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A Substellar Companion to the Dusty Pleiades Star HD 23514

Rodríguez, David R.;Marois, Christian;Zuckerman, B.;Macintosh, Bruce;Melis, Carl (2012-03-20)

With adaptive optics imaging at Keck observatory, we have discovered a sub- stellar companion to the F6 Pleiades star HD 23514, one of the dustiest main- sequence stars known to date (LIR=L 2%). This is on....

Asymmetric hydroformylation of vinyl arenes catalyzed by furanoside diphosphinites-Rh(I) complexes

Guimet, Eugeni;Parada, José;Diéguez, Montserrat;Ruiz, Aurora;Claver, Carmen (2005-03-30)

Diphosphinite ligands 2 and 3, easily prepared from inexpensive D(+)-xylose in few steps, were tested in the Rh-catalyzed asymmetric hydroformylation of several vinyl arenes. High regio-selectivities in branche....

Asymmetric magnetic dots: A way to control magnetic properties

Vargas, N. M.;Allende, S.;Leighton, B.;Escrig, J.;Mejía López, J.;Altbir, D.;Schuller, Ivan K. (2011-04-01)

We have used Monte Carlo simulations to investigate the magnetic properties of asymmetric dots as a function of their geometry. The asymmetry of round dots is produced by cutting off a fraction of the dot and....

ASYMPTOTIC EQUIVALENCE AND KOBAYASHI-TYPE ESTIMATES FOR NONAUTONOMOUS MONOTONE OPERATORS IN BANACH SPACES

Alvarez, Felipe;Peypouquet, Juan (2007)

We provide a sharp generalization to the nonautonomous case of the well-known Kobayashi estimate for proximal iterates associated with maximal monotone operators. We then derive a bound for the distance betwe....

Asymptotic, non-linear solutions for ambipolar diffusion in one dimension

Hoyos, Jaime H.;Reisenegger, Andreas;Valdivia, Juan A. (2010-06-22)

We study the effect of the non-linear process of ambipolar diffusion (joint transport of magnetic flux and charged particles relative to neutral particles) on the long-term behaviour of a non-uniform magnetic....

Asymptotic normality for the counting process of weak records and delta-records in discrete models

Gouet Bañares, Raúl;López, F. Javier;Sanz, Gerardo (2007)

Let {X-n, n >= 1} be a sequence of independent and identically distributed random variables, taking non-negative integer values, and call X-n a delta-record if X-n > max{X-1,..., Xn-1} + delta, where delta is a....

Asymptotic randomization of subgroup shifts by linear cellular automata

Maass, Alejandro;Martínez, Servet;Marcus, Pivato;Yassawi, Reem (2006-08)

Let M = N-D be the positive orthant of a D-dimensional lattice and let (G, +) be a finite abelian group. Let G subset of G(M) be a subgroup shift, and let mu be a Markov random field whose support is G. Let Phi....

Asymptotics at infinity of solutions for p-Laplace equations in exterior domains

Avila, Andrés I.;Brock, Friedemann (2008-09-01)

Let 1 < p < N, and u be a nonnegative solution of -Delta(p)u = f (x, u) on R-N\(B-1) over bar where f behaves like \x\(-l)u(q) near \x\ = infinity and u = 0, for some constants q >= 0 and l is an element of R. ....

Asymptotics for eigenvalues of the Laplacian in higher dimensional periodically perforated domains

San Martín, Jorge;Smaranda, Loredana (2010)

This paper considers the periodic spectral problem associated with the Laplace operator written in RN (N = 3, 4, 5) periodically perforated by balls, and with homogeneous Dirichlet condition on the boundary of....

Asymptotic velocity of one dimensional diffusions with periodic drift

Collet, P.;Martínez, S. (2008-06)

We consider the asymptotic behavior of the solution of one dimensional stochastic differential equations and Langevin equations in periodic backgrounds with zero average. We prove that in several such models, t....

A Synthetic Overview of New Molecules with 5-HT1A Binding Affinities

Pessoa, H.;Araya Maturana, R.;Saitz B., C.;Pessoa, D. (2003)

The present review discusses the synthetic strategies of new ligands exhibiting mainly 5-HT1A binding affinities. Specifically we focused our attention in the synthesis of compounds structurally related to ar....

Atención Conjunta y Autismo. Estudio en Niños Preescolares entre 2 y 5 Años de Edad

Soto Icaza, Patricia (2007)

Atención farmacéutica en adultos mayores atendidos ambulatoriamente en un hospital universitario : estudio piloto de implementación

Arriagada Rivas, Leonardo (2011)

Atención farmacéutica en pacientes diabéticos tipo 2

Ramos Pino, Johanna Mireya (2006)

Atención farmacéutica en pacientes hipertensos adultos mayores.

Rojas Domínguez, Bárbara (2005)

Atención Psicológica Clínica Infanto-Juvenil en un Centro de Salud Mental Ambulatorio en la Comuna de Pudahuel.

Riquelme Pardo, Priscilla (2007)

Ateneo (re-creación y crisis) de México

Mozó M., Fernanda (2008)

Atentados contra el derecho a la honra a través de medios de comunicación : proyecto de actualización del Repertorio de Legislación y Jurisprudencia del Código Civil y sus leyes complementarias

Cifuentes Zúñiga, René Andrés (2012)

Atentados y su impacto en el mercado de capitales chileno.

Corvalán Ramenzoni, Eduardo; Muñoz Smitmans, Felipe (2004)

A THEORETICAL-STUDY OF SOLVENT EFFECTS ON THE RELATIVE THERMODYNAMIC STABILITIES OF THE ALLYL+/F- AND ALLYL-/LI+ ION-PAIRS IN POLAR MEDIA

Contreras, Renato R.;Padilla, Luis;Gómez Jeria, Juan Sebastián (1990)

The relative thermodynamic stabilities of several ion-pair structures, including intimate and solvent-separated forms, in solution have been studied for the allyl +/F- and allyl- /Li + model systems. The elec....

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