[seqfan] Re: floretion video / A108618

[Alonso Del Arte]

Both the combinatorial tree growth and the Catalan structure morphs sound
like excellent ideas for videos. Perhaps Blender could do something like
that. To draw it in Photoshop (which is what I used for the Ulam spiral
video) would probably be too laborious.

Al

On Fri, Nov 13, 2009 at 12:52 PM, Antti Karttunen <antti.karttunen at gmail.com
> wrote:

> On Thu, Nov 12, 2009 at 9:21 AM, <seqfan-request at list.seqfan.eu> wrote:
>
> >
> >
> > Message: 8
> > Date: Wed, 11 Nov 2009 23:19:20 -0500
> > From: Alonso Del Arte <alonso.delarte at gmail.com>
> > Subject: [seqfan] Re: floretion video / A108618
> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> > Message-ID:
> >        <3cce05d60911112019v73bf528bv909e0e14b3573bbf at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Well, Creighton, more people will watch it that way. Only three people
> > showed up to the screening.
>
>
> Well, maybe you don't have students that are enlightened/freak enough?
> I like Creighton's video a lot, especially the dramatic music together
> with a deep dive into the weirdness of all that platonic world.
> BTW, How was that "jellyfish"-part made, at about the middle of video?
>
> And I liked also your Ulam primes spiral video. Please keep on doing these,
> both of you!
>
> Moreover, is there a more high-res version of the floretion video than
> what is at Youtube: http://www.youtube.com/watch?v=GKL4Lkw-rU0
> ???
>
> And what would be the best tool for doing a video with combinatorial trees
> growing, branch by branch? Or various manifestations of Catalan structures
> morphing into
> each other?
>
>
> Yours,
>
> Antti
>
>
>
> > It was a worse attendance than my least-attended
> > string quartet concert, and that was in January at 11 AM with snow and
> wind
> > outside. The fault lies with me. I'm so stressed out over my failure to
> get
> > a corporate sponsor for the Tiger Stadium memorial concert CD that I
> barely
> > advertised this screening. At least the three people in Audience liked
> your
> > film, better in fact than the Mandelbrot zooms (which one of them had
> > already seen before anyway).
> >
> > Still, I am very grateful that you gave me this opportunity to show it.
> >
> > Al
> >
> > On Wed, Nov 11, 2009 at 4:36 AM, Creighton Kenneth Dement <
> > creighton.k.dement at mail.uni-oldenburg.de> wrote:
> >
> > > Dear Seqfans,
> > >
> > > I uploaded a copy of the video here
> > > http://www.youtube.com/watch?v=GKL4Lkw-rU0
> > >
> > > I wrote a python script to allow users to see the 2D/3D curves for
> > > themselves using the (excellent) freeware software Blender. See (or ask
> > me
> > > and I will try to help)
> > >
> > >
> >
> http://wiki.blender.org/index.php/Extensions:Py/Scripts/Manual/Misc/Import_Floretions
> > >
> > > I would also like to take the opportunity to thank Benoit Jubin. I'm no
> > > expert on Group Theory, but my jaw dropped to the floor when he wrote
> > that
> > > he'd found a new way to formulate the "Gerald's diamonds" sequence
> > A108618
> > > (see comment there). That sequence has always been one of my favorites
> > > because:
> > >
> > > - it only references quaternions (the algebra of the quaternions is
> > > contained in the floretion algebra)
> > >
> > > - it is very simple and trying to make it simpler will probably result
> in
> > > a sequence which satisfies a linear recurrence relation (likely 4th
> order
> > > or less).
> > >
> > > - it is the basic idea behind all the other algorithms which generate
> the
> > > "life-like" pictures, music etc.
> > >
> > >
> > > Sincerely,
> > > Creighton
> > >
> > >
>
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