Observed arrival · 2026-09-24

Neckpinch: learning Ricci flow in public

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A self-taught learner’s public notebook on the mathematics behind Perelman’s proof, with a reading path, daily journal, events, and an index of research papers.

Landing page captured for the 2026-09-24 issue.

For: Readers following Ricci flow and geometric topology
Worth noticing: Its paper index lists 500 items across 35 topics, with links for PDFs, abstracts, and BibTeX.

Field notes

The paper index groups current entries under topics such as Ricci solitons, Einstein metrics, and Kähler geometry, and exposes PDF, abstract, and BibTeX links. A Concepts section introduces Perelman’s 𝓕-functional, while the homepage uses curve-shortening flow to illustrate the broader geometric idea. The displayed journal entry is dated September 23, 2026; the page also lists an upcoming Banff meeting for April 2027.

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