Ritwik’s Academic Webpage

Hi, I am a final year PhD candidate in Statistics at University of Texas at Austin. My research focuses on reliable statistical inference under imperfect conditions, in particular when data is noisy or when models may be miscalibrated. To learn more about my research, please check out Research where i give a brief overview. To check out the projects, see Publications . I hope to talk about my projects in more detail later in blog posts and share the slides as well. At UT, I am a member of the CosmicAI Institute, where I am advised by Dr. Arya Farahi.

If you’d like to know more about me, I also have a personal website. It is more of a creative outlet, where I share my experiences and post some photos I took while travelling!

News

  • June 2026 I am on the job market for positions beginning Summer 2027. Please get in touch if you’d like to discuss opportunities.
  • June 2026 Two new preprints on simulation-based inference: OASIS on observation-aware inference with selection biases, and Nonparametric Deconvolution on density deconvolution and denoising.
  • May 2026 Won International Society of Bayesian Analysis Travel Award for presenting research at ISBA 2026
  • March 2026 Awarded Outstanding Graduate Research Fellowship, covering funding for academic year 2026-2027.
  • Feb 2026 New paper on measurement error out on arXiv.
  • May 2025 Presented work on trustworthy ML at AISTATS 2025.
  • May 2025 Won Keller Award for demonstrating exceptional leadership skills and supporting others during PhD.
  • Aug 2024 Started third year as a member of the CosmicAI Institute.

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Selected Publications

Convolutional Maximum Mean Discrepancy for Inference in Noisy Data

R. Vashistha, J. M. Phillips, A. Sarkar, A. Farahi

arXiv preprint, 2026

U-trustworthy Models: Reliability, Competence, and Confidence in Decision-Making

R. Vashistha, A. Farahi

AAAI Conference on Artificial Intelligence, 2024

View all publications →