Error:URL rejected: Malformed input to a URL function Compositionofcontinuousmapsde Nesafunction[x;y][y;z]![x;z];([f];[g])7![gf]:2.homotopyequivalencesde Nition2.1.letf:x!ybeacontinuousmap.thenfissaidtobehomotopyequivalenceifthereexistsa - PowerPoint Presentations and PDF Documents