Additive Multi-Index Gaussian process modeling, with application to multi-physics surrogate modeling of the quark-gluon plasma

K Li, S Mak, JF Paquet, SA Bass - arXiv preprint arXiv:2306.07299, 2023 - arxiv.org
The Quark-Gluon Plasma (QGP) is a unique phase of nuclear matter, theorized to have filled
the Universe shortly after the Big Bang. A critical challenge in studying the QGP is that, to …

Computer model calibration with time series data using deep learning and quantile regression

S Bhatnagar, W Chang, S Kim, J Wang - SIAM/ASA Journal on Uncertainty …, 2022 - SIAM
Computer models play a key role in many scientific and engineering problems. One major
source of uncertainty in computer model experiments is input parameter uncertainty …

Adaptive-region sequential design with quantitative and qualitative factors in application to HPC configuration

X Cai, L Xu, CD Lin, Y Hong, X Deng - Journal of Quality …, 2024 - Taylor & Francis
Motivated by the need of finding optimal configuration in the high-performance computing
(HPC) system, this work proposes an adaptive-region sequential design (ARSD) for …

Calibration for computer experiments with binary responses and application to cell adhesion study

CL Sung, Y Hung, W Rittase, C Zhu… - Journal of the American …, 2020 - Taylor & Francis
Calibration refers to the estimation of unknown parameters which are present in computer
experiments but not available in physical experiments. An accurate estimation of these …

Optimize to generalize in Gaussian processes: An alternative objective based on the Rényi divergence

X Yue, R Al Kontar - IISE Transactions, 2024 - Taylor & Francis
We introduce an alternative closed-form objective function α-ELBO for improved parameter
estimation in the Gaussian process (GP) based on the Rényi α-divergence. We use a …

Fast L2 Calibration for Inexact Highway Traffic Flow Systems

J Huang, Y Wang, M Han - Electronics, 2022 - mdpi.com
Transportation systems need more accurate predictions to further optimize traffic network
design with the development and application of autonomous driving technology. In this …

Analysis of multivariate non-gaussian functional data: a semiparametric latent process approach

J Jiang, H Lin, Q Zhong, Y Li - Journal of Multivariate Analysis, 2022 - Elsevier
Commonly assumed for multivariate functional regression models are normality and
structural dependence, which, however, may not hold in practice. To relax these restrictions …

Statistical Inference on Large-scale and Complex Data via Gaussian Process

M Li - 2023 - deepblue.lib.umich.edu
Recent technological advancements have generated vast amounts of complex data in
various fields, including biomedical sciences such as neuroimages, electronic health …

Ice model calibration using semicontinuous spatial data

W Chang, BA Konomi, G Karagiannis… - The Annals of Applied …, 2022 - projecteuclid.org
Ice model calibration using semicontinuous spatial data Page 1 The Annals of Applied
Statistics 2022, Vol. 16, No. 3, 1937–1961 https://doi.org/10.1214/21-AOAS1577 © Institute of …

Renewal model for dependent binary sequences

M Zamparo - Journal of Statistical Physics, 2022 - Springer
We suggest to construct infinite stochastic binary sequences by associating one of the two
symbols of the sequence with the renewal times of an underlying renewal process. Focusing …