J. M. Ortega

Publication List Details

Period

1963 - 2008

Number

43

Co-Authors

Enfermedad de Forestier-Rotes-Querol: Osificación del ligamento longitudinal cervical anterior como causa de disfagia. (2008)

Jerez, P., Gómez-Angulo, J. C., Tamarit, M., Navarro, R., Ortega, J. M., Aragonés, P., ...

La enfermedad de Forestier-Rotes-Querol o "hiperostosis esquelética idiopática difusa" es una enfermedad reumatológica con afectación sistémica18. Consiste en la calcificación-osificación del...

Delayed intracerebral hemorrhage after ventriculoperitoneal shunt insertion: case report and literature review (2007)

Alcázar, L., Alfaro, R., Tamarit, M., Gómez-Angulo, J. C., Ortega, J. M., Aragonés, P., ...

Presentamos un caso de hemorragia intracerebral tardía tras la colocación de una derivación ventriculoperitoneal. Una paciente de 64 años de edad, con hidrocefalia secundaria a una hemorragia...

Development of SRS.php, a Simple Object Access Protocol-based library for data acquisition (2007)

A. Barbosa-silva, E. Pafilis, J. M. Ortega, R. Schneider

ABSTRACT. Data integration has become an important task for biological database providers. The current model for data exchange among different sources simplifies the manner that distinct information...

Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part II: Model application to the CENICA, Pedregal and Santa Ana sites (2006)

San Martini, F. M., Dunlea, E. J., Volkamer, R., Onasch, T. B., Jayne, J. T., Canagaratna, M. R., ...

A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in Part I of this series. Using observations taken at three...

Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part I: Model description and application to the La Merced Site (2006)

San Martini, F. M., Dunlea, E. J., Grutter, M., Onasch, T. B., Jayne, J. T., Canagaratna, M. R., ...

The equilibrium inorganic aerosol model ISORROPIA was embedded in a Markov Chain Monte Carlo algorithm to produce a powerful tool to analyze aerosol data and predict gas phase concentrations where...

Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign ? Part II: Model application to the CENICA, Pedregal and Santa Ana sites (2006)

San Martini, F.M., Dunlea, E.J., Volkamer, R., Onasch, T.B., Jayne, J.T., Canagaratna, M.R., ...

A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in Part I of this series. Using observations taken at three...

Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign ? Part I: Model description and application to the La Merced site (2006)

San Martini, F.M., Dunlea, E.J., Grutter, M., Onasch, T.B., Jayne, J.T., Canagaratna, M.R., ...

The equilibrium inorganic aerosol model ISORROPIA was embedded in a Markov Chain Monte Carlo algorithm to develop a powerful tool to analyze aerosol data and predict gas phase concentrations where...

Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part II: Model application to the CENICA, Pedregal and Santa Ana sites (2006)

San Martini, F. M., Dunlea, E. J., Volkamer, R., Onasch, T. B., Jayne, J. T., Canagaratna, M. R., ...

A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in Part I of this series. Using observations taken at three...

Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part I: Model description and application to the La Merced Site (2006)

San Martini, F. M., Dunlea, E. J., Grutter, M., Onasch, T. B., Jayne, J. T., Canagaratna, M. R., ...

The equilibrium inorganic aerosol model ISORROPIA was embedded in a Markov Chain Monte Carlo algorithm to produce a powerful tool to analyze aerosol data and predict gas phase concentrations where...

Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign ? Part II: Model application to the CENICA, Pedregal and Santa Ana sites (2006)

San Martini, F.M., Dunlea, E.J., Volkamer, R., Onasch, T.B., Jayne, J.T., Canagaratna, M.R., ...

A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in Part I of this series. Using observations taken at three...

Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign ? Part I: Model description and application to the La Merced site (2006)

San Martini, F.M., Dunlea, E.J., Grutter, M., Onasch, T.B., Jayne, J.T., Canagaratna, M.R., ...

The equilibrium inorganic aerosol model ISORROPIA was embedded in a Markov Chain Monte Carlo algorithm to develop a powerful tool to analyze aerosol data and predict gas phase concentrations where...

Nonlinear potentials and two weight trace inequalities for general dyadic and radial kernels (2003)

Cascante, C., Ortega, J. M., Verbitsky, I. E.

We study trace inequalities of the type $$ \| T_k f\|_{L^q(d\mu)}\leq C \|f\|_{L^p(d\sigma)}, \qquad f \in L^p(d\sigma), $$ in the ``upper triangle case'' $1 \leq q

First Results of a Superconducting Undulator on the ACO Storage Ring, (2002)

Bazin,C., Billardon,M., Deacon,D., Farge,Y., Ortega,J. M.

Summary in French. Original contains color plates: All DTIC and NTIS reproductions will be in black and white.

Vibrational Dynamics in Molecular Condensed Phases With The Clio Free Electron Laser (1999)

C. Crépin, M. Broquier, H. Dubost, D. L'hermite, A. Tramer, J. P. Galaup, ...

Single color pump-probe and photon-echo experiments have been performed on the CO stretching mode of W(CO)6 at about 1983 cm-1 in various liquids and solid environments. Combined with absorption...

UV and VUV Degradation of Very High Reflectivity Mirrors for Use in a Storage Ring Free Electron Laser, (1998)

Elleaume,P., Deacon,D. A. G., Billardon,M., Ortega,J. M.

Ti02/Si02 multilayer dielectric mirrors centered around 630 mm have shown reflectivity degradation from 99.99% down to 99.0% due to UV synchrotron radiation emitted by a beam of 240 MeV electrons...

Proceedings of the International Free Electron Laser Conference (12th) Held in Paris, France on 17-21 September 1990, (1998)

Buzzi, J. M., Ortega, J. M.

It seems that FEL theory is now rather well understood, although some very interesting aspects are still under intensive study, e.g, chaos, transverse optical beam structure of both amplifiers and...

SOR as a Preconditioner II (1997)

M. A. Delong, J. M. Ortega

Introduction In [1] we presented experimental results on a serial computer that showed that the SOR iteration was a promising preconditioner for the GMRES method [7] for nonsymmetric linear systems...

SOR as a preconditioner (1995)

M. A. Delong, J. M. Ortega

It is well-known (see, e.g. [2] and [4]) that the use of red/black or multicolor orderings to parallelize SSOR or ILU preconditioning may seriously degrade the rate of convergence of the conjugate...

SOR as a Preconditioner (1995)

M. A. Delong, J. M. Ortega

Introduction It is well-known (see, e.g. [2] and [5]) that the use of red/black or multicolor orderings to parallelize SSOR or ILU preconditioning may seriously degrade the rate of convergence of the...

Segmentation of the brain from 3D MRI using a hierarchical active surface template (1994)

J. W. Snell, M. B. Merickel, J. M. Ortega, J. C. Goble, J. R. Brookeman, N. F. Kassell

The accurate segmentation of the brain from three-dimensional medical imagery is important as the basis for visualization, morphometry, surgical planning and intraoperative navigation. The complex...

Vacuum ultraviolet emission of a permanent magnet undulator on the ACO storage ring in Orsay (1984)

Ortega, J.M., Billardon, M., Jezequel, G., Thiry, P., Petroff, Y.

We present VUV emission spectra taken on the ACO storage ring from the permanent magnet undulator NOEL (1), currently dedicated to free electron laser experiments, along with an overview at the...

Vacuum ultraviolet emission of a permanent magnet undulator on the ACO storage ring in Orsay (1984)

Ortega, J.M., Billardon, M., Jezequel, G., Thiry, P., Petroff, Y.

We present VUV emission spectra taken on the ACO storage ring from the permanent magnet undulator NOEL (1), currently dedicated to free electron laser experiments, along with an overview at the...

Vacuum ultraviolet emission of a permanent magnet undulator on the ACO storage ring in Orsay (1984)

Ortega, J.M., Billardon, M., Jezequel, G., Thiry, P., Petroff, Y.

We present VUV emission spectra taken on the ACO storage ring from the permanent magnet undulator NOEL (1), currently dedicated to free electron laser experiments, along with an overview at the...

First results of a superconducting undulator on the ACO storage ring (1980)

Bazin, C., Billardon, M., Deacon, D., Farge, Y., Ortega, J.M., Pérot, J., ...

A superconducting undulator has been fixed on the ACO storage ring. It has been observed that the electron beam is stable in the small gap of the vacuum chamber and unperturbed by the magnetic field...

First results of a superconducting undulator on the ACO storage ring (1980)

Bazin, C., Billardon, M., Deacon, D., Farge, Y., Ortega, J.M., Pérot, J., ...

A superconducting undulator has been fixed on the ACO storage ring. It has been observed that the electron beam is stable in the small gap of the vacuum chamber and unperturbed by the magnetic field...

First results of a superconducting undulator on the ACO storage ring (1980)

Bazin, C., Billardon, M., Deacon, D., Farge, Y., Ortega, J.M., Pérot, J., ...

A superconducting undulator has been fixed on the ACO storage ring. It has been observed that the electron beam is stable in the small gap of the vacuum chamber and unperturbed by the magnetic field...

Evidence for the interaction between the free exciton and the F - centres in KI (1979)

Nouailhat, A., Guillot, G., Van Khiem, Truong, Ortega, J.M.

The resonant emission observed at 2 125 Å in KI irradiated with electrons at very low temperature increases when the crystal is illuminated by infrared light. This phenomenon is due to the...

Evidence for the interaction between the free exciton and the F - centres in KI (1979)

Nouailhat, A., Guillot, G., Van Khiem, Truong, Ortega, J.M.

The resonant emission observed at 2 125 Å in KI irradiated with electrons at very low temperature increases when the crystal is illuminated by infrared light. This phenomenon is due to the...

Evidence for the interaction between the free exciton and the F - centres in KI (1979)

Nouailhat, A., Guillot, G., Van Khiem, Truong, Ortega, J.M.

The resonant emission observed at 2 125 Å in KI irradiated with electrons at very low temperature increases when the crystal is illuminated by infrared light. This phenomenon is due to the...

Low-temperature electron transfer from cytochrome to the special pair in Rhodopseudomonas viridis: role of the L162 residue.

Ortega, J M, Dohse, B, Oesterhelt, D, Mathis, P

Electron transfer from the tetraheme cytochrome c to the special pair of bacteriochlorophylls (P) has been studied by flash absorption spectroscopy in reaction centers isolated from seven strains of...

Low-temperature electron transfer from cytochrome to the special pair in Rhodopseudomonas viridis: role of the L162 residue.

Ortega, J M, Dohse, B, Oesterhelt, D, Mathis, P

Electron transfer from the tetraheme cytochrome c to the special pair of bacteriochlorophylls (P) has been studied by flash absorption spectroscopy in reaction centers isolated from seven strains of...