Online tensor learning: Computational and statistical trade-offs, adaptivity and optimal regret

J Li, JF Cai, Y Chen, D Xia - arXiv preprint arXiv:2306.03372, 2023 - arxiv.org
Large tensor learning algorithms are typically computationally expensive and require storing
a vast amount of data. In this paper, we propose a unified online Riemannian gradient …

Spatiotemporal upscaling of sparse air-sea pCO2 data via physics-informed transfer learning

S Kim, J Nathaniel, Z Hou, T Zheng, P Gentine - Scientific Data, 2024 - nature.com
Global measurements of ocean p CO 2 are critical to monitor and understand changes in the
global carbon cycle. However, p CO 2 observations remain sparse as they are mostly …

Solar Imaging Data Analytics: A Selective Overview of Challenges and Opportunities

Y Chen, W Manchester, M Jin… - Statistics and Data …, 2024 - Taylor & Francis
We give a gentle introduction to solar imaging data, focusing on the challenges and
opportunities of data-driven approaches for solar eruptions. We present various solar …

An Introduction on Solar Imaging Data Analytic Challenges and Opportunities for Statisticians

Y Chen, W Manchester, M Jin, A Pevtsov - arXiv preprint arXiv:2405.12331, 2024 - arxiv.org
We give a gentle introduction to solar imaging data, focusing on challenges and
opportunities of data-driven approaches for solar eruptions. The various solar phenomena …

Development of super plasma bubbles during the 7 September 2017 geomagnetic storm revealed by coupled GITM‐SAMI3 simulations

Z Wang, S Zou, JD Huba… - Geophysical Research …, 2024 - Wiley Online Library
In this study, we used the coupled GITM (Global Ionosphere Thermosphere Model)‐SAMI3
(Sami3 is Also a Model of the Ionosphere) model to simulate the response of the ionosphere …

Channel mixer layer: Multimodal fusion toward machine reasoning for spatiotemporal predictive learning of ionospheric total electron content

P Liu, T Yokoyama, T Sori, M Yamamoto - Space Weather, 2024 - Wiley Online Library
The spatiotemporal distribution of Total Electron Content (TEC) in ionosphere determines
the refractive index of electromagnetic wave leading to the radio signal scintillation and …

ED‐AttConvLSTM: An ionospheric TEC map prediction model using adaptive weighted spatiotemporal features

L Li, H Liu, H Le, J Yuan, H Wang, Y Chen… - Space …, 2024 - Wiley Online Library
In this paper, we propose a novel Total Electron Content (TEC) map prediction model,
named ED‐AttConvLSTM, using a Convolutional Long Short‐Term Memory (ConvLSTM) …

Conformalized Tensor Completion with Riemannian Optimization

H Sun, Y Chen - arXiv preprint arXiv:2405.00581, 2024 - arxiv.org
Tensor data, or multi-dimensional array, is a data format popular in multiple fields such as
social network analysis, recommender systems, and brain imaging. It is not uncommon to …

Comparison of Global TEC Prediction Performance with two Deep Learning Frameworks

K Yang, Y Liu - Proceedings of the 36th International Technical …, 2023 - ion.org
The ionosphere is a crucial component of Earth's atmosphere and plays a significant role in
radio communication, broadcasting, and radar positioning. Assessing the ionosphere's …

Spatiotemporal Forecasting of Ionospheric VTEC Using Transformer Model in the Global Scale

S Inturi - 2024 - search.proquest.com
Abstract This Global Navigation Satellite Systems (GNSS), including the United States
Global Positioning System (GPS), are critical for global navigation and timing. The accuracy …