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Comment by oldbuzzard | Hacker News Reader

or like math in the old days [1].

Israel Gelfand's stuff is model for enrichment at an upper level. Alexander Zvonkin's "Math from 3 to 7" book published by MSRI could be a model for younger kids.

I think the "new math"materials for the '60s and '70s and the Eastern European materials from a similar period provide a model for education. Unfortunately, they require mathy folks to present and interpret the material.

PS. I'm not criticizing public school teachers. I also feel inadequate. In order to teach DS7, I feel like I should probably work through Herstein's Abstract Algebra. I'll put it on the list... Currently I'm working through Euclid... Next Fall our homeschool will have a geometric focus... after that... who knows.

[1] See http://gcpm.rutgers.edu/books.html ... this was a pale imitation of what Soviet era math circles would offer but is still way beyond anything extant.

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This reminded me of a book that is, I think, an excellent way to teach math to kids: Mathematical Circles: Russian Experience, by Dmitri Fomin, Sergey Genkin, Ilia V. Itenberg (http://www.amazon.com/Mathematical-Circles-Russian-Experienc...)

Your URL is broken -- has extra dots at the end.

Fixed

EDIT 4: The solution: use a dash. 😤

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EDIT 3: Okay, I give up.

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EDIT 2: Wow, okay, so my ZERO WIDTH SPACE was automatically escaped instead of treated as a separator. Anyway, I’m pretty sure the comment system accepts Markdown, so you should be able to use Markdown’s URL syntax to clearly mark which part is the URL without using a space to do the same:

[1] See [http://gcpm.rutgers.edu/books.html](http://gcpm.rutgers.edu/... this was a pale imitation of what Soviet era math circles would offer but is still way beyond anything extant.

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EDIT 1: Scratch that! Looks like as long as there’s no space, it’s still considered a part of the URL regardless! Perhaps using U+200B ZERO WIDTH SPACE would still be considered a valid separator and could be used in place of U+0020 SPACE:

[1] See http://gcpm.rutgers.edu/books.html… this was a pale imitation of what Soviet era math circles would offer but is still way beyond anything extant.

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Just a tip—instead of adding a space after your three periods, you could have used U+2026 HORIZONTAL ELLIPSIS instead, like so:

[1] See http://gcpm.rutgers.edu/books.html… this was a pale imitation of what Soviet era math circles would offer but is still way beyond anything extant.

The HORIZONTAL ELLIPSIS isn’t be interpreted as part of the URL since '…' isn’t a legal character to use in URLs (unless you write it in escaped format (UTF-8 encoding), which would be '%E2%80%A6').

  > Anyway, I’m pretty sure the comment system
  > accepts Markdown, ...

I suspect that's where you're wrong - I suspect the comment system is hand-rolled.

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