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	<title>Comments on: Sierpinski carpet</title>
	<atom:link href="http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/</link>
	<description>Dedicated to the mathematical arts.</description>
	<pubDate>Wed, 20 Aug 2008 07:13:39 +0000</pubDate>
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		<title>By: Jonathan Vos Post</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59641</link>
		<dc:creator>Jonathan Vos Post</dc:creator>
		<pubDate>Thu, 10 Apr 2008 16:16:23 +0000</pubDate>
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		<description>Sierpinski Cookies

http://www.evilmadscientist.com/article.php/fractalcookies</description>
		<content:encoded><![CDATA[<p>Sierpinski Cookies</p>
<p><a href="http://www.evilmadscientist.com/article.php/fractalcookies" rel="nofollow">http://www.evilmadscientist.com/article.php/fractalcookies</a></p>
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		<title>By: Peter</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59632</link>
		<dc:creator>Peter</dc:creator>
		<pubDate>Wed, 09 Apr 2008 11:42:56 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59632</guid>
		<description>&lt;i&gt;"dominant metaphor for mathematics, from mathematics as mechanics to mathematics as computer program."&lt;/i&gt;

. . . just when the dominant paradigm for computing itself is changing from computing as information processing to computing as social interaction.  See:

http://www.agentlink.org/roadmap/</description>
		<content:encoded><![CDATA[<p><i>&#8220;dominant metaphor for mathematics, from mathematics as mechanics to mathematics as computer program.&#8221;</i></p>
<p>. . . just when the dominant paradigm for computing itself is changing from computing as information processing to computing as social interaction.  See:</p>
<p><a href="http://www.agentlink.org/roadmap/" rel="nofollow">http://www.agentlink.org/roadmap/</a></p>
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	<item>
		<title>By: Jonathan Vos Post</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59622</link>
		<dc:creator>Jonathan Vos Post</dc:creator>
		<pubDate>Mon, 07 Apr 2008 00:52:18 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59622</guid>
		<description>arXiv:0804.0517 
    Title: Singular integrals on Sierpinski gaskets
    Authors: Vasilis Chousionis
    Subjects: Functional Analysis (math.FA); Classical Analysis and ODEs (math.CA)

    We construct a class of singular integral operators associated with homogeneous Calder\'{o}n-Zygmund standard kernels on $d$-dimensional, $d </description>
		<content:encoded><![CDATA[<p>arXiv:0804.0517<br />
    Title: Singular integrals on Sierpinski gaskets<br />
    Authors: Vasilis Chousionis<br />
    Subjects: Functional Analysis (math.FA); Classical Analysis and ODEs (math.CA)</p>
<p>    We construct a class of singular integral operators associated with homogeneous Calder\&#8217;{o}n-Zygmund standard kernels on $d$-dimensional, $d</p>
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		<title>By: Walt</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59611</link>
		<dc:creator>Walt</dc:creator>
		<pubDate>Sat, 05 Apr 2008 18:27:41 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59611</guid>
		<description>Mad Patter: That's true, but it's also true for a straight line on the plane, so I wouldn't hold it against the Sierpinski carpet too much.reCAPTCHA WP Error:incorrect-captcha-sol</description>
		<content:encoded><![CDATA[<p>Mad Patter: That&#8217;s true, but it&#8217;s also true for a straight line on the plane, so I wouldn&#8217;t hold it against the Sierpinski carpet too much.reCAPTCHA WP Error:incorrect-captcha-sol</p>
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		<title>By: Jacob Freeze</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59610</link>
		<dc:creator>Jacob Freeze</dc:creator>
		<pubDate>Sat, 05 Apr 2008 18:22:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59610</guid>
		<description>What is all that captcha junk at the end of my post?</description>
		<content:encoded><![CDATA[<p>What is all that captcha junk at the end of my post?</p>
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		<title>By: Jacob Freeze</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59609</link>
		<dc:creator>Jacob Freeze</dc:creator>
		<pubDate>Sat, 05 Apr 2008 18:21:08 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59609</guid>
		<description>Bill: The "captcha junk" at the end of your post was a miniature &lt;a href="http://en.wikipedia.org/wiki/Turing_test" rel="nofollow"&gt;Turing test,&lt;/a&gt; asking you to "prove you're a human being."

When you failed, you were (temporarily but officially) not human. How did it feel?

Was it a "blooming, buzzing confusion," or just a blank?reCAPTCHA WP Error:incorrect-captcha-sol</description>
		<content:encoded><![CDATA[<p>Bill: The &#8220;captcha junk&#8221; at the end of your post was a miniature <a href="http://en.wikipedia.org/wiki/Turing_test" rel="nofollow">Turing test,</a> asking you to &#8220;prove you&#8217;re a human being.&#8221;</p>
<p>When you failed, you were (temporarily but officially) not human. How did it feel?</p>
<p>Was it a &#8220;blooming, buzzing confusion,&#8221; or just a blank?reCAPTCHA WP Error:incorrect-captcha-sol</p>
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		<title>By: Bill Maier</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59598</link>
		<dc:creator>Bill Maier</dc:creator>
		<pubDate>Fri, 04 Apr 2008 20:58:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59598</guid>
		<description>I see now - need to fill in the anti-spam text.</description>
		<content:encoded><![CDATA[<p>I see now - need to fill in the anti-spam text.</p>
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		<title>By: Bill Maier</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59597</link>
		<dc:creator>Bill Maier</dc:creator>
		<pubDate>Fri, 04 Apr 2008 20:56:33 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59597</guid>
		<description>&lt;p&gt;What is all that "captcha" junk at the end of my post?&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>What is all that &#8220;captcha&#8221; junk at the end of my post?</p>
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		<title>By: Bill Maier</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59596</link>
		<dc:creator>Bill Maier</dc:creator>
		<pubDate>Fri, 04 Apr 2008 20:55:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59596</guid>
		<description>&lt;p&gt;The carpet has an infinite level of detail, which of course the computer can't handle. So the program produces something that is good enough for an engineer, but not for a mathematician.&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>The carpet has an infinite level of detail, which of course the computer can&#8217;t handle. So the program produces something that is good enough for an engineer, but not for a mathematician.</p>
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		<title>By: Mad Patter</title>
		<link>http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59591</link>
		<dc:creator>Mad Patter</dc:creator>
		<pubDate>Fri, 04 Apr 2008 18:33:53 +0000</pubDate>
		<guid isPermaLink="false">http://www.arsmathematica.net/archives/2008/04/03/sierpinski-carpet/#comment-59591</guid>
		<description>Of course, the algorithm for determing whether a point is in the Sierpinski carpet can only tell you definitively that a point is *not* in it.  If the point IS in the carpet, the algorithm never halts.  It's not clear to me whether that makes it a good description or not.</description>
		<content:encoded><![CDATA[<p>Of course, the algorithm for determing whether a point is in the Sierpinski carpet can only tell you definitively that a point is *not* in it.  If the point IS in the carpet, the algorithm never halts.  It&#8217;s not clear to me whether that makes it a good description or not.</p>
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