Big algebra surface and skeleton (IMAGE) Institute of Science and Technology Austria Caption The trident is the skeleton of the triplet big algebra’s surface, drawn with algebraic geometry techniques. Credit © Bedats/Hausel Usage Restrictions Free to use when reporting about ISTA. License Original 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.