Results 31 to 40 of about 4,101,702 (289)

Deep observations of CO line emission from star-forming galaxies in a cluster candidate at z=1.5 [PDF]

, 2012
We report results from a deep Jansky Very Large Array (JVLA) search for CO 1-0 line emission from galaxies in a candidate galaxy cluster at z~1.55 in the COSMOS field.
A. Finoguenov, Aravena, Aravena, B. Magnelli, Bielby, Bolzonella, Bondi, Bothwell, Bouwens, Brandt, Bruzual, C. L. Carilli, Calzetti, Capak, Carilli, Carilli, Combes, Coppin, Coppin, Cowie, Cox, Crocker, D. Farrah, D. Lutz, D. Riechers, Daddi, Daddi, Daddi, Daddi, Daddi, Daddi, Dannerbauer, Dannerbauer, De Lucia, Dekel, Dressler, E. Le Floc'h, E. Schinnerer, F. Bertoldi, F. Pozzi, F. Walter, Feroz, Finoguenov, Frayer, Frayer, Fu, Förster Schreiber, G. Magdis, Geach, Genzel, Giavalisco, Greve, Guzzo, H. Aussel, Ilbert, Iono, Ivison, Ivison, Kennicutt, Keres, Kereš, Kovács, Kruegel, L. Lentati, L. Riguccini, Lacy, Lagos, Leroy, Lestrade, Lidman, Lilly, Lilly, Lilly, Lutz, M. Aravena, M. Salvato, M. Tanaka, Madau, Magdis, Miley, Nguyen, Obreschkow, Obreschkow, Oliver, Ouchi, P. Capak, Perley, Riechers, Riechers, Riechers, Riechers, Riechers, Riechers, Rodighiero, Rodighiero, S. Berta, S. C. Chapman, S. Oliver, Salvato, Salvato, Schinnerer, Schinnerer, Schinnerer, Scott, Scoville, Shapiro, Smolčić, Smolčić, Solomon, Solomon, Spergel, Springel, Steidel, Stern, Tacconi, Tanaka, V. Smǒlcić, Weiß, Weiß, Wilson, Wootten   +120 more
core   +4 more sources

Search for an emission line of a gravitational wave background [PDF]

, 2015
In the light of the history of researches on electromagnetic wave spectrum, a sharp emission line of gravitational-wave background (GWB) would be an interesting observational target.
Nishizawa, Atsushi, Seto, Naoki
core   +2 more sources

A New Forward–Backward Algorithm with Line Searchand Inertial Techniques for Convex Minimization Problems with Applications

Mathematics, 2021
For the past few decades, various algorithms have been proposed to solve convex minimization problems in the form of the sum of two lower semicontinuous and convex functions.
Dawan Chumpungam, Panitarn Sarnmeta, Suthep Suantai   +2 more
doaj   +1 more source

Variable metric inexact line-search based methods for nonsmooth optimization [PDF]

, 2015
We develop a new proximal-gradient method for minimizing the sum of a differentiable, possibly nonconvex, function plus a convex, possibly non differentiable, function.
Bonettini, Silvia, Loris, Ignace, Porta, Federica, Prato, Marco   +3 more
core   +2 more sources

Revisiting the Problem of Searching on a Line [PDF]

, 2013
We revisit the problem of searching for a target at an unknown location on a line when given upper and lower bounds on the distance D that separates the initial position of the searcher from the target. Prior to this work, only asymptotic bounds were known for the optimal competitive ratio achievable by any search strategy in the worst case. We present
Prosenjit Bose, Jean-Lou De Carufel, Stephane Durocher   +2 more
openaire   +2 more sources

Competitive Searching for a Line on a Line Arrangement.

, 2018
We discuss the problem of searching for an unknown line on a known or unknown line arrangement by a searcher S, and show that a search strategy exists that finds the line competitively, that is, with detour factor at most a constant when compared to the situation where S has all knowledge. In the case where S knows all lines but not which one is sought,
Quirijn W. Bouts, Thom Castermans, Arthur van Goethem, Marc J. van Kreveld, Wouter Meulemans   +4 more
openaire   +6 more sources

BATSE Gamma-Ray Burst Line Search: IV. Line Candidates from the Visual Search

, 1995
We evaluate the significance of the line candidates identified by a visual search of burst spectra from BATSE's Spectroscopy Detectors. None of the candidates satisfy our detection criteria: an F-test probability less than 10^-4 for a feature in one ...
Band, D. L., Briggs, M. S., Ford, L. A., Matteson, J. L., Paciesas, W. S., Palmer, D. M., Pendleton, G. N., Preece, R. D., Ryder, S., Teegarden, B. J.   +9 more
core   +1 more source

A Parallel Best-Response Algorithm with Exact Line Search for Nonconvex Sparsity-Regularized Rank Minimization [PDF]

, 2017
In this paper, we propose a convergent parallel best-response algorithm with the exact line search for the nondifferentiable nonconvex sparsity-regularized rank minimization problem.
Pesavento, Marius, Yang, Yang
core   +2 more sources

A New Restarting Criterion for FR-CG Method with Exact and Inexact Line Searches [PDF]

Al-Rafidain Journal of Computer Sciences and Mathematics, 2008
A new restarting criterion for FR-CG method is derived and investigated in this paper. This criterion is globally convergent whenever the line search fulfills the Wolfe conditions.
Maha Younis
doaj   +1 more source

A Derivative-Free Line-Search Algorithm for Simulation-Driven Design Optimization Using Multi-Fidelity Computations

Mathematics, 2022
The paper presents a multi-fidelity extension of a local line-search-based derivative-free algorithm for nonsmooth constrained optimization (MF-CS-DFN).
Riccardo Pellegrini, Andrea Serani, Giampaolo Liuzzi, Francesco Rinaldi, Stefano Lucidi, Matteo Diez   +5 more
doaj   +1 more source