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nickhar.wordpress.com | ||
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algorithmsoup.wordpress.com
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| | | | | This is part of a new sequence of posts titled, My favorite example of: $latex {x}&fg=000000$, for different values of $latex {x}&fg=000000$. Today, $latex {x}&fg=000000$ is the pigeonhole principle. The Erdös-Szekeres Theorem: Consider any sequence of $latex {n}&fg=000000$ distinct numbers. There must exist a subsequence $latex {S}&fg=000000$ of $latex {\sqrt{n}}&fg=000000$ numbers such that $latex {S}&fg=000000$... | |
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www.ethanepperly.com
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jmanton.wordpress.com
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| | | | | The following hints atwhy the quintic equation cannot be solved using radicals. It follows the approach in the first part of Ian Stewart's book "Galois Theory". If time permits, a future post will summarise the approach in V. B. Alekseev's book "Abel's Theorem in Problems and Solutions". Another candidate is Klein's book "Lectures on the... | |
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educationrickshaw.com
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| | | As a school leader, I'm often asked to read things that contain strong claims about the nature of learning. I was recently asked what I thought about a blog post by Robert Kaplinsky. I don't know anything about Mr. Kaplinsky, and I don't aim to disparage him or his work, but I was struck by... | ||
