Aubrey Clark

CV · GitHub · Google Scholar · Substack

Projects

• communication_systems
  • bgp — BGP finite state machine + path selection
  • tcp_ip_stack — User-space networking (TUN → IPv4 → ICMP → UDP → TCP)
  • tcp_chat — Secure chat (TCP → TLS → E2EE with RSA + AES-GCM)
  • audio_modem — FSK modulation, FFT, CRC — TCP packets as sound through air
  • quic — QUIC from scratch (UDP → reliability → DH → 0-RTT → migration → frames)
  • bbr — Google’s BBR congestion control
  • protobuf — Protocol Buffers wire format (varints → tags → encode/decode)
  • http3 — HTTP/3 on top of QUIC (frames → headers → working client/server)
• open-plan — a folder of markdown files that turns any AI into a financial planner
• constrained_birkhoff_von_neumann — Budish-Che-Kojima-Milgrom algorithm for course allocation
• probabilistic_serial_mechanism — fair random assignment

Research

• Contracts for Acquiring Information — with G. Reggiani, 2017
• Capacity Constraints in Principal-Agent Problems — 2017
• Core Equivalence with Large Agents — 2017

Writing

• The Hidden 5% Tax: True Monetary Debasement in the Post-Bretton Woods Era — March 2026
• Open Plan — February 2026
• Sub-Agent Trees — February 2026

Course notes

• Decision theory notes
• 114 course notes
• Math 114 problem sets

Teaching

• Teaching

Family

• James Clark (1857–1927) — a biography by his son Colin Grant Clark, Brisbane, 1978
• 9 September 1943 — a WWII escape memoir by Gerald Innes Churchill (1913–1993), annotated