AGN.</p
Wagei no honyaku: yomareru tekisuto to enjirareru tekisuto (La traduzione delle arti declamatorie: tra testo letto e testo recitato)
No full textOne of the most important purposes of translation of literature is the introduction and presentation of a work of art in a different country. Every literature repartory - theater, novel, poetry - shows different problems and challenges when they are translated. In this article the author analyse the elements that the translator has to consider in translation of a theater text, and in particular in translation of oral performances and storyteller's performances
Feynman motives
No full textThis book presents recent and ongoing research work aimed at understanding the mysterious relation between the computations of Feynman integrals in perturbative quantum field theory and the theory of motives of algebraic varieties and their periods. One of the main questions in the field is understanding when the residues of Feynman integrals in perturbative quantum field theory evaluate to periods of mixed Tate motives. The question originates from the occurrence of multiple zeta values in Feynman integrals calculations observed by Broadhurst and Kreimer.
Two different approaches to the subject are described. The first, a “bottom-up” approach, constructs explicit algebraic varieties and periods from Feynman graphs and parametric Feynman integrals. This approach, which grew out of work of Bloch–Esnault–Kreimer and was more recently developed in joint work of Paolo Aluffi and the author, leads to algebro-geometric and motivic versions of the Feynman rules of quantum field theory and concentrates on explicit constructions of motives and classes in the Grothendieck ring of varieties associated to Feynman integrals. While the varieties obtained in this way can be arbitrarily complicated as motives, the part of the cohomology that is involved in the Feynman integral computation might still be of the special mixed Tate kind. A second, “top-down” approach to the problem, developed in the work of Alain Connes and the author, consists of comparing a Tannakian category constructed out of the data of renormalization of perturbative scalar field theories, obtained in the form of a Riemann–Hilbert correspondence, with Tannakian categories of mixed Tate motives. The book draws connections between these two approaches and gives an overview of other ongoing directions of research in the field, outlining the many connections of perturbative quantum field theory and renormalization to motives, singularity theory, Hodge structures, arithmetic geometry, supermanifolds, algebraic and non-commutative geometry.
The text is aimed at researchers in mathematical physics, high energy physics, number theory and algebraic geometry. Partly based on lecture notes for a graduate course given by the author at Caltech in the fall of 2008, it can also be used by graduate students interested in working in this area
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