3 papers
math.ST2026
Posterior Consistency for Recovering Initial States in Nonlinear Subdiffusion Equations
Haoyu Lu, Shaokang Zu, Junxiong Jia
We study the Bayesian recovery of the initial state in a semilinear time-fractional subdiffusion equation from noisy random space-time point observations. A rescaled Gaussian prior…
math.NA2025
Sequential Monte Carlo with Gaussian Mixture Approximation for Infinite-Dimensional Statistical Inverse Problems
Haoyu Lu, Junxiong Jia, Deyu Meng
By formulating the inverse problem of partial differential equations (PDEs) as a statistical inference problem, the Bayesian approach provides a general framework for quantifying u…
math.NA2024
Functional normalizing flow for statistical inverse problems of partial differential equations
Yang Zhao, Haoyu Lu, Junxiong Jia +1
Inverse problems of partial differential equations are ubiquitous across various scientific disciplines and can be formulated as statistical inference problems using Bayes' theorem…