Media type: E-Article Title: WHAT IS...Cop Number? Contributor: Bonato, Anthony Published: American Mathematical Society (AMS), 2012 Published in: Notices of the American Mathematical Society, 59 (2012) 8, Seite 1 Language: English DOI: 10.1090/noti885 ISSN: 0002-9920; 1088-9477 Origination: Footnote: Access State: Open Access