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	<title>Comments on: DARPA Challenge Problems</title>
	<atom:link href="http://www.arsmathematica.net/archives/2007/12/26/605/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.arsmathematica.net/archives/2007/12/26/605/</link>
	<description>Dedicated to the mathematical arts.</description>
	<pubDate>Fri, 29 Aug 2008 01:42:50 +0000</pubDate>
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		<title>By: Jacob Freeze</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58102</link>
		<dc:creator>Jacob Freeze</dc:creator>
		<pubDate>Mon, 31 Dec 2007 01:28:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58102</guid>
		<description>"Humble Ben" is visible at http://www.youtube.com/watch?v=7mKyy8y26F8

This board would be a lot more lively if it allowed embedded videos!</description>
		<content:encoded><![CDATA[<p>&#8220;Humble Ben&#8221; is visible at <a href="http://www.youtube.com/watch?v=7mKyy8y26F8" rel="nofollow">http://www.youtube.com/watch?v=7mKyy8y26F8</a></p>
<p>This board would be a lot more lively if it allowed embedded videos!</p>
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	<item>
		<title>By: Jacob Freeze</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58101</link>
		<dc:creator>Jacob Freeze</dc:creator>
		<pubDate>Mon, 31 Dec 2007 01:26:03 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58101</guid>
		<description>Are the giant letters and vellum background of the DARPA questions really as &lt;em&gt;pompous and pretentious&lt;/em&gt;as they appear to be? What do those words mean, anyway?

Let's ask "Humble Ben" Kingsley!


 </description>
		<content:encoded><![CDATA[<p>Are the giant letters and vellum background of the DARPA questions really as <em>pompous and pretentious</em>as they appear to be? What do those words mean, anyway?</p>
<p>Let&#8217;s ask &#8220;Humble Ben&#8221; Kingsley!</p>
]]></content:encoded>
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	<item>
		<title>By: John Baez</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58098</link>
		<dc:creator>John Baez</dc:creator>
		<pubDate>Sun, 30 Dec 2007 17:59:21 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58098</guid>
		<description>For more discussion of these problem choices, try the &lt;a href="http://golem.ph.utexas.edu/category/2007/12/challenges_for_the_future.html" rel="nofollow"&gt;n-Category Cafe&lt;/a&gt;.

You can apply for a &lt;a href="http://www.fbo.gov/spg/ODA/DARPA/CMO/BAA07-68/Attachments.html" rel="nofollow"&gt;grant&lt;/a&gt; to solve one of these problems.</description>
		<content:encoded><![CDATA[<p>For more discussion of these problem choices, try the <a href="http://golem.ph.utexas.edu/category/2007/12/challenges_for_the_future.html" rel="nofollow">n-Category Cafe</a>.</p>
<p>You can apply for a <a href="http://www.fbo.gov/spg/ODA/DARPA/CMO/BAA07-68/Attachments.html" rel="nofollow">grant</a> to solve one of these problems.</p>
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	<item>
		<title>By: John Armstrong</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58096</link>
		<dc:creator>John Armstrong</dc:creator>
		<pubDate>Sun, 30 Dec 2007 05:49:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58096</guid>
		<description>Or it could be for printing out as a booklet.</description>
		<content:encoded><![CDATA[<p>Or it could be for printing out as a booklet.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Walt</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58095</link>
		<dc:creator>Walt</dc:creator>
		<pubDate>Sun, 30 Dec 2007 05:21:10 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58095</guid>
		<description>The only explanation I can think of for the weird format was that it was a Powerpoint presentation converted to PDF.</description>
		<content:encoded><![CDATA[<p>The only explanation I can think of for the weird format was that it was a Powerpoint presentation converted to PDF.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Jacob Freeze</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58090</link>
		<dc:creator>Jacob Freeze</dc:creator>
		<pubDate>Sat, 29 Dec 2007 05:12:34 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58090</guid>
		<description>Since the Goldbach Conjecture is prominently left out of the DARPA list, this is an excellent time to ask a simple question about it and restore a little honor to that grand old problem:

Are all the primes &lt;em&gt;necessary&lt;/em&gt; to satisfy the conjecture? More concretely, is there some proper subset of the primes such that every even number so far tested is the sum of two of them?</description>
		<content:encoded><![CDATA[<p>Since the Goldbach Conjecture is prominently left out of the DARPA list, this is an excellent time to ask a simple question about it and restore a little honor to that grand old problem:</p>
<p>Are all the primes <em>necessary</em> to satisfy the conjecture? More concretely, is there some proper subset of the primes such that every even number so far tested is the sum of two of them?</p>
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	<item>
		<title>By: John Armstrong</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58079</link>
		<dc:creator>John Armstrong</dc:creator>
		<pubDate>Fri, 28 Dec 2007 01:05:56 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58079</guid>
		<description>&lt;p&gt;My favorite is the motivation for number 14:&lt;br /&gt;
&lt;blockquote&gt;&lt;br /&gt;
AN INFORMATION THEORY FOR VIRUS EVOLUTION&lt;/blockquote&gt;&lt;/p&gt;
&lt;p&gt;Why not?&lt;br /&gt;
&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>My favorite is the motivation for number 14:</p>
<blockquote><p>
AN INFORMATION THEORY FOR VIRUS EVOLUTION</p></blockquote>
<p>Why not?</p>
]]></content:encoded>
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	<item>
		<title>By: Isabel</title>
		<link>http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58078</link>
		<dc:creator>Isabel</dc:creator>
		<pubDate>Thu, 27 Dec 2007 22:48:23 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2007/12/26/605/#comment-58078</guid>
		<description>Do they &lt;i&gt;have&lt;/i&gt; to distribute it as a PDF file with one sentence on each page?

It's an interesting list, though.</description>
		<content:encoded><![CDATA[<p>Do they <i>have</i> to distribute it as a PDF file with one sentence on each page?</p>
<p>It&#8217;s an interesting list, though.</p>
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