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From Computational Complexity
#### Random Storm Thoughts

It's Monday as I write this post from home. Atlanta, for the first time ever, is in a tropical storm warning. Georgia Tech is closed today and tomorrow. I'm just...

From Computational Complexity
#### Rules and Exceptions

As a mathematician nothing grates me more than the expression "The exception that proves the rule". Either we bake the exception into the rule (all primes are odd...

From Computational Complexity
#### NOT So Powerful

A monotone circuit has only AND and OR gates, no NOT gates. Monotone circuits can only produce monotone functions like clique or perfect matching, where addingFavorite...

From Computational Complexity
#### Kurtz-Fest

Stuart Kurtz turned 60 last October and his former students John Rogers and Stephen Fenner organized a celebration in his honor earlier this week at Fenner's...

From Computational Complexity
#### The Crystal Blogaversity

A joint post from Lance and Bill
This blog started fifteen years ago today as "My Computational Complexity Web Log". Bill came on permanently in 2007 after Lance...

From Computational Complexity
#### The World is Not for Me

I wanted to address diversity after the Google memo controversy but that shouldn't come from an old white man. I asked my daughter Molly, a college student trying...

From Computational Complexity
#### Wearable Tech and Attention

Remember the Bluetooth craze where it seemed half of all people walked around with a headset in their ear. Now you rarely do.
Remember Google Glass. That didn't...

From Computational Complexity
#### What Makes a Great Definition

Too often we see bad definitions, a convoluted mess carefully crafted to make a theorem true. A student asked me though what makes for a great definition in theoretical...

From Computational Complexity
#### Peter Wegner (1932-2017)

Peter Wegner passed away yesterday morning at the age of 84. As a child he escaped Stalinist Russia and Nazi-occupied Austria the latter via the Kindertransport...

From Computational Complexity
#### Lessons from Norway

For the last two weeks, the wife and I took a vacation to beautiful Norway to see the fjords and the North Cape, effectively the northernmost point in Europe. It...

From Computational Complexity
#### The Complexity of Rubik's Cube

In my book I use Rubik's Cube as an example of a puzzle we can computationally solve efficiently (as opposed to Sudoku or Rush Hour). How does this square with...

From Computational Complexity
#### 50 Years of the Turing Award

The ACM knows how to throw a party, a two-day celebration of the 50th anniversary of the Turing Award. Every recipient got a deck of Turing Award playing cards...

From Computational Complexity
#### Best. STOC. Ever.

The Panel on TCS: The Next Decade
Last week I attended STOC as its first new TheoryFest in Montreal. Pretty much everything about TheoryFest went extremely...

From Computational Complexity
#### Joan Clarke (1917-1996)

I'm in San Francisco for the ACM conference celebrating 50 years of the Turing Award. I'll post on STOC and the Turing award celebration next week. Today though...

From Computational Complexity
#### The Power of Economic Inefficiency

I grew up in a time when long distance domestic phone calls from AT&T costed $0.20/minute off peak ($1.30 in today's dollars). I also grew up close to AT&T Bell...

From Computational Complexity
#### Theory Jobs 2017

In the fall we point to theory jobs, in the spring we see who got them. Like last year and years past I created a fully editable Google Spreadsheet to crowd source...

From Computational Complexity
#### Who Sets Policy?

In April the New York Times Magazine ran an article Is it O.K. to Tinker with the Environment to Fight Climate Change? The article asks about the ethics of even...

From Computational Complexity
#### Graduation from the Other Side

I've attended many graduations in my time, mostly as faculty, a couple of times as a student or a brother. This last weekend I attended my first university...

From Computational Complexity
#### The Optimizers

Last week the Georgia Tech School of Industrial and Systems Engineering honored the 80th birthday of George Nemhauser and the 70th of Arkadi Nemirovski at an...

From Computational Complexity
#### William Tutte (1917-2002)

Today we celebrate our mothers of course, but also the 100th anniversary of the birth of Bill Tutte, best known for his role in decrypting the Lorenz cipher used...