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Zihan

@zhweng.bsky.social
6 followers 6 following 9 posts

PhD Student @mcgill.ca | {Biological,Artificial} Neural Networks

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Pablo Samuel Castro @pcastr.bsky.social · 17/03/2026
New paper 🚨 "Stable Deep Reinforcement Learning via Isotropic Gaussian Representations" Deep RL suffers from unstable training, representation collapse, and neuron dormancy. We show that a simple geometric insight, isotropic Gaussian representations, can fix this. Here's how 👇
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Zihan @zhweng.bsky.social · 01/12/2025
1/9 🚨Thrilled to share "Caption This, Reason That", a #NeurIPS2025 Spotlight! 🔦 Meet us at #2112, 3 Dec 11 a.m. We analyze VLM limitations through the lens of Cognitive Science (Perception, Attention, Memory) and propose a simple "Self-Captioning" method that boosts spatial reasoning by ~18%. 🧵👇
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