Zobrazeno 1 - 10
of 2 346
pro vyhledávání: '"Hughes, John P."'
Autor:
Hughes, John
In this paper we prove that there exists a compact perturbation of the Ricci flat Taub-Bolt metric that evolves under the Ricci flow into a finite time singularity modelled on the shrinking solition FIK [5]. Moreover, this perturbation can be made ar
Externí odkaz:
http://arxiv.org/abs/2408.15269
Autor:
Schaeffer, Rylan, Valentine, Dan, Bailey, Luke, Chua, James, Eyzaguirre, Cristóbal, Durante, Zane, Benton, Joe, Miranda, Brando, Sleight, Henry, Hughes, John, Agrawal, Rajashree, Sharma, Mrinank, Emmons, Scott, Koyejo, Sanmi, Perez, Ethan
The integration of new modalities into frontier AI systems offers exciting capabilities, but also increases the possibility such systems can be adversarially manipulated in undesirable ways. In this work, we focus on a popular class of vision-languag
Externí odkaz:
http://arxiv.org/abs/2407.15211
Autor:
Gerstgrasser, Matthias, Schaeffer, Rylan, Dey, Apratim, Rafailov, Rafael, Sleight, Henry, Hughes, John, Korbak, Tomasz, Agrawal, Rajashree, Pai, Dhruv, Gromov, Andrey, Roberts, Daniel A., Yang, Diyi, Donoho, David L., Koyejo, Sanmi
The proliferation of generative models, combined with pretraining on web-scale data, raises a timely question: what happens when these models are trained on their own generated outputs? Recent investigations into model-data feedback loops proposed th
Externí odkaz:
http://arxiv.org/abs/2404.01413
Autor:
Sato, Toshiki, Matsunaga, Kai, Sawada, Ryo, Takahashi, Koh, Suwa, Yudai, Hughes, John P., Uchida, Hiroyuki, Narita, Takuto, Umeda, Hideyuki
Simulations of pre-supernova evolution suggest that some intense shell burning can be so active that, in extreme cases, it can merge with the outer shell, changing the initial conditions for the supernova explosion. However, such violent activity in
Externí odkaz:
http://arxiv.org/abs/2403.04156
The progenitor of the W49B supernova remnant is still under debate. One of the candidates is a jet-driven core-collapse supernova. In such a highly asymmetric explosion, a strong $\alpha$-rich freezeout is expected in local high entropy regions, whic
Externí odkaz:
http://arxiv.org/abs/2402.17957
Autor:
Khan, Akbir, Hughes, John, Valentine, Dan, Ruis, Laura, Sachan, Kshitij, Radhakrishnan, Ansh, Grefenstette, Edward, Bowman, Samuel R., Rocktäschel, Tim, Perez, Ethan
Common methods for aligning large language models (LLMs) with desired behaviour heavily rely on human-labelled data. However, as models grow increasingly sophisticated, they will surpass human expertise, and the role of human evaluation will evolve i
Externí odkaz:
http://arxiv.org/abs/2402.06782
Understanding the behaviour of a system's API can be hard. Giving users access to relevant examples of how an API behaves has been shown to make this easier for them. In addition, such examples can be used to verify expected behaviour or identify unw
Externí odkaz:
http://arxiv.org/abs/2308.15210
Autor:
Siebert, Matthew R., Kwok, Lindsey A., Johansson, Joel, Jha, Saurabh W., Blondin, Stéphane, Dessart, Luc, Foley, Ryan J., Hillier, D. John, Larison, Conor, Pakmor, Rüdiger, Temim, Tea, Andrews, Jennifer E., Auchettl, Katie, Badenes, Carles, Barna, Barnabas, Bostroem, K. Azalee, Newman, Max J. Brenner, Brink, Thomas G., Bustamante-Rosell, María José, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David A., Davis, Kyle W., Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei V., Flörs, Andreas, Fox, Ori D., Garnavich, Peter, Gonzalez, Estefania Padilla, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Saux, Xavier K. Le, Maeda, Keiichi, Maguire, Kate, McCully, Curtis, Mihalenko, Cassidy, Newsome, Megan, O'Brien, John T., Pearson, Jeniveve, Pellegrino, Craig, Pierel, Justin D. R., Polin, Abigail, Rest, Armin, Rojas-Bravo, César, Sand, David J., Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamás, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco H., Tinyanont, Samaporn, Valenti, Stefano, Vinkó, József, Wheeler, J. Craig, Yang, Yi, Zheng, Weikang, Ashall, Chris, Derkacy, James M., Galbany, Lluís, Hoeflich, Peter, Hsiao, Eric, De Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morrell, Nidia, Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan
Nebular-phase observations of peculiar Type Ia supernovae (SNe Ia) provide important constraints on progenitor scenarios and explosion dynamics for both these rare SNe and the more common, cosmologically useful SNe Ia. We present observations from an
Externí odkaz:
http://arxiv.org/abs/2308.12449
Autor:
Kwok, Lindsey A., Siebert, Matthew R., Johansson, Joel, Jha, Saurabh W., Blondin, Stephane, Dessart, Luc, Foley, Ryan J., Hillier, D. John, Larison, Conor, Pakmor, Ruediger, Temim, Tea, Andrews, Jennifer E., Auchettl, Katie, Badenes, Carles, Barna, Barnabas, Bostroem, K. Azalee, Newman, Max J. Brenner, Brink, Thomas G., Bustamante-Rosell, Maria Jose, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David A., Davis, Kyle W., Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei V., Flors, Andreas, Fox, Ori D., Garnavich, Peter, Gonzalez, Estefania Padilla, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Saux, Xavier K. Le, Maeda, Keiichi, Maguire, Kate, McCully, Curtis, Mihalenko, Cassidy, Newsome, Megan, O'Brien, John T., Pearson, Jeniveve, Pellegrino, Craig, Pierel, Justin D. R., Polin, Abigail, Rest, Armin, Rojas-Bravo, Cesar, Sand, David J., Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamas, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco H., Tinyanont, Samaporn, Valenti, Stefano, Vinko, Jozsef, Wheeler, J. Craig, Yang, Yi, Zheng, WeiKang, Ashall, Chris, DerKacy, James M., Galbany, Lluis, Hoeflich, Peter, de Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morrell, Nidia, Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan
Publikováno v:
The Astrophysical Journal, Volume 966, Issue 1, id.135, 18 pp., May 2024
We present an analysis of ground-based and JWST observations of SN~2022pul, a peculiar "03fg-like" (or "super-Chandrasekhar") Type Ia supernova (SN Ia), in the nebular phase at 338d post explosion. Our combined spectrum continuously covers 0.4--14 $\
Externí odkaz:
http://arxiv.org/abs/2308.12450
Autor:
Sato, Toshiki, Katsuda, Satoru, Morii, Mikio, Bamba, Aya, Hughes, John P., Maeda, Yoshitomo, Ishida, Manabu, Fraschetti, Federico
We present new evidence that the bright nonthermal X-ray emission features in the interior of the Cassiopeia A supernova remnant are caused by inward-moving shocks, based on Chandra and NuSTAR observations. Several bright inward-moving filaments were
Externí odkaz:
http://hdl.handle.net/10150/626534
http://arizona.openrepository.com/arizona/handle/10150/626534
http://arizona.openrepository.com/arizona/handle/10150/626534