Add new comment

Permalink

Thank you, Andrew, for your exposition on BEING STUCK; I shall return to the struggle to understand "pairs of quadratic forms in four variables that represent every integer the same number of times" with renewed vigour and hope.

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.