Search Results - "Enßlin, Torsten A."

Information Theory for Fields by Enßlin, Torsten A.

“…A physical field has an infinite number of degrees of freedom since it has a field value at each location of a continuous space. Therefore, it is impossible to…”
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Bayesian non-linear large-scale structure inference of the Sloan Digital Sky Survey Data Release 7 by Jasche, Jens, Kitaura, Francisco S., Li, Cheng, Enßlin, Torsten A.

“…In this work, we present the first non-linear, non-Gaussian full Bayesian large-scale structure analysis of the cosmic density field conducted so far. The…”
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Jets, bubbles, and heat pumps in galaxy clusters by Chen, Yi-Hao, Heinz, Sebastian, Enßlin, Torsten A

“…Abstract Feedback from active galactic nucleus (AGN) jets has been proposed to counteract the catastrophic cooling in many galaxy clusters. However, it is…”
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Simulating cosmic rays in clusters of galaxies – II. A unified scheme for radio haloes and relics with predictions of the γ-ray emission by Pfrommer, Christoph, Enßlin, Torsten A., Springel, Volker

“…The thermal plasma of galaxy clusters lost most of its information on how structure formation proceeded as a result of dissipative processes. In contrast,…”
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Bayesian power-spectrum inference for large-scale structure data by Jasche, Jens, Kitaura, Francisco S., Wandelt, Benjamin D., Enßlin, Torsten A.

“…We describe an exact, flexible and computationally efficient algorithm for a joint inference of the large-scale structure and its power spectrum, building on a…”
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Geometric Variational Inference by Frank, Philipp, Leike, Reimar, Enßlin, Torsten A.

“…Efficiently accessing the information contained in non-linear and high dimensional probability distributions remains a core challenge in modern statistics…”
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Field Dynamics Inference for Local and Causal Interactions by Frank, Philipp, Leike, Reimar, Enßlin, Torsten A.

“…Inference of fields defined in space and time from observational data is a core discipline in many scientific areas. This work approaches the problem in a…”
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Simulations of cosmic-ray feedback by active galactic nuclei in galaxy clusters by Sijacki, Debora, Pfrommer, Christoph, Springel, Volker, Enßlin, Torsten A.

“…Feedback processes by active galactic nuclei (AGN) appear to be a key for understanding the nature of the very X-ray luminous cool cores found in many clusters…”
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Bayesian Reasoning with Trained Neural Networks by Knollmüller, Jakob, Enßlin, Torsten A.

“…We showed how to use trained neural networks to perform Bayesian reasoning in order to solve tasks outside their initial scope. Deep generative models provide…”
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Probabilistic Autoencoder Using Fisher Information by Zacherl, Johannes, Frank, Philipp, Enßlin, Torsten A

“…Neural networks play a growing role in many scientific disciplines, including physics. Variational autoencoders (VAEs) are neural networks that are able to…”
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Gentle reenergization of electrons in merging galaxy clusters by de Gasperin, Francesco, Intema, Huib T, Shimwell, Timothy W, Brunetti, Gianfranco, Brüggen, Marcus, Enßlin, Torsten A, van Weeren, Reinout J, Bonafede, Annalisa, Röttgering, Huub J A

“…Galaxy clusters are the most massive constituents of the large-scale structure of the universe. Although the hot thermal gas that pervades galaxy clusters is…”
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Puzzling large-scale polarization in the galaxy cluster Abell 523 by Vacca, Valentina, Govoni, Federica, Murgia, Matteo, Perley, Richard A, Feretti, Luigina, Giovannini, Gabriele, Carretti, Ettore, Gastaldello, Fabio, Cova, Filippo, Marchegiani, Paolo, Battistelli, Elia, Boschin, Walter, Enßlin, Torsten A, Girardi, Marisa, Loi, Francesca, Radiconi, Federico

“…ABSTRACT Large-scale magnetic fields reveal themselves through diffuse synchrotron sources observed in galaxy clusters such as radio halos. Total intensity…”
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Optimal Belief Approximation by Leike, Reimar, Enßlin, Torsten

“…In Bayesian statistics probability distributions express beliefs. However, for many problems the beliefs cannot be computed analytically and approximations of…”
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Fast magnetic field amplification in distant galaxy clusters by Di Gennaro, Gabriella, van Weeren, Reinout J., Brunetti, Gianfranco, Cassano, Rossella, Brüggen, Marcus, Hoeft, Matthias, Shimwell, Timothy W., Röttgering, Huub J. A., Bonafede, Annalisa, Botteon, Andrea, Cuciti, Virginia, Dallacasa, Daniele, de Gasperin, Francesco, Domínguez-Fernández, Paola, Enßlin, Torsten A., Gastaldello, Fabio, Mandal, Soumyajit, Rossetti, Mariachiara, Simionescu, Aurora

“…In the present-day Universe, magnetic fields pervade galaxy clusters 1 and have strengths of a few microgauss, as measured from Faraday rotation 2 . Evidence…”
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Cosmic cartography of the large-scale structure with Sloan Digital Sky Survey data release 6 by Kitaura, Francisco S., Jasche, Jens, Li, Cheng, Enßlin, Torsten A., Metcalf, R. Benton, Wandelt, Benjamin D., Lemson, Gerard, White, Simon D. M.

“…We present the largest Wiener reconstruction of the cosmic density field made to date. The reconstruction is based on the Sloan Digital Sky Survey (SDSS) data…”
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The Physics of Information by Enßlin, Torsten A., Jasche, Jens, Skilling, John

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Toward Bayesian Data Compression by Harth‐Kitzerow, Johannes, Leike, Reimar H., Arras, Philipp, Enßlin, Torsten A.

“…In order to handle large datasets omnipresent in modern science, efficient compression algorithms are necessary. Here, a Bayesian data compression (BDC)…”
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Cosmic rays and the primordial gas by Jasche, Jens, Ciardi, Benedetta, Enßlin, Torsten A.

“…One of the most-outstanding problems in the gravitational collapse scenario of early structure formation is the cooling of primordial gas to allow for…”
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Bayesian analysis of spatially distorted cosmic signals from Poissonian data by Weig, Cornelius, Enßlin, Torsten A.

“…Reconstructing the matter density field from galaxy counts is a problem frequently addressed in current literature. Two main sources of error are shot noise…”
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Supersymmetric theory of stochastic ABC model by Ovchinnikov, Igor V, Sun, Yuquan, Enßlin, Torsten A, Wang, Kang L

“…In this paper, we investigate numerically the stochastic ABC model, a toy model in the theory of astrophysical kinematic dynamos, within the recently proposed…”
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