All on the Line · Series

The mathematics of financial systems

The foundational sequence. An attempt to build a more precise language for how financial systems actually behave, piece by piece: about distributions that don’t converge, about optimization problems that resist exact solutions, about the traps that appear when a system keeps improving toward the nearest peak while a better one sits out of reach, and about what a check can and cannot establish.

12 essays · February to September 2026