Search results for "Map"
showing 10 items of 3484 documents
Design of large scale sensors in 180 nm CMOS process modified for radiation tolerance
2019
International audience; The last couple of years have seen the development of Depleted Monolithic Active Pixel Sensors (DMAPS) fabricated with a process modification to increase the radiation tolerance. Two large scale prototypes, Monopix with a column drain synchronous readout, and MALTA with a novel asynchronous architecture, have been fully tested and characterized both in the laboratory and in test beams. This showed that certain aspects have to be improved such as charge collection after irradiation and the output data rate. Some improvements resulting from extensive TCAD simulations were verified on a small test chip, Mini-MALTA. A detailed cluster analysis, using data from laboratory…
SUSY-GUTs, SUSY-Seesaw and the Neutralino Dark Matter
2007
19 pages, 7 figures.-- ISI Article Identifier: 000249788800048.-- ArXiv pre-print available at: http://arxiv.org/abs/0704.3518
Muon Anomaly from Lepton Vacuum Polarization and The Mellin--Barnes Representation
2008
We evaluate, analytically, a specific class of eighth--order and tenth--order QED contributions to the anomalous magnetic moment of the muon. They are generated by Feynman diagrams involving lowest order vacuum polarization insertions of leptons $l=e,\mu$, and $\tau$. The results are given in the form of analytic expansions in terms of the mass ratios $m_e/m_\mu$ and $m_\mu/m_\tau$. We compute as many terms as required by the error induced by the present experimental uncertainty on the lepton masses. We show how the Mellin--Barnes integral representation of Feynman parametric integrals allows for an easy analytic evaluation of as many terms as wanted in these expansions and how its underlyi…
Procesos recientes de segregación e incorporación de municipios en Andalucía. ¿La fusión o la cooperación como solución al minifundismo local?
2020
El mapa municipal andaluz está compuesto en la actualidad por 785 municipios, aunque esta realidad política, administrativa y territorial ha experimentado un auge importante de los fenómenos segregacionistas durante el período constitucional, siendo especialmente numerosos durante la última década, con la creación de 14 municipios, con base jurídica mayoritaria en la Ley de Autonomía Local deAndalucía (2010). Con la Ley, estatal, de Racionalización y Sostenibilidad de la Administración Local (2013), se han endurecido las condiciones para la segregación, estableciéndose el umbral poblacional mínimo de 5.000 habitantes y su viabilidad financiera. El objetivo de esta investigación es profundiz…
Computational aspects in 2D SBEM analysis with domain inelastic actions
2009
The Symmetric Boundary Element Method, applied to structures subjected to temperature and inelastic actions, shows singular domain integrals. In the present paper the strong singularity involved in the domain integrals of the stresses and tractions is removed, and by means of a limiting operation, this traction is evaluated on the boundary. First the weakly singular domain integral in the Somigliana Identity (S.I.) of the displacements is regularized and the singular integral is transformed into a boundary one using the Radial Integration Method; subsequently, using the differential operator applied to the displacement field, the S.I. of the tractions inside the body is obtained and through…
Asymptotic preserving IMEX finite volume schemes for low Mach number Euler equations with gravitation
2017
In this paper we will present and analyze a new class of the IMEX finite volume schemes for the Euler equations with a gravity source term. We will in particular concentrate on a singular limit of weakly compressible flows when the Mach number M1. In order to efficiently resolve slow dynamics we split the whole nonlinear system in a stiff linear part governing the acoustic and gravity waves and a non-stiff nonlinear part that models nonlinear advection effects. For time discretization we use a special class of the so-called globally stiffly accurate IMEX schemes and approximate the stiff linear operator implicitly and the non-stiff nonlinear operator explicitly. For spatial discretization t…
Gradings on the algebra of upper triangular matrices of size three
2013
Abstract Let UT 3 ( F ) be the algebra of 3 × 3 upper triangular matrices over a field F . On UT 3 ( F ) , up to isomorphism, there are at most five non-trivial elementary gradings and we study the graded polynomial identities for such gradings. In case F is of characteristic zero we give a complete description of the space of multilinear graded identities in the language of Young diagrams through the representation theory of a Young subgroup of S n . We finally compute the multiplicities in the graded cocharacter sequence for every elementary G -grading on UT 3 ( F ) .
Some common fixed point results for weakly compatible mappings in cone metric type space
2013
In this paper we consider cone metric type spaces which are introduced as a generalization of symmetric and metric spaces by Khamsi and Hussain in 2010. Then we prove several common fixed point for weakly compatible mappings in cone metric type spaces. All results are proved in the settings of a solid cone, without the assumption of continuity of the mappings.
Skaitļu atpazīšana brīvā dabā uzņemtās fotogrāfijās
2022
Palielinoties digitālo tehnoloģiju lomai cilvēku ikdienā, OCR jeb Optiskā teksta pazīšana kļūst arvien biežāk izmantota. OCR pielietojumu iespējas ir plašas – kā vienu no biežāk izmantotajām var minēt dokumentu digitalizēšanu – tomēr brīvā dabā uzņemtās fotogrāfijās ar skaitļiem OCR precizitātei vēl joprojām ir vieta izaugsmei. Darba mērķis ir noteikt, cik liela loma un ietekme ir OCR tehnoloģijām mūsdienās un kāpēc tās efektivitāte krīt, analizējot attēlus ar skaitļiem. Darba uzdevumi ietver iepazīšanos ar OCR tehnoloģijas vēsturi un pielietojumiem mūsdienās, tehnoloģijas algoritmiem un trūkumiem tajos. Darba pētījumā tika izpētīti divi OCR rīki, izmantojot programmēšanas valodu Python, un…
Activity mappings in olfactory bulb of newborn rabbits elicited by odor stimulation using quantitative manganese enhanced MRI
2007
International audience