# Armeet Singh Jatyani

> Founder · AI Researcher & Engineer

Co-founder at [Arcten](https://arcten.com), building [Chopin](https://chopin.so) (multiplayer background coding agents), backed by [Y Combinator](https://www.ycombinator.com/). Previously, AI researcher at [Caltech](https://tensorlab.cms.caltech.edu/users/anima/). Presented at [CVPR 2025](https://x.com/AnimaAnandkumar/status/1934254304572956860) & [NeurIPS 2024](https://www.linkedin.com/feed/update/urn:li:activity:7275300433831571456/).

## Links

- [Homepage](https://armeet.ca)
- [Publications](https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=armeet+singh+jatyani&btnG=)
- [Experience](https://linkedin.com/in/armeetjatyani)
- [Blog](https://blog.armeet.ca)
- [Pictures](https://vsco.co/armeetj/gallery)

## Publications

- **Resolution-Independent Neural Operators for Multi-Rate Sparse-View CT** (CVPR 2026) — Aujasvit Datta, Jiayun Wang, Asad Aali, Armeet Singh Jatyani, Anima Anandkumar
- **Coarse-to-Fine 3D MRI Reconstruction via 3D Neural Operators** (NeurIPS 2025*) — Armeet Singh Jatyani, Jiayun Wang, Ryan Y. Lin, Valentin Duruisseaux, Anima Anandkumar — [PDF](https://openreview.net/pdf?id=aUyIydXQML)
- **A Unified Model for Compressed Sensing MRI Across Undersampling Patterns** (CVPR 2025) — Armeet Singh Jatyani, Jiayun Wang, Zihui Wu, Miguel Liu-Schiaffini, Bahareh Tolooshams, Anima Anandkumar — [PDF](https://arxiv.org/pdf/2410.16290) · [arXiv](https://arxiv.org/abs/2410.16290) · [Code](https://github.com/neuraloperator/mri) · [Demo](https://huggingface.co/spaces/armeet/nomri) · [Blog](https://armeet.ca/nomri)
- **Unifying Subsampling Pattern Variations for Compressed Sensing MRI with Neural Operators** (NeurIPS 2024*) — Armeet Singh Jatyani, Jiayun Wang, Zihui Wu, Miguel Liu-Schiaffini, Bahareh Tolooshams, Anima Anandkumar — [PDF](https://arxiv.org/pdf/2410.16290) · [arXiv](https://arxiv.org/abs/2410.16290) · [Code](https://github.com/neuraloperator/mri)

## Experience

- **Arcten** — Part of Y Combinator's F25 batch (2025 – Curr)
- **Anima AI + Science Lab** — AI for medical imaging and science (2023 – 2025)
- **Seismo Lab** — Imaged hidden fault lines under Long Beach (2023 – 2024)
- **Wei Bio-Imaging Lab** — AI-powered molecular fingerprinting for pharmaceutical analysis (2022)

## Blog

- [Sandbox Coding Agents Suck Rn](https://blog.armeet.ca/sandbox-coding-agents-suck-rn/) (Feb 7, 2026)
- [The Faster Shell](https://blog.armeet.ca/the-faster-shell/) (Dec 24, 2025)
- [Becoming The Machine](https://blog.armeet.ca/becoming-the-machine/) (Dec 24, 2025)
- [Web Mri Volume Renderer In Rust](https://blog.armeet.ca/web-mri-volume-renderer-in-rust/) (Dec 24, 2025)
- [Importance Of Writing](https://blog.armeet.ca/importance-of-writing/) (Dec 24, 2025)
- [The Reasonable Effectiveness Of The Web](https://blog.armeet.ca/the-reasonable-effectiveness-of-the-web/) (Dec 24, 2025)
- [Telegram Alerts For Training](https://blog.armeet.ca/telegram-alerts-for-training/) (Dec 24, 2025)
- [Multi Node Training Tacc Vista](https://blog.armeet.ca/multi-node-training-tacc-vista/) (Dec 24, 2025)

## Contact

- Email: armeet@arcten.com
- [Github](https://github.com/armeetj)
- [Twitter](https://twitter.com/armeetjatyani)
- [LinkedIn](https://www.linkedin.com/in/armeetjatyani)
- [Instagram](https://www.instagram.com/armeetj)