The printed book
Saddle Point
Strategy, Information, and the Mathematics of Geopolitics
- Author
- Maksym Nechepurenko
- Imprint
- Axient
- Format
- Hardcover, 6 × 9 in (152 × 229 mm)
- Year
- 2026
What the book does
The book takes the mathematics of strategic interaction and information, from the minimax theorem to the design of decision-support systems, and keeps it accountable to two disciplines at once: every model is stated on a card that says who decides, when, with what information and what commitment; and every number is computed exactly and certified, so that a reader can check it by hand. Thirteen worked cases map contemporary situations onto those models and say where the mapping breaks. Sixteen historical parallaxes read documented episodes between 1755 and 1988 through the same models.
Three evidence marks run through the text: D for a claim with a dated source, R for an argument from the model, S for the author's reading. The marks are reproduced here wherever the site quotes the book.
How this site relates to the book
The site shows excerpts and makes models interactive; it does not contain the book's text or its proofs. Every number an engine shows is computed in exact rational arithmetic in the browser, and the engines' base cases are checked at build time against the book's own results (book revision v0.58-site1-3-g11d4b7f, 61 model cards, 222 statements, 374 bibliography entries). Where the site arranges material in a way the book does not, such as the scientists' timeline or the case networks, the arrangement is the site's and is labelled as a reconstruction.
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