# [Existence of Thin Trees | Richard M. Karp Distinguished Lecture](https://wknd.app/r/awk857/existence-of-thin-trees-richard-m-karp-distinguished-lecture)

- When: 2026-12-08 15:30-16:30 (America/Los_Angeles)
- Scarcity: one_day
- Cadence: once
- Where: Calvin Lab Auditorium, Simons Institute, 121 Calvin Lab, Berkeley, CA 94720 (37.87111, -122.25418)
- Ages: all ages
- Category: meetup
- Topics: tech
- About: Shayan Oveis Gharan of the University of Washington gives an overview of a recent proof of Goddyn's thin tree conjecture, a long-standing problem in graph theory with applications to the asymmetric traveling salesperson problem. The proof, produced by OpenAI, uses tools from spectral graph theory. Refreshments are served at 3 p.m. and registration is required for in-person attendance.
- Source: https://simons.berkeley.edu/events/existence-thin-trees-richard-m-karp-distinguished-lecture
- Feed: [Tech talks and hackathons in San Francisco](https://wknd.app/f/kujhnq/tech-talks-and-hackathons-in-san-francisco)

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