@InProceedings{cen_et_al:LIPIcs.ICALP.2020.24,
author = {Cen, Ruoxu and Duan, Ran and Gu, Yong},
title = {{Roundtrip Spanners with (2k-1) Stretch}},
booktitle = {47th International Colloquium on Automata, Languages, and Programming (ICALP 2020)},
pages = {24:1--24:11},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-138-2},
ISSN = {1868-8969},
year = {2020},
volume = {168},
editor = {Czumaj, Artur and Dawar, Anuj and Merelli, Emanuela},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2020.24},
URN = {urn:nbn:de:0030-drops-124313},
doi = {10.4230/LIPIcs.ICALP.2020.24},
annote = {Keywords: Graph theory, Deterministic algorithm, Roundtrip spanners}
}