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From Computational Complexity
#### How Not to Pass a Polygraph Test

Many years ago I was asked to serve on an advisory board for an organization that did confidential research. To be on the board I had to have US top secret clearance...

From Computational Complexity
#### Art and Technology

Last weekend I went to one of Chicago's jewels, the Art Institute, and saw the opening of a new exhibit by Berlin-based artist Josephine Pryde entitled The Vibrating...

From Computational Complexity
#### Machine Learning and Complexity

Schloss Dagstuhl by Monet by Dall-E
At Dagstuhl earlier this month, I hung out for a little bit with the participants of the other seminar, Knowledge Graphs....

From Computational Complexity
#### Thirty Years of Dagstuhl

Dagstuhl old-timers at the original castle
I'm back at Dagstuhl for the seminar on Algebraic and Analytic Methods in Computational Complexity. My first seminar...

From Computational Complexity
#### The NIST Process for Post-Quantum Cryptography

Guest post by Jonathan KatzOver the past few months there have been several interesting developments in the NIST post-quantum standardization process.By way ofShor's...

From Computational Complexity
#### 20 Years of the Computational Complexity Weblog

I first posted on this blog twenty years ago today, still the oldest and longest running weblog in theoretical computer science, possibly in all of computer science...

From Computational Complexity
#### Conference Modality

We have had an almost normal summer conference season, for some sense of normal. At one of those conferences I participated in an hybrid conversation about whether...

From Computational Complexity
#### The Godfather of Complexity

Juris Hartmanis 1928-2022
On Friday, August 29th, I was in the immigration line at an airport in Mexico. My phone rang with Bill Gasarch on the Caller ID butan...

From Computational Complexity
#### The Highland Park Shooting

This week I should be celebrating Mark Braverman's Abacus Medal and the Fields Medalists. Instead my mind has been focused 25 miles north of Chicago.Mass shootings...

From Computational Complexity
#### A Gadget for 3-Colorings

Following up on Bill's post earlier this week on counting the number of 3-colorings, Steven Noble emailed us with some updated information. The first proof that...

From Computational Complexity
#### The (R)evolution of Steve Jobs

I don't mention it that often in this blog, but I fell in love with opera in the 90's and watch as much as I can, often fitting opera into my travels or vice-versa...

From Computational Complexity
#### Masks

Illinois Tech removed the last of their mandatory masking restrictions yesterday. Chicago had zero Covid deaths. Yet I still get messages like this in my twitter...

From Computational Complexity
#### The War and Math

During the early parts of the cold war of the 20th century, we saw two almost independent developments of computational complexity, in the west and in the thenJuris...

From Computational Complexity
#### Belated happy 80th, Allan Borodin!

Guest Post by Aravind Srinivasan
Allan Borodin turned 80 in 2021. This post is to belatedly wish him a very happy 80th, and to give a short personal perspective...

From Computational Complexity
#### A Book Break

I got the writing bug back while working on my recent CACM article and I'd like to try my hand at another book. Not sure the exact topic but something related to...

From Computational Complexity
#### The Beginnings of Zero-Knowledge

Wired runs this video series where topic expert explain concepts to five levels of difficulty, typically a child, teen, undergrad, grad student and expert. UCLA...

From Computational Complexity
#### A Failure to Communicate

The screenwriter Aaron Sorkin wrote an article on prioritizing "Truth over Accuracy". He tells stories from his movies The Social Network and Being the Ricardos...

From Computational Complexity
#### On the California Math Framework

Guest post by Boaz Barak
and Jelani Nelson
In a recent
post, Lance Fortnow critiqued our open letter on the
proposed revisions for the California Mathematics Framework...

From Computational Complexity
#### Complexity Year in Review 2021

The pandemic hampered many activities but research flourished with a number of great results in complexity. Result of the year goes toLocally Testable Codes with...

From Computational Complexity
#### Fifty Years of P vs. NP and the Possibility of the Impossible

I have a new article Fifty Years of P vs. NP and the Possibility of the Impossible, to mark the 1971 publications of Steve Cook's seminal paper, a month too late...