~/talk

Compressing the Library of Babel!

Talkat !!Con 2018 · 2018-05-12..05-13· [databases]
slides:none on file

Explains why a compressor cannot shrink the Library of Babel: using pigeonhole principle to show some books must expand, and using a tiny program-plus-runforever decompressor to invoke Kolmogorov complexity so compressed size is the decompressor size. Demos and numbers: gzip gives ~3:1 on Wikipedia, gzip2 ~4:1, the best listed PhD a9 beats that a bit. Mentions zip bombs, missing-page bitmap tradeoffs, and the Hutter Prize as a concrete 50k€ incentive.

AI-written summary · about

  1. 0:00Start
  2. 0:14The Library Of Babel by Jorge Luis Borges
  3. 0:27All possible books
  4. 2:35If you have 101 pigeons, and 100 holes, two pigeons will share a hole
  5. 3:19Kolmogorov Complexity or "descriptive complexity"
  6. 4:31Representing missing data
  7. 5:19Page bitmap
  8. 6:02The Real Library of Babel
  9. 6:13Compressing Wikipedia
  10. 8:19Borges's Objection
  11. 9:02Recording and Production Confreaks
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