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30 papers · 1 filter
Can the masses of isolated planetary-mass gravitational lenses be measured by terrestrial parallax?
M. Freeman, L. C. Philpott, F. Abe +22
Recently Sumi et al. (2011) reported evidence for a large population of planetary-mass objects (PMOs) that are either unbound or orbit host stars in orbits > 10 AU. Their result wa…
Oscillons in coupled Bose-Einstein condensates
Shih-Wei Su, Shih-Chuan Gou, I-Kang Liu +3
Long-lived, spatially localized, and temporally oscillating nonlinear excitations are predicted by numerical simulation of coupled Gross-Pitaevskii equations. These oscillons close…
Pathway to the Galactic Distribution of Planets: Combined Spitzer and Ground-Based Microlens Parallax Measurements of 21 Single-Lens Events
S. Calchi Novati, A. Gould, A. Udalski +82
We present microlens parallax measurements for 21 (apparently) isolated lenses observed toward the Galactic bulge that were imaged simultaneously from Earth and Spitzer, which was…
Estimating the relative rate of recombination to mutation in bacteria from single-locus variants using composite likelihood methods
Paul Fearnhead, Shoukai Yu, Patrick Biggs +2
A number of studies have suggested using comparisons between DNA sequences of closely related bacterial isolates to estimate the relative rate of recombination to mutation for that…
OGLE-2011-BLG-0265Lb: a Jovian Microlensing Planet Orbiting an M Dwarf
J. Skowron, I. -G. Shin, A. Udalski +121
We report the discovery of a Jupiter-mass planet orbiting an M-dwarf star that gave rise to the microlensing event OGLE-2011-BLG-0265. Such a system is very rare among known planet…
Independence in computable algebra
Matthew Harrison-Trainor, Alexander Melnikov, Antonio Montalbán
We give a sufficient condition for an algebraic structure to have a computable presentation with a computable basis and a computable presentation with no computable basis. We apply…