Jottings

All Jottings

Notes, essays, and research sketches.

2026

March 12, 2026 · 35 min read

Diffusion Policy + RL: An Underrated Insight

Why diffusion policies fine-tuned with reinforcement learning work better than expected, through the lens of structured exploration, on-manifold search, and the geometry behind DPPO.

2025

May 08, 2025 · 12 min read

My CS Learning and Workflow: Harnessing LLMs, Obsidian, and Zotero

In the fast-evolving field of Computer Science, continuous learning is the norm. Daily work and study expose us to information from diverse, fragmented sources: hundreds of pages of official documentation, concise technical blog posts, industry news scrolled on...