A Knot with its Gauss Code (IMAGE) American Mathematical Society Caption This knot has Gauss code O1U2O3U1O2U3. Credit Graphic by Sam Nelson. Usage Restrictions Obtain permission from Sam Nelson before reproducing this figure. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.