Hieu Vu (Ian)

If you use steering to control the behavior of your LLM, use angular steering 😃 openreview.net/pdf?id=GU2UeVZ… We’ll release our NeurIPS spotlight version of the paper soon. #LLM, #alignment, #safeAI

My first-ever first-author paper has just been accepted to #NeurIPS2025 as a spotlight (top 3.5%) Big thanks to Prof. @TanNguyen689 for agreeing to support my submission merely 10 days before the deadline 🙇 I can’t help but wonder what we might achieve with more time.

We are thrilled to share that our Mathematical AI Group @ NUS has 4 papers accepted to #NeurIPS2025, with 1 oral and 1 spotlight. 🚀🚀 Congrats to all the lead student authors and collaborators!!--Viet-Hoang Tran, Van-Hoan Trinh (@VanHoanTrinh), Khanh-Vinh Bui (@BiVnh51534727), Duy-Tung Pham (@pdt931604), An Nguyen The (@sg__nta), Thanh Tran (@qthanhtran), Thanh Chu (@thchulz), Hieu M. Vu (@lone17_) 👏👏 These are great collaborations with Prof. Thieu N. Vo (@thieunvo), Prof. Xin T. Tong, Prof. Nhan-Phu Chung, and Prof. Tam Le (@TamTLe). 🍀🍀 Our sincere thanks also go to the NeurIPS 2025 reviewers and chairs for their thoughtful evaluations and constructive feedback, which have helped us further improve our work. 🙏🙏 Below is a list of our accepted papers: 1. On Linear Mode Connectivity of Mixture-of-Experts Architectures (Oral) Viet-Hoang Tran, Van-Hoan Trinh, Khanh-Vinh Bui, Tan M. Nguyen 2. Angular Steering: Behavior Control via Rotation in Activation Space (Spotlight) Hieu M. Vu, Tan M. Nguyen 3. Dynamical Properties of Tokens in Self-Attention and Effects of Positional Encoding Thieu N. Vo, Duy-Tung Pham, An Nguyen The, Viet-Hoang Tran, Nhan-Phu Chung, Xin T. Tong, Tan M. Nguyen 4. Tree-Sliced Entropy Partial Transport Viet-Hoang Tran, Thanh Tran, Thanh Chu, Tam Le, Tan M. Nguyen @NeurIPSConf, #neurips25, #MixtureOfExperts, #transformer, #SelfAttention, #optimaltransport, #equivariant, #LLM, #AIsafety, #MLTheory, #DLTheory, #AI, #MachineLearning, #DeepLearning

Everything you love about generative models — now powered by real physics! Announcing the Genesis project — after a 24-month large-scale research collaboration involving over 20 research labs — a generative physics engine able to generate 4D dynamical worlds powered by a physics simulation platform designed for general-purpose robotics and physical AI applications. Genesis's physics engine is developed in pure Python, while being 10-80x faster than existing GPU-accelerated stacks like Isaac Gym and MJX. It delivers a simulation speed ~430,000 faster than in real-time, and takes only 26 seconds to train a robotic locomotion policy transferrable to the real world on a single RTX4090 (see tutorial: genesis-world.readthedocs.io/en/latest/user…). The Genesis physics engine and simulation platform is fully open source at github.com/Genesis-Embodi…. We'll gradually roll out access to our generative framework in the near future. Genesis implements a unified simulation framework all from scratch, integrating a wide spectrum of state-of-the-art physics solvers, allowing simulation of the whole physical world in a virtual realm with the highest realism. We aim to build a universal data engine that leverages an upper-level generative framework to autonomously create physical worlds, together with various modes of data, including environments, camera motions, robotic task proposals, reward functions, robot policies, character motions, fully interactive 3D scenes, open-world articulated assets, and more, aiming towards fully automated data generation for robotics, physical AI and other applications. Open Source Code: github.com/Genesis-Embodi… Project webpage: genesis-embodied-ai.github.io Documentation: genesis-world.readthedocs.io 1/n

@Gradio @huggingface Thanks for showcasing our project 🤗

@huggingface The Kotaemon team has created its own Gradio theme for everyone to use. github.com/lone17/kotaemo…

Cinnamon AI's kotaemon is a project that serves as a functional RAG UI for both end users who want to do QA on their documents and developers who want to build their own RAG pipeline. Trending on GitHub rn🔥 🤯 Learn more 👇

Join in the live broadcast to interact and learn from the Kotaemon (RAG UI) team: x.com/i/broadcasts/1…

@Mai_InNature @CohereForAI @CohereForAI will make an official release shortly with many more details, please stay tuned !

There is a new multilingual kid on the block ✨ It can speak 23 languages including Vietnamese, and it will be open-source. Thank you @CohereForAI for making this wonderful effort ! Have fun with Aya Expanse on Whatsapp: +14313028498 #mysterybot

Interesting Github Repo An open-source clean & customizable RAG UI for chatting with your documents.

kotaemon github: github.com/Cinnamon/kotae… An open-source clean & customizable RAG UI for chatting with your documents. Built with both end users and developers in mind.

@_akhaliq Thank you sharing our work 🤗

@rohanpaul_ai Thanks for your interest !

@karpathy @obsdmd Obsidian is absolutely great. Obsidian + Syncthing for syncing across devices give me complete control over my notes.

Love letter to @obsdmd to which I very happily switched to for my personal notes. My primary interest in Obsidian is not even for note taking specifically, it is that Obsidian is around the state of the art of a philosophy of software and what it could be. - Your notes are simple plain-text markdown files stored locally on your computer. Obsidian is just UI/UX sugar of pretty rendering and editing files. - Extensive plugins ecosystem and very high composability with any other tools you wish to use because again it's all just plain-text files on your disk. - For a fee to cover server costs, you can also Sync (with end-to-end encryption) and/or Publish your files. Or you can use anything else e.g. GitHub, it's just files go nuts. - There are no attempts to "lock you in", actually as far as I can tell Obsidian is completely free of any user-hostile dark patterns. For some more depth, I recommend the following writing from CEO @kepano: - "File over app" stephango.com/file-over-app . If you want to create digital artifacts that last, they must be files you can control, in formats that are easy to retrieve and read. Accept that all software is ephemeral, and give people ownership over their data. - "100% user-supported" stephango.com/vcware . On incentives alignment. - "Quality software deserves your hard‑earned cash" stephango.com/quality-softwa… TLDR: This is what software could be: private, secure, delightful, free of dark patterns, fully aligned with the user, where you retain full control and ownership of your data in simple, universal formats, and where tools can be extended and composed.