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• n  a closed curve that does not intersect itself

• simple closed curve
• Jordan curve

News & Articles

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• UR professors featured in The Best Writing on Mathematics 2013
  Mathematics professor Bill Ross and art professor Fiona Ross, a husband-and-wife team, collaborated to illustrate that “The Jordan Curve Theorem is Non-Trivial.”
  Jan. 21, 2014 - The Collegian