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1–3 Mar 2025
Baiyan Building
Asia/Shanghai timezone

An Efficient Learning Method to Connect Observables

3 Mar 2025, 16:00
45m
19 Floor 1917 Room (Baiyan Building)

19 Floor 1917 Room

Baiyan Building

No. 238, North 4th Ring Central Road Auxiliary Road, Haidian District, Beijing

Speaker

Hang Yu (Center for Computational Sciences, Univesity of Tsukuba)

Description

Constructing fast and accurate surrogate models is a key ingredient for making robust predictions in many topics. We present a new model, the Multiparameter Eigenvalue Problem (MEP) emulator. Our new emulator connects emulators and can make predictions directly from observables to observables. We demonstrate that our MEP emulator can connect both Eigenvector Continuation (EC) and Parametric Matrix Model (PMM) emulators. We show an immediate application to the uncertainty quantification of valence-space in-medium similarity renormalization group calculations.

Primary author

Hang Yu (Center for Computational Sciences, Univesity of Tsukuba)

Co-author

Prof. Takayuki Miyagi (Center for Computational Sciences, University of Tsukuba)

Presentation materials