EntityQ4558786· pop 12· linked from 42 articlesloopSign in to savein mathematical topology, a path whose initial point is equal to its terminal pointConnectionsmathematicsEntityInternational Standard Book NumberEntitytopologyEntitytorusEntitycontinuous functionEntityunit circleEntitytopological spaceEntityfundamental groupEntityPrinceton University PressEntityunit intervalEntityquasigroupEntityFrank AdamsEntitypathEntityquotient topological spaceEntitypointed spaceEntityloop spaceEntityJames MunkresEntityCategoriesTopology