Zobrazeno 1 - 10
of 172
pro vyhledávání: '"Dexter, P R"'
Autor:
Gogo, Tamirat G., Ma, Yin-Zhe, Kittiwisit, Piyanat, Sievers, Jonathan L., Parsons, Aaron R., Pober, Jonathan C., Jacobs, Daniel C., Cheng, Carina, Kolopanis, Matthew, Liu, Adrian, Kohn, Saul A., Aguirre, James E., Ali, Zaki S., Bernardi, Gianni, Bradley, Richard F., DeBoer, David R., Dexter, Matthew R., Dillon, Joshua S., Klima, Pat, MacMahon, David H. E., Moore, David F., Nunhokee, Chuneeta D., Walbrugh, William P., Walker, Andre
Observation of redshifted 21-cm signal from the Epoch of Reionization (EoR) is challenging due to contamination from the bright foreground sources that exceed the signal by several orders of magnitude. The removal of this very high foreground relies
Externí odkaz:
http://arxiv.org/abs/2112.01083
Robots need models of human behavior for both inferring human goals and preferences, and predicting what people will do. A common model is the Boltzmann noisily-rational decision model, which assumes people approximately optimize a reward function an
Externí odkaz:
http://arxiv.org/abs/2001.04465
Akademický článek
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While most approaches to the problem of Inverse Reinforcement Learning (IRL) focus on estimating a reward function that best explains an expert agent's policy or demonstrated behavior on a control task, it is often the case that such behavior is more
Externí odkaz:
http://arxiv.org/abs/1909.05477
Akademický článek
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Autor:
Cheng, Carina, Parsons, Aaron R., Kolopanis, Matthew, Jacobs, Daniel C., Liu, Adrian, Kohn, Saul A., Aguirre, James E., Pober, Jonathan C., Ali, Zaki S., Bernardi, Gianni, Bradley, Richard F., Carilli, Chris L., DeBoer, David R., Dexter, Matthew R., Dillon, Joshua S., Klima, Pat, MacMahon, David H. E., Moore, David F., Nunhokee, Chuneeta D., Walbrugh, William P., Walker, Andre
The Epoch of Reionization (EoR) is an uncharted era in our Universe's history during which the birth of the first stars and galaxies led to the ionization of neutral hydrogen in the intergalactic medium. There are many experiments investigating the E
Externí odkaz:
http://arxiv.org/abs/1810.05175
When a human supervisor collaborates with a team of robots, their attention is divided and cognitive resources are at a premium. We aim to optimize the distribution of these resources and the flow of attention. To this end, we propose the model of an
Externí odkaz:
http://arxiv.org/abs/1805.03328
Autor:
Price, D. C., Greenhill, L. J., Fialkov, A., Bernardi, G., Garsden, H., Barsdell, B. R., Kocz, J., Anderson, M. M., Bourke, S. A., Craig, J., Dexter, M. R., Dowell, J., Eastwood, M. W., Eftekhari, T., Ellingson, S. W., Hallinan, G., Hartman, J. M., Kimberk, R., Lazio, T. J. W., Leiker, S., MacMahon, D., Monroe, R., Schinzel, F., Taylor, G. B., Tong, E., Werthimer, D., Woody, D. P.
The Large-Aperture Experiment to Detect the Dark Age (LEDA) was designed to detect the predicted O(100)mK sky-averaged absorption of the Cosmic Microwave Background by Hydrogen in the neutral pre- and intergalactic medium just after the cosmological
Externí odkaz:
http://arxiv.org/abs/1709.09313
Autor:
Pober, Jonathan C., Ali, Zaki S., Parsons, Aaron R., McQuinn, Matthew, Aguirre, James E., Bernardi, Gianni, Bradley, Richard F., Carilli, Chris L., Cheng, Carina, DeBoer, David R., Dexter, Matthew R., Furlanetto, Steven R., Grobbelaar, Jasper, Horrell, Jasper, Jacobs, Daniel C., Klima, Patricia J., Kohn, Saul A., Liu, Adrian, MacMahon, David H. E., Maree, Matthys, Mesinger, Andrei, Moore, David F., Razavi-Ghods, Nima, Stefan, Irina I., Walbrugh, William P., Walker, Andre, Zheng, Haoxuan
We present constraints on both the kinetic temperature of the intergalactic medium (IGM) at z=8.4, and on models for heating the IGM at high-redshift with X-ray emission from the first collapsed objects. These constraints are derived using a semi-ana
Externí odkaz:
http://arxiv.org/abs/1503.00045
Autor:
Ali, Zaki S., Parsons, Aaron R., Zheng, Haoxuan, Pober, Jonathan C., Liu, Adrian, Aguirre, James E., Bradley, Richard F., Bernardi, Gianni, Carilli, Chris L., Cheng, Carina, DeBoer, David R., Dexter, Matthew R., Grobbelaar, Jasper, Horrell, Jasper, Jacobs, Daniel C., Klima, Pat, MacMahon, David H. E., Maree, Matthys, Moore, David F., Razavi, Nima, Stefan, Irina I., Walbrugh, William P., Walker, Andre
Publikováno v:
Astrophysical Journal 809 61, August 2015
In this paper, we report new limits on 21cm emission from cosmic reionization based on a 135-day observing campaign with a 64-element deployment of the Donald C. Backer Precision Array for Probing the Epoch of Reionization (PAPER) in South Africa. Th
Externí odkaz:
http://arxiv.org/abs/1502.06016