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I talked with [Ivar Ekeland][1], the author of *The Cat in Numberland*. I am happy to share that Ivar is planning to send the Cat on another adventure! ![alt text][2] Moby: *If you could have the many fans and devoted readers of your book answer one question for you, thoughtfully and honestly, what would the question be?* Ivar: *Where should the Cat go next?* Ivar is thinking about some adventures with chaos and complexity. **Where do YOU want to send the Cat?** [1]:
https://www.ceremade.dauphine.fr/~ekeland/ [2]: /storage/temp/23-thecatinnumberland_260x420.jpg

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MariaDroujkova

**Answer** by berniedekoven
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Jun 16, 2013 at 08:59 AM

I haven't seen the book, but I love the question. Please read any of my responses in that light. Wanting to play, but not knowing the game yet. I like 4Dland - kind of one giant leap past flatland

**Answer** by Malke
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Jun 16, 2013 at 08:08 AM

I asked my 8yo who is a HUGE fan of the first book. She said: - "On a trip around the world to find different kinds of money and sort it!" - "Sorting and adding all the cats without all the numbers in the infinity hotel to be there." I love how what sprung to mind was sorting -- she was listening in on conversations about a new project the other day which involved variables/attributes, and sorting was a big part of what we talked about. :-)

**Answer** by Alexander Bogomolny
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Jun 16, 2013 at 07:48 AM

Pascal triangle by trema removal, eating at the shrinking foothold, is a way to go. Or making the Cat follow the chaos game. And then linking the two via modular arithmetic

**Answer** by MariaDroujkova , Make math your own, to make your own math
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Jun 16, 2013 at 06:49 AM

This is a summary of answers from other places where Moby posted the question. **[Living Math][1] Forum** Julia "Dr.Mom Who Homeschools": *How about the complexity of snowflakes? Avalanches? Antarctica?* Stephanie "Cherishing My Days": *I love farms. I think the Cat should go to an orchard. I can picture fruit on endless trees...:)* Julie "Living Math": *How about a trip around the world? Something like Flat Stanley?* **[Moebius Noodles][2] Facebook page** - Priscilla Sanstead: *How about "Shapes-ville"?* - Maria: *The Cat in Numberland is about countable infinity. We are searching for advanced topics... Maybe 4d shapes?* - Priscilla: *Yes, that sounds good. I'm a visual person and thing of shapes even if numbers are mentioned. I guess I think of shapes no matter what is mentioned.* - Maria: *The more I think of shapes in the name, the more I like the idea. Chaos theory (Ivar's field) is very visual... At least for a branch of differential equations!* Vijay Krishan: *The cat must try following the even numbers as the odd ones would certainly try and out"number"them.* ![alt text][3] [1]:
http://www.livingmath.net/ [2]:
https://www.facebook.com/moebiusnoodles [3]: /storage/temp/35-bogdanov_takens_bifurcation.png

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**Answer** by Krissie
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May 30, 2013 at 03:03 PM

How exciting! Hmmmmm - the huge crystals cave in Mexico:
http://en.wikipedia.org/wiki/Cave_of_the_Crystals Thanks! Krissie

**Answer** by Dani
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May 28, 2013 at 10:25 PM

I would send the cat to for a vacation to [Hotel Infinity][1] [1]:
http://www.c3.lanl.gov/mega-math/workbk/infinity/infinity.html

"The Cat comes back" - ? There story of hotel can continue where the first book stopped...

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