New work: projects, guides, tooling, and research artifacts.https://brandon-behring.dev/https://brandon-behring.dev/work/causal-methods/https://brandon-behring.dev/work/causal-methods/Working through the causal inference literature with implementations in Julia and Python. DoubleML, time-series causal models, instrumental variables.https://dml.brandon-behring.devhttps://dml.brandon-behring.devA LaTeX manuscript + companion code for temporal partially-linear DML, cross-fitting, HAC inference, and synthetic examples. Web edition in progress — Chapter 1 live.https://brandon-behring.dev/work/causal-methods/https://brandon-behring.dev/work/causal-methods/Temporal validation utilities and methodology lineage. Walk-forward splits, purging, embargo windows, and leakage prevention.https://brandon-behring.dev/work/ai-evaluation/https://brandon-behring.dev/work/ai-evaluation/Reusable binary-classification evaluation harness: baseline ladder, bootstrap CIs, calibration, stop-gates against overengineering.https://brandon-behring.dev/work/course-notes/https://brandon-behring.dev/work/course-notes/An online book corpus synthesized from deeplearning.ai short courses (in development — repo public, web deploy pending). Per-course .tex → MDX conversion with an audit-during-conversion quality pass. Searchable, math-rendered, with Anki flashcards.https://brandon-behring.dev/work/future/https://brandon-behring.dev/work/future/RL + Control Theory from fundamentals to convergence. 28-week structured syllabus, Python/JAX/Julia experiments, 135-paper indexed bibliography, 12 method-family dossiers. Companion to ssm-foundations.https://ssm-foundations.brandon-behring.devhttps://ssm-foundations.brandon-behring.dev17-chapter lens-led foundations book bridging numerical analysis and dynamical systems to modern sequence-model architectures (SSMs, Mamba, S4, Hyena, DeltaNet). Successor to a 21-week research-guide effort. Live and in progress — the foundations chapters are authored; the structured-SSM and later chapters are being written.https://brandon-behring.dev/work/publishing-infrastructure/https://brandon-behring.dev/work/publishing-infrastructure/npm-published Astro template for long-form technical books — MDX, Paged.js print, Tufte typography, Pagefind search, KaTeX. The scaffold under every book and guide here.https://brandon-behring.dev/work/publishing-infrastructure/https://brandon-behring.dev/work/publishing-infrastructure/Reusable GitHub Actions workflow for deploying Astro sites to Cloudflare Workers + Static Assets. Every book and guide here pins a tagged version of it.https://brandon-behring.dev/work/publishing-infrastructure/https://brandon-behring.dev/work/publishing-infrastructure/Config-driven RunPod orchestration for reusable GPU project deployments — pod templates and run configs for compute-heavy experiments.https://brandon-behring.dev/work/books-and-guides/https://brandon-behring.dev/work/books-and-guides/Hub repo for a family of interview-prep guides for data science, ML, and AI engineering — destined for guides.brandon-behring.dev.https://brandon-behring.dev/work/books-and-guides/https://brandon-behring.dev/work/books-and-guides/Pilot guide under the guides hub: experimentation methodology — A/B testing, sample size and power, variance reduction, sequential testing.https://brandon-behring.dev/work/books-and-guides/https://brandon-behring.dev/work/books-and-guides/Long-form Astro/MDX book on agentic coding — principles, patterns, and system design for AI-assisted development. Built on book-scaffold-astro.https://brandon-behring.dev/work/pricing-decision-systems/https://brandon-behring.dev/work/pricing-decision-systems/Python library for annuity pricing and valuation — bond math, option Greeks, and Monte Carlo for fixed and variable annuity products.https://brandon-behring.dev/work/pricing-decision-systems/https://brandon-behring.dev/work/pricing-decision-systems/AI/ML toolkit for insurance work — VM-21-style reserve calculation and lapse-rate modeling.https://brandon-behring.dev/work/research-infrastructure/https://brandon-behring.dev/work/research-infrastructure/Hybrid-search research knowledge base — BM25 + vector + citation graph over 478 sources / 236K chunks, exposed via MCP. The system powering the citation-graph demo here.https://brandon-behring.dev/work/research-infrastructure/https://brandon-behring.dev/work/research-infrastructure/LangGraph research agent on top of research-kb — structured synthesis with citation validation.https://brandon-behring.dev/work/research-infrastructure/https://brandon-behring.dev/work/research-infrastructure/Claude Code skills for systematic research workflows — literature review, assumption audits, cross-domain concept mapping — built on research-kb + research-agent.https://brandon-behring.github.io/prompt-injection-detection-prototype/https://brandon-behring.github.io/prompt-injection-detection-prototype/Methodology case study asking whether prompt-injection detectors trained on direct injection still work on attack families they never saw. Paper-shaped, with deployed docs.