Archived editions

20 October 2026 · Edition 2026-10-20.1

This edition preserves the public collection, including the essays, mathematical expositions, interactive examples, available editable sources, and retained earlier editions. The research records retain their original arXiv and journal links.

View the dated release on GitHub · Browse the source archive

• Complete website snapshot
• Complete public source
• Individual-work catalogue and citations · File checksums

GitHub records the release publication time and provides immutable release files. Dates of first publication and revision retained in individual works are distinct from the date of this archival edition.

Citing an edition

For an individual work, cite Henry Shin, the work’s title, Tensorgami archival edition 2026-10-20.1, and the archived file linked below. Add a section or page number when referring to a particular argument. The current reading editions remain available through Expositions and Essays.

For the whole collection: Henry Shin, Tensorgami: complete public corpus snapshot, archival edition 2026-10-20.1, GitHub release.

Research papers retain their original authorship, publication status, and arXiv or journal citations. The existing reuse terms apply to the archived material.

Essays

• Mathematical Life in the Age of AI
• When Accountability Stops Being Reciprocal
• The Performance of Depth
• What a New Proof Makes Possible
• When a Description Becomes a Verdict
• The Authority of a Vision

Mathematical expositions and problems

• Fourier, Symmetry, and Reconstruction
• What a Boundary Map Can Prove
• What a Derivative Retains
• A Weighting Argument for Pointwise Convergence to Convergence in Measure
• IBM Ponder This July 2010
• Divisibility of Separated Polynomials
• A Galois-Theoretic and Frobenius-Descent Viewpoint on a Polynomial Composition Law
• Normality, Coherent Extension, Tensor Operations, and Affineness
• Extracting the First Prime Greater than m
• A Note on Disjoint Decompositions of [0,1) into Closed Sets
• Lebesgue's Criterion for Riemann Integrability
• Products Preserve Riemann Integrability
• Selected Problems in Discrete Mathematics and Analysis

Earlier editions

• Mathematical Understanding in the Age of AI — Version 75
• The Culture of Mathematical Judgment — Version 75
• A Tree Is a Discrete Poincaré Lemma — October 2026 (retained predecessor)