Learning as Approximation
A learning note on the shared correction pattern behind gradient descent, temporal difference learning, stochastic approximation, and Bellman fixed-point methods.
AIReinforcement LearningOptimizationStochastic Approximation
Blog
Longer-form essays and reflections: where ideas have settled enough to be argued.
My Personal AI Workbench: How I Split Work Between Codex, Hermes, Obsidian, and CC Switch
A concrete design note on my personal AI workbench: owners, state flows, cron maintenance, instruction boundaries, and a Karpathy-style Obsidian second brain adapted for daily work.
AI WorkflowMulti-Agent SystemPersonal Knowledge ManagementObsidian
From Words to Attention: How I Learned to See Transformers
A short learning note on how word representations led to attention, self-attention, and Transformers.
AITransformerAttentionNLP
Self-Hosted AI Gateway for Unified LLM Access
A practical system note on routing scattered LLM API keys through a self-hosted New API gateway, then exposing that gateway across devices with Tailscale.
AI GatewayLLMAPI ManagementTailscale
OpenCode as an Early Multi-Agent Workbench
A historical note on what my OpenCode setup taught me about agent roles, permission boundaries, protocol interfaces, and cross-platform configuration.
OpenCodeMulti-Agent SystemAI WorkflowMCP
Abstraction of Data Types: From Interfaces to Algebraic Data Types
A long-form learning note on data abstraction, from Java interfaces and C++ concepts to TypeScript unions, Kotlin sealed hierarchies, and Haskell algebraic data types.
Programming LanguagesType SystemsSoftware DesignType Theory
Integrating Development Environments Between NixOS and macOS
A historical note on how I used Nix, Home Manager, and modular configuration to keep a NixOS desktop and macOS laptop aligned.
NixCross-Platform
Why This Site Exists
A short note on why I keep a public research notebook instead of treating writing, notes, and project traces as separate scraps.
Personal Knowledge ManagementAI WorkflowMathematicsLinguistics