Bao, Yicong, Yiqian Li, Sicong Liu, and Longjun Yuan. 2025. “The Non-Universality of an Algorithm to Decide If a Point Is in the Exterior or on the Boundary of a Closed Constructive Set”. Science and Technology of Engineering, Chemistry and Environmental Protection 3 (3):8732. https://doi.org/10.61173/9jx13362.