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Original Usenet message from alt.ascii-art, 19 Sep 2001.
Re: Mike Throll 5

Re: Mike Throll 5

Ilmari Karonen <ilt...@sci.invalid> wrote:
: In article <3ba...@News.CIS.DFN.DE>, Timofei Shatrov wrote:
:>On 17 Sep 2001 17:38:49 GMT, uncle monty <unc...@babyfishmouth.org> tried to
:>confuse everyone with this message:
:>
:>>Given an initial separation of the plane RxR into a subset A and not-A,
:>>and an iterative process which at each step assigns membership in A to
:>>each point outside A whose circular neighbourhood of radius 1 has a
:>>greater intersection with A than with not-A, and removes each point
:>>previously within A whose circular neighbourhood of radius 1 has a greater
:>>intersection with not-A than with A, is it possible to choose initial A
:>>such that its area will increase by a factor of 1000 or more during the
:>>process?

:>>I imagine it is some 
:>>impossible fractal shape to begin with.
:>
:>No way. It's not very complicated. Just try to invent blot that can increase and
:>then magic word "asymptotics".


Well, I found a blot that can increase, but not a thousand-fold... take a 
very large "sheet" of ink and punch holes in it, with diameter slightly 
less than 1/sqrt(2pi)... unless they are spaced too close together they 
will all be filled after one generation, while only the outer edge of the 
whole sheet will have started degrading... am I on the right track?

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From: uncle monty <unc...@babyfishmouth.com>
Newsgroups: alt.ascii-art
Subject: Re: Mike Throll 5
Date: 19 Sep 2001 15:10:55 GMT
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