Search results for "Expectation."
showing 10 items of 191 documents
An approximation to maximum likelihood estimates in reduced models
1990
SUMMARY An approximation to the maximum likelihood estimates of the parameters in a model can be obtained from the corresponding estimates and information matrices in an extended model, i.e. a model with additional parameters. The approximation is close provided that the data are consistent with the first model. Applications are described to log linear models for discrete data, to models for multivariate normal distributions with special covariance matrices and to mixed discrete-continuous models.
Simulation of BSDEs with jumps by Wiener Chaos Expansion
2016
International audience; We present an algorithm to solve BSDEs with jumps based on Wiener Chaos Expansion and Picard's iterations. This paper extends the results given in Briand-Labart (2014) to the case of BSDEs with jumps. We get a forward scheme where the conditional expectations are easily computed thanks to chaos decomposition formulas. Concerning the error, we derive explicit bounds with respect to the number of chaos, the discretization time step and the number of Monte Carlo simulations. We also present numerical experiments. We obtain very encouraging results in terms of speed and accuracy.
Universal multipartite d-level entanglement witnesses for realistic measurement settings
2019
Entanglement is an essential resource in quantum information science [1] and its presence in any quantum system can be experimentally detected through entanglement witness operators [2]. In particular, measuring a negative expectation value of a witness with high statistical confidence provides a necessary and sufficient condition to confirm the generation of a genuine multipartite [3] and/or d-level entangled state [4]. In recent years, the experimental generation of complex quantum states has intensified the need for witnesses that are capable of detecting such systems and are experimentally optimal at the same time. This means that the witness should require the least measurement effort …
Tiesību normu laika aspekti tiesiskā un demokrātiskā valstī
2015
Promocijas darbā „Tiesību normu laika aspekti tiesiskā un demokrātiskā valstī” ir izpētīts, kuros gadījumos likumdevējs ir tiesīgs pieņemt tiesību normas ar iedarbību uz pagātnē izveidotām tiesiskajām attiecībām. Izveidotu tiesisko attiecību ietekmēšana ir izvērtējama, balstoties uz tiesiskās paļāvības principu. Lai noskaidrotu, vai tiesiskās paļāvības princips ir aizskarts, ir jākonstatē, vai tiesību normām ir atpakaļejošs spēks laikā. Atšķirībā no sodu tiesībām, kur atpakaļejošs spēka identificēšana per se padara tiesību normas par prettiesiskām, citās tiesību nozarēs pēc atpakaļejoša spēka konstatēšanas vēl būtu jāizvērtē, vai sabiedrības interešu aizsardzība nav iespējama ar mazāku ieja…
Shaping women's agency through temporality in "The life and activity of the holy and blessed teacher Syncletica"
2020
The present article attempts to discuss the relationship between two female characters, Thecla and Syncletica, against the wider theoretical background of temporality as it was perceived and construed through literary texts. Syncletica is portrayed as a ‘disciple’ of Thecla. However, while the apocryphal Acts of Paul and Thecla appear to be pervaded with an eschatological expectation, the Life of Saint Syncletica shows signs of a different temporality. The detailed description of the whole life of Syncletica, with an emphasis on the course of illness, reveals a temporality more focused on the stages of life. Building on this evidence, I aim to identify a set of key features that…
Bicommutants of reduced unbounded operator algebras
2009
The unbounded bicommutant $(\mathfrak M_{E'})''$ of the {\em reduction} of an O*-algebra $\MM$ via a given projection $E'$ weakly commuting with $\mathfrak M$ is studied, with the aim of finding conditions under which the reduction of a GW*-algebra is a GW*-algebra itself. The obtained results are applied to the problem of the existence of conditional expectations on O*-algebras.
Mutiskā tulkošana evaņģēliskajās draudzēs ar dievkalpojumiem krievu valodā
2017
Maģistra darbs „Mutiskā tulkošana evaņģēliskajās draudzēs ar dievkalpojumiem krievu valodā” izstrādāts 2017. gada pavasarī. Mutiskās tulkošanas nozares pētniekus arvien vairāk interesē dažādu tulkošanas situāciju pētniecība. Taču mutiskā tulkošana draudzēs, neskatoties uz tās vēsturisko nozīmi tulkošanas jomā, arvien palikusi novārtā. Šī darba autore, draudzes tulks ar 25 gadu stāžu, vēlās pievērst uzmanību šai savas kompetences jomai, mutiskajai tulkošanai evaņģēliskajās draudzēs ar dievkalpojumiem krievu valodā, un izveidot „ideālā” draudzes tulka portretu, balstoties uz klientu vēlmēm. Pētījums tika uzsākts 2015. gadā, veicot pilotaptauju, un turpinājās 2017. gadā. Kopumā 258 respondenti…
Octupolar excitation of ion motion in a Penning trap: A theoretical study
2014
Abstract High-precision Penning-trap mass spectrometry uses the resonant conversion of the magnetron motional mode into the cyclotron motional mode to determine the cyclotron frequency of the ions under investigation. Usually the conversion process is performed by interaction of the ions with external quadrupolar rf-fields. Recently it was found that conversion by means of octupolar rf-fields entails a tremendous increase in mass resolution and is thus of great interest. However, the conversion results depend in an intricate way on the amplitudes and phases of the octupolar rf-field and of the motional modes of the ions. Experimental progress was hampered by the lack of an underlying theory…
School aspirations, cognitive skills and wage expectations of French Undergraduates
2013
en ligne : http://cemapre.iseg.utl.pt/educonf/2e3/files/submissions_to_web/Bonnard%20Claire_%20Giret%20Jean-Francois_Lambert-Le%20Mener%20Marielle.pdf; This paper aims to study the earnings expectations of first-year students at a French university and to compare them with the observed earnings of young people in the labour market for that same year. Our findings highlight the importance of the environment in which students make their choices about education. Expected earnings are proportionally higher when their parents seem to be involved in the careers guidance, even controlling for the effect of parental socio-economic status. The positive opinion of parents about the orientation or the…
Structure of longitudinal chromomagnetic fields in high energy collisions
2014
We compute expectation values of spatial Wilson loops in the forward light cone of high-energy collisions. We consider ensembles of gauge field configurations generated from a classical Gaussian effective action as well as solutions of high-energy renormalization group evolution with fixed and running coupling. The initial fields correspond to a color field condensate exhibiting domain-like structure over distance scales of order the saturation scale. At later times universal scaling emerges at large distances for all ensembles, with a nontrivial critical exponent. Finally, we compare the results for the Wilson loop to the two-point correlator of magnetic fields.