663 research outputs found
The fundamental role of the repo market and central clearing
No full textThe repo market plays a crucial role in central bank monetary policy and in the funding of the banking system. In this paper, after reviewing the different economic functions of repo contracts, we provide an overview of the structure of government bond repo markets in core advanced economies. We identify three main forces that have driven the dynamics of the euro area repo market in recent years: collateral quality; excess liquidity and collateral scarcity; and the regulatory framework. These forces have a material impact on market activity, the level of applied interest rates and market liquidity conditions. In the European Union, their impact is more pronounced at the end of each quarter, when banks have to comply with regulatory ratios and other charges based on their financial statements. Finally, we explore the role of central clearing services (whose extensive use can help increase the stability and efficiency of the repo market) and the impact of the development of new client clearing models in the repo market, arguing that greater use of these models may lead to greater market efficiency and resilience
Efficiently Clustering Very Large Attributed Graphs
No full textAttributed graphs model real networks by enriching their nodes with attributes accounting for properties. Several techniques have been proposed for partitioning these graphs into clusters that are homogeneous with respect to both semantic attributes and to the structure of the graph. However, time and space complexities of state of the art algorithms limit their scalability to medium-sized graphs. We propose SToC (for Semantic-Topological Clustering), a fast and scalable algorithm for partitioning large attributed graphs. The approach is robust, being compatible both with categorical and with quantitative attributes, and it is tailorable, allowing the user to weight the semantic and topological components. Further, the approach does not require the user to guess in advance the number of clusters. SToC relies on well known approximation techniques such as bottom-k sketches, traditional graph-theoretic concepts, and a new perspective on the composition of heterogeneous distance measures. Experimental results demonstrate its ability to efficiently compute high-quality partitions of large scale attributed graphs
The Pottesman Collection in the British Museum. Early Dynastic and Sargonic administrative texts. With an Appendix on a Palmyrene Inscription
No full textEdizione, trascrizione, traduzione e commento di un frammento di iscrizione palmirena inedita presente nella collezione Pottesman del British Museum (Appendice Agostini).The British Museum houses a small collection of six cuneiform tablets and a Palmyrene dedicatory inscription purchased in 1987 from the private collection of Solomon Pottesman. The aim of the present contribution is to provide a catalog of this lot and an edition of the so far unpublished cuneiform texts. In the appendix, Alessio Agostini added the edition of the Palmyrene inscription, which would have otherwise gone beyond the capabilities of the present author
Recensione di Cecilia Falchini (2023). Ruperto di deutz - Un’intima familiarità. Antologia, Edizioni Qiqajon (Comunità di Bose), Magnano (Bi), 281 pp.
No full textReview of Cecilia Falchini (2023). Ruperto di deutz - Un’intima familiarità. Antologia, Edizioni Qiqajon (Comunità di Bose), Magnano (Bi), 281 pp.
Author: Alessio MagogaRecensione di Cecilia Falchini (2023). Ruperto di deutz - Un’intima familiarità. Antologia, Edizioni Qiqajon (Comunità di Bose), Magnano (Bi), 281 pp.
Autor: Alessio Magog
Handheld-Impedance-Measurement System with seven-decade capability and potentiostatic function
No full textThis paper describes design and test of a new impedance-measurement system for nonlinear devices that exhibits a seven-decade range and works down to a frequency of 0.01 Hz. The system is specifically designed for electrochemical measurements, but the proposed architecture can be employed in many other fields where flexible signal generation and analysis are required. The system employs an unconventional signal generator based on two pulsewidth modulation (PWM) oscillators and an autocalibration system that allows uncertainties of less than 3% to be obtained over a range of 1 kΩ to 100 GΩ. A synchronous demodulation processing allows the noise superimposed to the low-amplitude input signals to be made negligibl
El Tlacuache Núm. 16 (2001). 16 Año 1 (2001) octubre. El Tlacuache
No full text- ¿Entre la Guerra Santa y la Cruzada? por Aníbal Quijano. - Nuestro patrimonio desconocido por Teresita Loera y Anaite Monterforte. - El Yahutli por Margarita Avilés y Macrina Fuentes. - Haciendas por Carlos Fernando Alessio Robles
El Tlacuache Núm. 19 (2001). 19 Año 1 (2001) noviembre. El Tlacuache
No full text- Patrimonio cultural y monumento histórico: Tlayacapan un monasterio Agustino por Carlos Alessio Robles. - Nuestro patrimonio desconocido por Teresita Loera y Anaite Monterforte. - El Yauhtli por Margarita Avilés y Macrina Fuentes. - ¿Entre la Guerra Santa y la Cruzada? por Aníbal Quijano
Il GEIE "italiano" tra impresa e società
No full textA quasi trent’anni dall’emanazione del Regolamento comunitario 2137/1985 che ne segna la data di nascita, e a venticinque dalla effettiva possibilità di costituzione, il gruppo europeo di interesse economico (GEIE) è ancora percepito, nella migliore delle ipotesi, come una specie di “oggetto misterioso” nel panorama giuridico italiano ed europeo. Lo scopo di questo studio, che ha beneficiato del sostegno economico della Commissione Europea e della Provincia autonoma di Trento nell’ambito del Settimo Programma Quadro, Azione Marie Curie COFUND, progetto “TRENTINO”, è di tentare una riconduzione ragionata del GEIE a categorie che siano di maggiore familiarità per il giurista italiano, indagandone le problematiche principali (su tutte l’assenza del beneficio della responsabilità limitata dei membri per le obbligazioni assunte dal gruppo) ed offrendo ipotesi di soluzione
Conservative management of isolated medial subtalar joint dislocations in volleyball players: a report of three cases and literature review
No full textIsolated Subtalar Dislocations (SDs) are rare injuries, representing only 1% of all foot traumas. In the current literature, only a few reports have described this acute injury as a consequence of low-middle-energy trauma during sports activities and none in professional or recreational volleyball players. Further, to the best of our knowledge, no validated standard rehabilitation programs have been described for SDs as most of them are usually treated like an ankle sprain. This report describes 3 cases of isolated, closed medial SD, which occurred during non- professional volleyball activities. All cases were successfully treated by the same conservative method: standard radiographs for diagnosis, closed reduction, subsequent CT scan to exclude associated lesions, 4-week immobilization in a below-knee cast and an early physiokinesis therapy program. Further, a review of the recent literature concerning SD was performed. The standard method applied allowed our patients to return to full sports activity at 3 months from trauma, reaching a medium AOFAS score of 96.6 at minimum follow-up of 48 months. The treated cases and the review of the literature suggest that a conservative method and early mobilization should be the first-choice treatment for closed SD, even in volleyball players. Despite the absence of a sport-specific rehabilitation program for these injuries, early physiokinesis therapy, after no more than 4-week immobilization period, allowed the improvement of our patients' hindfoot stability and their fast return to full sports activities, without any recurrence at minimum follow-up of 2 years
El Tlacuache Núm. 53 (2002). 53 Año 2 (2002) agosto. El Tlacuache
No full text- Patrimonio Cultural por B. Palavicini y S.Garza. - Nuestro patrimonio desconocido por Teresita Loera y Anaite Monterforte. - El Yauhtli por Margarita Avilés y Macrina Fuentes. - Patrimonio cultural: Legislación e historia por Carlos F. Alessio-Robles
- …
