Results 1 to 10 of about 52,382 (204)

Light cone in a quantum spacetime

open access: yesPhysics Letters B, 2018
Noncommutative spacetimes are a proposed effective description of the low-energy regime of Quantum Gravity. Defining the microcausality relations of a scalar quantum field theory on the κ-Minkowski noncommutative spacetime allows us to define for the ...
Flavio Mercati, Matteo Sergola
doaj   +3 more sources

Extended noncommutative Minkowski spacetimes and hybrid gauge symmetries

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
We study the Lie bialgebra structures that can be built on the one-dimensional central extension of the Poincaré and (A)dS algebras in (1 + 1) dimensions.
Angel Ballesteros, Flavio Mercati
doaj   +4 more sources

Physical constraints on quantum deformations of spacetime symmetries

open access: yesNuclear Physics B, 2018
In this work we study the deformations into Lie bialgebras of the three relativistic Lie algebras: de Sitter, Anti-de Sitter and Poincaré, which describe the symmetries of the three maximally symmetric spacetimes. These algebras represent the centerpiece
Flavio Mercati, Matteo Sergola
doaj   +3 more sources

Relationship Between Rennet Coagulation Properties of Milk, Cheese-Making Losses, and Cheese Yield in Manufacture of Parmigiano Reggiano PDO Cheese. [PDF]

open access: yesFoods
The aim of this study was to assess the influence of milk’s rennet coagulation properties (RCPs) on cheese yield and cheese-making losses in the production of Parmigiano Reggiano PDO cheese. Higher contents of citric acid (181.10 vs. 172.13 vs. 166.47 mg/
Franceschi P   +5 more
europepmc   +2 more sources

Nascita del Museo dei Fori Imperiali e sistema di comunicazione integrato

open access: yesArcheomatica, 2017
The Museum of Imperial Fora is open since 2007 inside Trajan's Markets. The main subject of the Communication System of the Museum is focused on the reconstructions of the ancient buildings, starting from the fragments inside in archaeological areas, to ...
Marina Milella
doaj   +5 more sources

Il Museo Glass Beacon nei Mercati di Traiano – Museo dei Fori Imperiali: sperimentazione di storytelling in un museo di architettura antica

open access: yesArcheomatica, 2017
“The Museo Glass Beacon: the Museum of the Future” is an experimental project realized in the Museum of Imperial Fora in collaboration with ETT S.p.A., a company with experience in applying new technologies in the cultural industry. The project is based
Maria Caterina Schettini, Adele Magnelli
doaj   +5 more sources

Un’Avis Japonica in Vaticano? La natura dell’Oriente nella Roma del tardo Cinquecento

open access: yesCuadernos de Historia Moderna, 2023
L’articolo si interroga sul rapporto tra la Roma tardo cinquecentesca e la natura di un Oriente estremo, a partire dal caso dell’arrivo nella città di un esemplare femminile di un raro volatile, troppo rapidamente battezzato dal medico pontificio ...
Elisa Andretta
doaj   +1 more source

Luoghi urbani a vocazione commerciale, dalla crisi a nuove opportunità per la rigenerazione

open access: yesStoria e Futuro, 2022
Le aree a vocazione commerciale urbana nascono da uno sviluppo graduale “naturale”, in cui sono presenti tanti soggetti non coordinati. È necessario stimolare il processo di valorizzazione.
Ivano Ruscelli
doaj   +1 more source

2+1 gravity on the conformal sphere [PDF]

open access: yes, 2012
We show that there are 2 equivalent first order descriptions of 2+1 gravity with non-zero cosmological constant. One is the well-known spacetime description and the other is in terms of evolving conformal geometry.
Gryb, Sean, Mercati, Flavio
core   +2 more sources

Le prospettive dell'economia mondiale (The global economic outlook)

open access: yesMoneta e Credito, 2009
 La crisi dell’economia americana ha forti ripercussioni non solo sui paesi europei, ma sul mondo intero; le difficoltà di altri importanti paesi, come il Giappone e l’Argentina, già gravi, sono diventate ancora più gravi per la crisi americana. I paesi
Paolo Sylos Labini
doaj   +1 more source

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