Media type: E-Article Title: Spun normal surfaces in 3–manifolds, I : 1–efficient triangulations Contributor: Kang, Ensil; Hyam Rubinstein, Joachim imprint: Mathematical Sciences Publishers, 2023 Published in: Algebraic & Geometric Topology Language: English DOI: 10.2140/agt.2022.22.3533 ISSN: 1472-2739; 1472-2747 Keywords: Geometry and Topology Origination: Footnote: