Media type: E-Article Title: Torus cannot collapse to a segment Contributor: Katz, Mikhail G. Published: Springer Science and Business Media LLC, 2020 Published in: Journal of Geometry, 111 (2020) 1 Language: English DOI: 10.1007/s00022-020-0525-8 ISSN: 0047-2468; 1420-8997 Keywords: Geometry and Topology Origination: Footnote: