An archived 2018 course on applied category theory from the University of California, Riverside, has resurfaced on Hacker News, garnering modest attention with 3 points and no comments so far. The course, hosted on a university mathematics department page, aims to introduce the mathematical theory of categories to a broader audience.
Category theory, often described as the "mathematics of mathematics," provides a high-level framework for analyzing structures and relationships across disciplines. Its applied variant focuses on real-world uses, from programming language design to systems biology, making it relevant beyond pure math.
The course materials, posted by mathematician John Baez, include lecture notes and exercises. While the page shows no detailed visitor analytics, its reappearance on a tech-focused forum suggests ongoing curiosity about formal methods among engineers and scientists.
For now, the course remains an archival resource; no updates or new sessions are planned. Enthusiasts may use it for self-study, but the lack of interactive components limits engagement compared to modern MOOCs.
Some mathematicians argue that category theory's abstraction can be a barrier for beginners, and its practical benefits remain debated in applied fields like software engineering.