Search results for "Witness"
showing 10 items of 83 documents
Interrogating witnesses for geometric constraint solving
2012
International audience; Classically, geometric constraint solvers use graph-based methods to decompose systems of geometric constraints. These methods have intrinsic limitations, which the witness method overcomes; a witness is a solution of a variant of the system. This paper details the computation of a basis of the vector space of free infinitesimal motions of a typical witness, and explains how to use this basis to interrogate the witness for dependence detection. The paper shows that the witness method detects all kinds of dependences: structural dependences already detectable by graph-based methods, but also non-structural dependences, due to known or unknown geometric theorems, which…
Two-qubit entanglement dynamics for two different non-Markovian environments
2009
We study the time behavior of entanglement between two noninteracting qubits each immersed in its own environment for two different non-Markovian conditions: a high-$Q$ cavity slightly off-resonant with the qubit transition frequency and a nonperfect photonic band-gap, respectively. We find that revivals and retardation of entanglement loss may occur by adjusting the cavity-qubit detuning, in the first case, while partial entanglement trapping occurs in non-ideal photonic-band gap.
Children Witnessing Domestic and Family Violence: A Widespread Occurrence during the Coronavirus Disease 2019 (COVID-19) Pandemic
2021
Across the world, children and adolescents are exposed daily to toxic levels of violent behaviors, including domestic and family violence. Violence increasingly has permeated and profoundly affected the lives of children, who are the most vulnerable members of society.1 Pediatric societies in Europe and North America have raised great concern over the effect that abusive experiences will have on present and future generations.1, 2, 3, 4 The global spread of coronavirus disease 2019 (COVID-19) during the past year has dramatically worsened the situation, contributing to a further increase in violence and aggression within households. Reports of domestic abuse and family violence have increas…
Le prove testimoniali nell’Apologia di Apuleio
2015
In Apuleius’ Apologia the witnesses play a relevant role and indeed, in some cases, they are crucial for the defensive speech. This survey explores in detail the universe of the characters and the evidences in the Apuleian oration. Testes are often presented in spectacular form: from Crassus’ comic tones to the scenic personification of verba suppressa from Pudentilla’s letter. In Apuleius’ words, you can also see a strong continuity with the rhetorical treatises and the previous oratorical tradition: undeniably there is a proximity between some choices in the Apologia and similar solutions in Cicero, as well and it is also possible, in particular, to read some sections of the Apuleian text…
Krytyka wybranych aspektów chrystologii świadków Jehowy w świetle książki Josepfa Ratzingera: Jezus z Nazaretu, cz. I: Od chrztu w Jordanie do Przemi…
2018
Pytanie Chrystusa zawarte we wszystkich ewangeliach synoptycznych: za kogo uważają Go ludzie i kim On jest dla apostołów, wydaje się być wciąż aktualne. Papież Benedykt XVI określa je jako „kamień milowy na drodze Jezusa”. Mimo rozwoju nauk humanistycznych, odpowiedzi jest wiele, a często są one sprzeczne. Niniejsza praca stanowi próbę krytyki wybranych elementów chrystologii świadków Jehowy w świetle obrazu Chrystusa ujętego w książce Josepha Ratzingera Jezus z Nazaretu, cz. I: Od chrztu w Jordanie do Przemienienia. Powyższe zestawienie wykazało, jak liczne i poważne są rozbieżności w postrzeganiu Jezusa przez organizację oraz Jego przedstawieniu w Biblii. Fakty te przemawiają za konieczno…
Entanglement dynamics in superconducting qubits affected by local bistable impurities
2012
We study the entanglement dynamics for two independent superconducting qubits each affected by a bistable impurity generating random telegraph noise (RTN) at pure dephasing. The relevant parameter is the ratio $g$ between qubit-RTN coupling strength and RTN switching rate, that captures the physics of the crossover between Markovian and non-Markovian features of the dynamics. For identical qubit-RTN subsystems, a threshold value $g_\mathrm{th}$ of the crossover parameter separates exponential decay and onset of revivals; different qualitative behaviors also show up by changing the initial conditions of the RTN. We moreover show that, for different qubit-RTN subsystems, when both qubits are …
Statistics-driven Development of OBD Systems: An Overview
2006
Automotive on-board diagnostic (OBD) systems are designed to keep critical components under control during vehicle functioning, and to alert the driver in case of severe malfunctions. OBD systems aimed at reducing polluting emissions are mandatory on new motor vehicles. Some research projects conducted in cooperation between universities and the automotive industry have been quite successful in terms of knowledge advancement and industrial gain. An updated overview of the adopted methodologies and results obtained are given in this article. Such results can be valuable for both theorists and practitioners, since they witness the use of statistics as a powerful catalyst of technical progress…
Robotics in Neurosurgery – Past, Presence and Future
2021
In multiple ways, neurosurgery is the perfect field for the implementation of robotic assisted procedures. Neurosurgical operations require precise and fine manipulation of deeply located critical neural structures that are accessed through a small corridor. The concept of robots has evolved from “human-like” machines to programmable, multifunctional specialized devices. To this day, the majority of robotic-assisted neurosurgical operations involve a shared-control system. They have involved a robotic arm that moves an instrument to a specific location based on Cartesian coordinates and is then locked in place. The operating neurosurgeon proceeds with the instrument along the path defined b…
The Abbo glossary in London, British Library, Cotton Domitian i
1990
The process through which glossaries came into being can sometimes still be seen and studied in surviving manuscripts, and in such cases it provides a valuable index to the way in which Latin texts were studied in medieval schools. This is the case with an unprinted glossary in London, British Library, Cotton Domitian i. The glossary is mainly made up of words taken from bk III of the Bella Parisiacae urbis by Abbo of Saint-Germain-des-Prés, a work which was widely studied in English schools in the tenth and eleventh centuries, above all because of its unusual vocabulary. We know that Abbo drew the unusual vocabulary in his poem from pre-existing glossaries such as the Liber glossarum and t…
Facework strategies and the achievement of multiple goals in a court martial cross-examination in the film A Few Good Men
2013
Following recent trends of research into television and film language that is being undertaken in various sub-disciplines of linguistics (Piazza et al. 2011), this article describes the nature of the interaction that takes place in the cross-examination of Colonel Jessep in the film ‘A Few Good Men’. The dialogue is from the last scene of the film and it exemplifies how the attorney manages to get the truth out of an uncooperative witness. It is not, however, only the outcome of the interaction itself that is of interest, but the process through which this is reached. By analyzing in detail the facework strategies enacted by the participants in the interaction towards themselves and others …