Avi Bagchi

Avi Bagchi

aviba@cs.utexas.edu

CV / Google Scholar / GitHub / LinkedIn

Education
PhD in Computer Science
The University of Texas at Austin
2026-
BSE in Computer Science (summa cum laude)
University of Pennsylvania
2022-2026

News
  • October 2026 — Our paper "ALF: Spectrally Anchored Latent Flow Matching for Wireless Signal Generation" is now on arXiv.
  • October 2026 — Our paper "Doppler Invariant CNN for Signal Classification" will appear at the NeurIPS 2026 Workshop on Symmetry and Geometry in Neural Representations.
  • May 2026 — Graduated from UPenn summa cum laude. Submitted senior thesis: "Toward Trustworthy AI: Robustness, Generalization, and Provenance".
  • March 2026 — Committed to the PhD program in Computer Science at UT Austin, advised by Professor Sanjay Shakkottai.
  • Spring 2026 — Presented posters at ICLR 2026 workshops on trustworthy AI and time series modeling.
  • May 2025 — Summer research at MIT Lincoln Laboratory (Group 64) on tactical satellite communications.

Research Interests

I am interested in improving the reliability and security of AI systems, with a current focus on diffusion models.

Papers

ALF: Spectrally Anchored Latent Flow Matching for Wireless Signal Generation

Yiyang Li, Sai Shankar Narasimhan, Priam Alataris, Avi Bagchi, Kaushik Chowdhury, Sanjay Shakkottai

arXiv preprint

Paper

Watermarking Discrete Diffusion Language Models

Avi Bagchi, Akhil Bhimaraju, Moulik Choraria, Daniel Alabi, and Lav R. Varshney

ICLR 2026 Workshop on Principled Design for Trustworthy AI - Interpretability, Robustness, and Safety across Modalities

Paper | Slides

Factor Dimensionality and the Bias–Variance Tradeoff in Diffusion Portfolio Models

Avi Bagchi, Michael Tesfaye, Om Shastri

ICLR 2026 Workshop on Time Series in the Age of Large Models

Paper

Doppler Invariant CNN for Signal Classification

Avi Bagchi, Dwight Hutchenson, Shubhan Bhattacharya

NeurIPS 2026 Workshop on Symmetry and Geometry in Neural Representations

Paper

Experience

  • Graduate Student Researcher
    The University of Texas at Austin
    May 2026 – Present
    Supervisor: Professor Sanjay Shakkottai
  • Undergraduate Student Researcher
    University of Illinois Urbana-Champaign (Information & Intelligence Group)
    June 2024 – May 2026
    Supervisors: Professors Lav Varshney & Daniel Alabi
  • Research Intern (Tactical Satellite Communications)
    MIT Lincoln Laboratory (Group 64), Lexington, MA
    May 2025 – August 2025
    Supervisor: Dwight Hutchenson
  • Quantitative Research Intern
    Nebula Research and Development, New York, NY
    October 2023 – August 2024
    Supervisor: Dr. Limin Wang
  • Undergraduate Researcher
    The Wharton School, Philadelphia, PA
    August 2022 – May 2024
    Supervisor: Professor Prasanna Tambe