Theory and modeling of the magnetic field measurement in LISA PathFinder (2009)
Diaz-Aguilo, M, Garcia-Berro, E, Lobo, A
The magnetic diagnostics subsystem of the LISA Technology Package (LTP) on board the LISA PathFinder (LPF) spacecraft includes a set of four tri-axial fluxgate magnetometers, intended to measure with...
Extension of the LTP temperature diagnostics to the LISA band: first results (2009)
Sanjuan, J, Ramos-Castro, J, Lobo, A
High-resolution temperature measurements are required in the LTP, i.e., 10 uK/sqrt(Hz) from 1 mHz to 30 mHz. This has been already accomplished with thermistors and a suitable low noise electronics....
ADC non-linear errors correction in thermal diagnostics for the LISA mission (2009)
Sanjuan, J., Lobo, A., Ramos-Castro, J.
Low-noise temperature measurements at frequencies in the milli-Hertz range are needed in the LISA and LISA PathFinder (LPF). The required temperature stability for LISA is around 10 uK/sqrt(Hz) at...
Data analysis for the LISA Technology Package (2009)
Hewitson, M., Armano, M., Benedetti, M., Bogenstahl, J., Bortoluzzi, D., Bosetti, P., ...
The LISA Technology Package (LTP) on board the LISA Pathfinder mission aims to demonstrate some key concepts for LISA which cannot be tested on ground. The mission consists of a series of preplanned...
LISA Pathfinder: the experiment and the route to LISA (2009)
Armano, M., Benedetti, M., Bogenstahl, J., Bortoluzzi, D., Bosetti, P., Brandt, N., ...
LISA Pathfinder (LPF) is a science and technology demonstrator planned by the European Space Agency in view of the LISA mission. As a scientific payload, the LISA Technology Package on board LPF will...
The first mock data challenge for LISA Pathfinder (2009)
Monsky, A., Hewitson, M., Ferraioli, L., Wanner, G., Nofrarias, M., Hueller, M., ...
The data analysis of the LISA Technology Package (LTP) will comprise a series of discrete experiments, each focusing on a particular noise measurement or characterization of the instrument in various...
Abstract. We describe a coarse-grain parallel approach for the homogeneous solution of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. We have performed...
Abstract Distributed Matrix-Free Solution of Large Sparse Linear Systems over Finite Fields ∗ (2008)
We describe a coarse-grain parallel software system for the homogeneous solution of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. Our implementation...
In-flight Diagnostics in LISA Pathfinder (2006)
Lobo, A., Nofrarías, M., Ramos Castro, Juan, Sanjuan, J., Conchillo, A, Ortega, J.A., ...
LISA PathFinder (LPF) will be flown with the objective to test in space key technologies for LISA. However its sensitivity goals are, for good reason, one order of magnitude less than those which...
The extraordinarily warm and dry summer experienced in SW Europe in 2003 provides an interesting case study for the analysis of the response of regional-scale vegetation variables to drier and hotter...
The extraordinarily warm and dry summer experienced in SW Europe in 2003 provides an interesting case study for the analysis of the response of regional-scale vegetation variables to drier and hotter...
The extraordinarily warm and dry summer experienced in SW Europe in 2003 provides an interesting case study for the analysis of the response of regional-scale vegetation variables to drier and hotter...
The extraordinarily warm and dry summer experienced in SW Europe in 2003 provides an interesting case study for the analysis of the response of regional-scale vegetation variables to drier and hotter...
Hagolle, O., Lobo, A., Maisongrande, P., Cabot, F., Duchemin, B., De Pereyra, A.
Global temporal composites of surface reflectances are among the most commonly used products of wide field-of-view satellite-borne instruments such as the Advanced Very High Resolution Radiometer...
Hagolle, O., Lobo, A., Maisongrande, P., Cabot, F., Duchemin, B., De Pereyra, A.
Global temporal composites of surface reflectances are among the most commonly used products of wide field-of-view satellite-borne instruments such as the Advanced Very High Resolution Radiometer...
Subspace and envelope subtraction algorithms for noise reduction in cochlear implants (2003)
Abstract—The performance of two noise reduction algorithms is evaluated using 14 subjects fitted with the Clarion S-Series and Clarion II implant devices. The first algorithm, based on signal...
Intoxicación por GHB: a propósito de dos casos (2002)
A. Carbón, A. Ferrer, A. Lobo, F. Roche, J. Mozota, JA Montañés
BRAAM, AW, PRINCE, MJ, BEEKMAN, A, KIVELA, SL, LAWLOR, BA, ...
Consultation-Liaison psychiatric service delivery: results from a European study. (2001)
HUYSE, FJ, HERZOG, T, LOBO, A, MALT, UF, OPMEER, BC, STEIN, B, ...
European consultation-liaison psychiatric services: the ECLW collaborative study. (2000)
HUYSE, FJ, HERZOG, T, LOBO, A, MALT, UF, OPMEER, BC, STEIN, B, ...
Education and Risk for Alzheimer's Disease: Sex Makes a Difference EURODEM Pooled Analyses (2000)
Letenneur, L., Launer, J., Andersen, K., Dewey, M. E., Ott, A., Copeland, J. R. M., ...
The hypotesis that a low educational level increases the risk for Alzhelmer's disease remains controversial. The authors studied the asociation of years of schooling with the risk for incident...
Case presentation: Mild to moderate Crohn's disease of the small and large bowel (2000)
Pena, AS, Manoliu, RA, Bloemena, E, Cohen, A, Lobo, A, ...
Case presentation: Extensive colorectal Crohn's disease (2000)
Lofberg, R, Cohen, Z, Cortot, A, Ejderhamm, J, Gomollon, F, Graffner, H, ...
Case presentation: Steroid refractory colitis (2000)
Stange, E, Cohen, Z, Gomollon, F, Lobo, A, Lofberg, R, Pena, AS, ...
PRINCE, MJ, REISCHIES, F, BEEKMAN, A, FUHRER, R, JONKER, C, KIVELA, SL, ...
PRINCE, MJ, BEEKMAN, ATF, DEEG, DJH, FUHRER, R, KIVELA, SL, LAWLOR, BA, ...
Distributed matrix-free solution of large sparse linear systems over finite fields (1999)
We describe a coarse-grain parallel software system for the homogeneous solution of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. Our implementation...
Certifying inconsistency of sparse linear systems (1998)
M. Giesbrecht, A. Lobo, B. D. Saunders
Randomized black box algorithms provide a very efficient means for solving sparse linear systems over arbitrary fields. However, when these probabilistic algorithms fail, it is not revealed whether...
Distributed Matrix-Free Solution of Large Sparse Linear Systems over Finite Fields (1997)
We describe a coarse-grain parallel approach for the homogeneous solution of of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. We have performed an...
Process scheduling in DSC and the large sparse linear systems challenge (1995)
A. D Iaz, M. Hitz, E. Kaltofen, A. Lobo, T. Valente
New features of our DSC system for distributing a symbolic computation task over a network of processors are described. A new scheduler sends parallel subtasks to those compute nodes that are best...
Process scheduling in DSC and the large sparse linear systems challenge (1995)
A. Díaz, M. Hitz, E. Kaltofen, A. Lobo, T. Valente
New features of our DSC system for distributing a symbolic computation task over a network of processors are described. A new scheduler sends parallel subtasks to those compute nodes that are best...
Process Scheduling in DSC and the Large Sparse Linear Systems Challenge (1993)
Iaz Hitz, M. Hitz, E. Kaltofen, A. Lobo, T. Valente
this paper appeared in "Design and Implementation of Symbolic Computation Systems," A. Miola (ed.), Springer Lect. Notes Comput. Science, 722, 66--80 (1993).
The Prevalence of Dementia in Europe: A Collaborative Study of 1980-1990 Findings (1991)
HOFMAN, A, ROCCA, W A, BRAYNE, C, BRETELER, M M B, CLARKE, M, COOPER, B, ...
To obtain age- and gender-specific estimates of the prevalence of dementia in Europe and to study differences in prevalence across countries, we pooled and re-analysed original data of prevalence...
Certifying Inconsistency of Sparse Linear Systems
M. Giesbrecht, A. Lobo, B. D. Saunders
this paper is to remove this possibility of error with about the same cost. The principle new idea required here is that if no solution exists over the integers, then no solution exists modulo