Tim Roughgarden's Avatar

Tim Roughgarden

@timroughgarden.bsky.social

Columbia CS professor. Head of Research at a16z crypto. Research on algorithms, game theory, mechanism design, blockchains/web3. Author of Algorithms Illuminated, Twenty Lectures on Algorithmic Game Theory, and Beyond the Worst-Case Analysis of Algorithms.

466 Followers  |  87 Following  |  7 Posts  |  Joined: 23.11.2024  |  1.5918

Latest posts by timroughgarden.bsky.social on Bluesky

Post image

Check out the latest edition of the EATCS Bulletin, featuring @timroughgarden.bsky.social on how he built one of the most successful TCS YouTube channelsβ€”with over 1 million views.

The other articles are also very exciting. Have a look!

www.eatcs.org/images/bulle...

30.06.2025 06:39 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

This seminar by @timroughgarden.bsky.social is today!

29.05.2025 12:48 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Post image

Tim Roughgarden (a16z crypto and Columbia) is giving a seminar on Thursday, 29 May 2025: "Shill-Proof Auctions" (with Andrew Komo and Scott Kominers). Guest panellists: Marek Pycia and Zhou Yu. @timroughgarden.bsky.social @skominers.bsky.social

23.05.2025 08:44 β€” πŸ‘ 7    πŸ” 2    πŸ’¬ 0    πŸ“Œ 2
Mental Models for Blockchain Protocols and Web3
YouTube video by Tim Roughgarden Lectures Mental Models for Blockchain Protocols and Web3

Start here: m.youtube.com/watch?v=wiMp...

10.02.2025 20:55 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 1
Tim Roughgarden's Courses

See the old CS364A websites linked here: timroughgarden.org/teaching.html

10.02.2025 20:32 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

πŸ™πŸ™πŸ™
See also full set of video lectures at m.youtube.com/playlist?lis...

09.02.2025 16:09 β€” πŸ‘ 38    πŸ” 5    πŸ’¬ 1    πŸ“Œ 1

EC 2025 will be held at Stanford from July 7-12. Itai Ashlagi and I are the chairs. The abstract deadline is February 3, and the paper deadline is February 10. The scope is inclusive of many topics across CS, economics, and operations research. Submit your best work!

30.12.2024 20:37 β€” πŸ‘ 39    πŸ” 20    πŸ’¬ 1    πŸ“Œ 1

microfoundations for the price of anarchy πŸ”₯πŸ”₯πŸ”₯

17.12.2024 19:01 β€” πŸ‘ 5    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Mental Models for Blockchain Protocols and Web3
YouTube video by Tim Roughgarden Lectures Mental Models for Blockchain Protocols and Web3

Good lecture explaining the value prop of blockchains/web3 for a non-technical but technically curious audience from @timroughgarden.bsky.social
www.youtube.com/watch?v=wiMp...

12.12.2024 02:07 β€” πŸ‘ 5    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Preview
EC 2024 Tutorials - YouTube Tutorials from the 25th ACM Conference on Economics and Computation (EC'24), New Haven, CT, June 25–27, 2020.

I'm so happy the excellent EC tutorials are available online:
www.youtube.com/playlist?lis...

Thanks Laura Doval for taking the lead on this (also thanks @yannaigonch.bsky.social and whoever was involved from @acmsigecom.bsky.social).

11.12.2024 07:14 β€” πŸ‘ 22    πŸ” 11    πŸ’¬ 1    πŸ“Œ 1

All videos of #ACMEC24 workshops are now online on the @acmsigecom.bsky.social YouTube channel:

www.youtube.com/playlist?lis...

Thank you @yannaigonch.bsky.social

10.12.2024 14:51 β€” πŸ‘ 15    πŸ” 5    πŸ’¬ 0    πŸ“Œ 0

A thank-you email from a Chinese stutent for Algorithms Illuminated translated in part as "your book is my learning algorithm prairie fire"

Not sure what the "correct" translation should be but it can't be any cooler than that

01.12.2024 17:47 β€” πŸ‘ 9    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
Post image

just remembered that one time when Bernard Chazelle proved that, unlike 99.9999% of humans, birds totally understand the Ackermann hierarchy arxiv.org/pdf/0905.4241

29.11.2024 14:17 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Preview
Beyond Worst-Case Analysis In the worst-case analysis of algorithms, the overall performance of an algorithm is summarized by its worst performance on any input. This approach has countless success stories, but there are also i...

Check out Tim Roughgarden's (@timroughgarden.bsky.social ) survey here: arxiv.org/abs/1806.09817 and accompanying book: www.cambridge.org/core/books/b... These are a good guide to the variety of ways folks have thought about these questions.

27.11.2024 01:43 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

What are the most conceptually satisfying and/or generally accepted mathematical explanations to date of the unreasonably good generalization properties of overparameterized models?

25.11.2024 11:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

@timroughgarden is following 20 prominent accounts