Zobrazeno 1 - 10
of 799
pro vyhledávání: '"Shelton, A. R."'
We introduce MF-Box, an extended version of MFEmulator, designed as a fast surrogate for power spectra, trained using N-body simulation suites from various box sizes and particle loads. To demonstrate MF-Box's effectiveness, we design simulation suit
Externí odkaz:
http://arxiv.org/abs/2306.03144
Autor:
Hong, Chengkuan, Shelton, Christian R.
Neyman-Scott processes (NSPs) have been applied across a range of fields to model points or temporal events with a hierarchy of clusters. Markov chain Monte Carlo (MCMC) is typically used for posterior sampling in the model. However, MCMC's mixing ti
Externí odkaz:
http://arxiv.org/abs/2303.03701
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 1 January 2025 433 Part A
Publikováno v:
Biophysics Rev. 3, 011302 (2022)
With a kind of magnetism, the human retina draws the eye of neuroscientist and physicist alike. It is attractive as a self-organizing system, which forms as a part of the central nervous system via biochemical and mechanical cues. The retina is also
Externí odkaz:
http://arxiv.org/abs/2201.07091
Autor:
Hong, Chengkuan, Shelton, Christian R.
A Neyman-Scott process is a special case of a Cox process. The latent and observable stochastic processes are both Poisson processes. We consider a deep Neyman-Scott process in this paper, for which the building components of a network are all Poisso
Externí odkaz:
http://arxiv.org/abs/2111.03949
Autor:
Hong, Chengkuan, Shelton, Christian R.
We describe convolutional deep exponential families (CDEFs) in this paper. CDEFs are built based on deep exponential families, deep probabilistic models that capture the hierarchical dependence between latent variables. CDEFs greatly reduce the numbe
Externí odkaz:
http://arxiv.org/abs/2110.14800
We present methods for emulating the matter power spectrum by combining information from cosmological $N$-body simulations at different resolutions. An emulator allows estimation of simulation output by interpolating across the parameter space of a l
Externí odkaz:
http://arxiv.org/abs/2105.01081
Autor:
Fauber, Leah, Ho, Ming-Feng, Bird, Simeon, Shelton, Christian R., Garnett, Roman, Korde, Ishita
We develop an automated technique to measure quasar redshifts in the Baryon Oscillation Spectroscopic Survey (BOSS) of the Sloan Digital Sky Survey (SDSS). Our technique is an extension of an earlier Gaussian process method for detecting damped Lyman
Externí odkaz:
http://arxiv.org/abs/2006.07343
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