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From Computational Complexity

Song of the Complexity Classes

I tweeted the audio of this song last week and here is the video. Recorded at Dagstuhl on October 18th. Written by Fred Green who also plays piano. Performed by...

From Computational Complexity

Short Announcements

With a shout out to the friendly folks attending FOCS this week, some short announcements. Read the STOC CFP before you submit the paper. There are significant...

From Computational Complexity

Dagstuhl Typecast

Nerd Shot from Dagstuhl Seminar 12421 Lance: Welcome to another Typecast from beautiful Schloss Dagstuhl. I’m here with Bill for the Workshop on Algebraic.Bill...

From Computational Complexity

Matching Nobel Prizes

This week Bill and I have traveled to Germany for the Dagstuhl Seminar on Algebraic and Combinatorial Methods in Computational Complexity. Plenty of newly minted...

From Computational Complexity

Why Does College Cost So Much?

When John Hennessey gave his talk on MOOCs at the CRA Snowbird meeting he recommended the book Why Does College Cost So Much? by Robert Archibald and David Feldman...

From Computational Complexity

Close to Genius

The MacArthur Foundation announced their 2012 Fellows, also know as the genius awards. Among the list two names of interest to my readers, Maria Chudnovsky and ...

From Computational Complexity

Things a Complexity Theorist Should Do At Least Once

A few weeks ago, Suresh wrote a post Things a TCSer should have done at least once with the caveat This list is necessarily algorithms-biased. I doubt you'll need...

From Computational Complexity

Poset Games are PSPACE-complete

Consider the following game on a poset, each player takes turns picking an element x of a finite poset and removes all y ≥ x. First one to empty the poset wins....

From Computational Complexity

Theory Conferences Galore

Early registration for the FOCS conference in New Jersey is September 27th. There is some travel support available for students and postdocs, deadline is this Friday...

From Computational Complexity

Max Flow

A couple of weeks ago Suresh tweeted the following result of James Orlin Max flows in O(nm) time or better. jorlin.scripts.mit.edu/Max_flows_in_O… — Suresh Venkat...

From Computational Complexity

The Time of Research

Among the many conference/journal discussions, one systems person said the reason they don't publish in journals is that their work is very dependent on current...

From Computational Complexity

The Net or the Jet

I spent the first half of my life in the jet age but not in the Internet age. I could fly anywhere in the world but the fastest way to get a research paper to another...

From Computational Complexity

Knuth Prize

Leonid Levin will receive the Knuth Prize, and give the corresponding lecture, at FOCS this year. The Knuth Prize is jointly given by ACM SIGACT and the IEEE TC...

From Computational Complexity

Ten Years of the Complexity Blog

On August 22, 2002 I wrote the following immortal words to start this blog This is my complexity web log. I'll be giving random thoughts about computational complexity...

From Computational Complexity

Is the Turing Test Still Interesting?

Besides the Turing machine, Alan Turing also developed what we now call the Turing Test in Turing's seminal 1950 AI paper "Computational Machinery and Intelligenc...

From Computational Complexity

Another Algorithmic Market Failure

In 2009, Matt Cushman, Managing Director at Knight Equity Markets, gave a seminar at Northwestern on "High Frequency Trading". Here is the abstract: High frequency...

From Computational Complexity

MOOCs

I haven't posted in about a month. A combination of traveling, vacation, moving to Atlanta and getting started as chair. I appreciate why Michael Mitzenmacher stopped...

From Computational Complexity

Why is it called the Turing Award?

The ACM Turing Award represents the highest honor in the computing research community, the closest we have to a Nobel prize in computer science. In this centenary...

From Computational Complexity

Instance Compression

Some announcements: FOCS Accepts, ITCS Call and ToC Special Issue for Rajeev Motwani I'd like to highlight one of the new FOCS papers, New Limits to Classical by...

From Computational Complexity

Transitions

On July 1 I officially move jobs from Northwestern to Georgia Tech, a change not just in location but in role as I become a department chair. I'm proud by what...
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