Matthew Ho 🚀
Matthew Ho

Postdoctoral Researcher

About Me

I’m a postdoctoral researcher at Columbia University, exploring the intersection of artificial intelligence, astrophysics, and cosmology.

I build machine learning models that analyze a mix of observational and simulated data for inference and emulation. My research addresses a broad spectrum of problems, including cosmological galaxy clustering, galaxy formation, galaxy clusters, and dust attenuation. My research focuses on robust and reliable ML for science, using Bayesian statistics and explainable AI to build trust in complex models. I co-lead the Implicit Likelihood Inference group within the Learning the Universe collaboration.

My publications are on Google Scholar and my open-source projects are on GitHub. I’m always looking for new collaborators, so please feel free to send me an email!

Download CV
Interests
  • Astrophysics
  • Cosmology
  • Numerical Simulations
  • Machine Learning
  • Bayesian Statistics
Education
  • PhD Physics

    Carnegie Mellon University

  • MSc Machine Learning

    Carnegie Mellon University

  • MSc Physics

    Carnegie Mellon University

  • BSc Engineering Physics

    University of Illinois at Urbana-Champaign

Featured Publications
Recent Publications
(2025). Ordered embeddings and intrinsic dimensionalities with information-ordered bottlenecks. Machine Learning: Science and Technology.
(2025). Reconstructing Galaxy Cluster Mass Maps using Score-based Generative Modeling. The Open Journal of Astrophysics.
(2025). Cosmology with One Galaxy: Autoencoding the Galaxy Properties Manifold. apj.
(2025). RTFAST-Spectra: emulation of X-ray reverberation mapping for active galactic nuclei. mnras.
(2025). Learning the Universe: $3 h^-1mÌŠ Gpc$ Tests of a Field Level $N$-body Simulation Emulator. arXiv e-prints.