Quantum Algorithms: Blog Market

Tuesday, February 15, 2005

Blog Market
My collection of links on the right isn't very complete, but I had no idea how much was riding on it until I discovered Blog Shares, a stock market for blogs. Someone named Javier López actually owns 75% of the shares of this very blog, although I'm sure he'll eventually regret the purchase if he doesn't already. David Bacon own 20% of his own Quantum Pontiff blog, which is about to experience a modest increase in (virtual) valuation, thanks to the extremely overdue link I finally added. I wonder if blogshare money will ever have real world value. (If it sounds implausible, see EverQuest).

Some quantum or CS type blogs, and their valuations [Updated Feb-16, thanks Suresh]:
Computational Complexity Web Log: $12,029.76
Michael Nielson: $5,845.59
The Quantum Pontiff: $3,849.21
Quantum Algorithms: $3,816.68
Illuminating Science: $3,313.81
Quantum Bits: $2,709.12
Quantized Espresso: $1,664.65
- posted by Jonathan @ 10:55 PM

Comments:

lance changed his blog URL. if you go to blogshares and look for the old URL, you will find an appropriately higher valuation (roughly $12000)

# posted by

Suresh : February 16, 2005 2:13 AM

Hey. Since you run a quantum algorithms blog, I was wondering if you could take some time to explain - in layman's turns - how quantum algorithms work.

As I understand it, a quantum computer is able to test many cases in parallel... and I have heard that this leads to NP and possibly harder problems being easily solved in polynomial time.

Is this a misunderstanding on my part? Wouldn't this show that P = NP (I can accept that maybe it can be true without showing this, if it can be explained)?

How does it work?

# posted by

Higher Pi : February 18, 2005 10:38 AM

I meant to add that I actually found you through Blogshares :D

# posted by

Higher Pi : February 18, 2005 10:38 AM

More... (sorry)...
given that the way Blogshare calculates the value of a blog is ostensibly similar to Google's PageRankings, Blogshare valuations are already quite valuable in practice - through coveted high Google links.
In practice I am not sure how similar Google's and Blogshare's rankings are, but they are somewhat related by algorithm.

# posted by

Higher Pi : February 18, 2005 11:15 AM

"I have heard that this leads to NP and possibly harder problems being easily solved in polynomial time."Algorithms have been developed that can solve certain NP problems in polynomial time on a quantum computer, but no one has come up with a quantum algorithm solving an NP-complete problem in polynomial time, and it remains an open question if it's possible or not.

"Wouldn't this show that P = NP"No...the class of problems that a quantum computer can solve in polynomial time is called "BQP": bounded error, quantum, polynomial time. So even if you showed that BQP = NP, it still would not imply that P = NP. However, if you proved that QBP != NP, then that would imply P != NP, since BQP contains P.

Take a look at:
http://en.wikipedia.org/wiki/Quantum_computer
http://en.wikipedia.org/wiki/BQP
http://www.cs.caltech.edu/~westside/quantum-intro.html

# posted by

Jonathan : February 18, 2005 1:40 PM

Thanks for the info :)

# posted by

Higher Pi : February 18, 2005 6:19 PM

This comment has been removed by a blog administrator.

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Dimitar Vesselinov : March 11, 2005 10:38 AM

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