@InProceedings{carayol_et_al:LIPIcs.ICALP.2024.131,
author = {Carayol, Arnaud and Charamond, Lucien},
title = {{The Structure of Trees in the Pushdown Hierarchy}},
booktitle = {51st International Colloquium on Automata, Languages, and Programming (ICALP 2024)},
pages = {131:1--131:18},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-322-5},
ISSN = {1868-8969},
year = {2024},
volume = {297},
editor = {Bringmann, Karl and Grohe, Martin and Puppis, Gabriele and Svensson, Ola},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2024.131},
URN = {urn:nbn:de:0030-drops-202749},
doi = {10.4230/LIPIcs.ICALP.2024.131},
annote = {Keywords: Pushdown hierarchy, Monadic second-order logic, Automatic numbers}
}