Results 31 to 40 of about 51,602 (210)
On the relation between Seyfert 2 accretion rate and environment at z < 0.1 [PDF]
, 2014 We analyse different properties of the small-scale environment of Seyfert 2 for two samples selected according to the accretion rate parameter, R, from the Sloan Digital Sky Survey, Data Release 7 survey.
Coldwell Lloveras, Georgina Vanesa +4 more
core +1 more source
Holographic interference in atomic photoionization from a semiclassical standpoint [PDF]
, 2019 A theoretical study of the interference pattern imprinted on the doubly differential momentum distribution of the photoelectron due to atomic ionization induced by a short laser pulse is developed from a semiclassical standpoint. We use the semiclassical
Arbo, Diego, López, Sebastián David
core +2 more sources
Dust properties in NGC 6611 [PDF]
, 2000 An investigation on dust properties in the NW portion of NGC 6611 has been conducted polarimetrically to test the existence of abnormal extinction in that section of the open cluster in an independent way. As previously suggested for the η Carinae nebula
Marraco, Hugo Gustavo +2 more
core +2 more sources
Relation-changing modal operators [PDF]
, 2015 We study dynamic modal operators that can change the accessibility relation of a model during the evaluation of a formula. In particular, we extend the basic modal language with modalities that are able to delete, add or swap an edge between pairs of ...
Areces, Carlos Eduardo +2 more
core +2 more sources
Entretextos, 2018 La astronomía como una de las ciencias más antiguas que ha dado la humanidad, es un claro ejemplo de cómo las matemáticas establecieron su carácter científico apartándola de la astrología.
Belém Estefanía Mancilla Escobar
doaj +1 more source
Luz para ver y ser vista: los efectos de la iluminación solar durante el solsticio de invierno en los dólmenes de corredor de la provincia de Burgos [PDF]
Munibe Antropologia-Arkeologia, 2018 Presentamos un intento de profundizar en el significado y circunstancias culturales en las que se construyeron los sepulcros de corredor neolíticos del noreste de la Submeseta Norte española, combinando características astronómicas, topográficas y ...
Rodrigo Gil-Merino Rubio +3 more
doaj +1 more source
Satisfiability for relation-changing logics [PDF]
, 2018 Relation-changing modal logics (RC for short) are extensions of the basic modal logic with dynamic operators that modify the accessibility relation of a model during the evaluation of a formula.
Areces, Carlos Eduardo +3 more
core +1 more source
Coherence-length effects in fast atom diffraction at grazing incidence [PDF]
, 2018 Coherence properties of projectiles, found relevant in ion-atom collisions, are investigated by analyzing the influence of the degree of coherence of the atomic beam on interference patterns produced by grazing-incidence fast-atom diffraction (GIFAD or ...
Frisco, Leandro +2 more
core +1 more source
Sobre Manuel Toharia, Historia mínima del cosmos
Historia Mexicana El Colegio de México, 2018 -
Josep Simon
doaj +1 more source
New perspectives on the supernova remnant Puppis A based on a radio polarization study [PDF]
, 2018 We present a polarization study towards the supernova remnant (SNR) Puppis A based on original observations performed with the Australia Telescope Compact Array.
Cichowolski, Silvina +2 more
core +2 more sources