EntityQ515173· pop 18· linked from 90 articlescontraction mappingSign in to savefunction reducing distance between all pointsConnectionsLipschitz functionEntitymetrizable spaceEntitymetric mapEntityuniform continuityEntityIntrinsic metricEntitymathematicsEntityInternational Standard Book NumberEntityfunctionEntityreal numberEntitydigital object identifierEntityempty setEntitymetric spaceEntitybibcodeEntityHilbert spaceEntityfunctional analysisEntityQ118398Entitytopological spaceEntitymanifoldEntityRobert LucasEntityordinary differential equationEntityCategoriesFixed points (mathematics)Metric geometry