@article{fbfa6d7d93c64b33a8e08f9d00954698,
title = "On the entropy norm on the group of diffeomorphisms of closed oriented surface",
abstract = "We prove that the entropy norm on the group of diffeomorphisms of a closed orientable surface of positive genus is unbounded.",
keywords = "Entropy, conjugation-invariant norms, mapping class groups, quasi-morphisms",
author = "Michael Brandenbursky and Arpan Kabiraj",
note = "Funding Information: Both authors were partially supported by GIF-Young Grant Number I-2419-304.6/2016. We wish to express our gratitude to the center for the support and excellent working conditions. Funding Information: First author was partially supported by Leverhulme Trust Grant RPG-2017-159. Second author was partially supported by the center of advanced studies at Ben Gurion University, by ISF Grant Number 2095/15, by ISF Grant Number 821/16 and by DST-INSPIRE, India. Publisher Copyright: {\textcopyright} 2020 World Scientific Publishing Company.",
year = "2020",
month = mar,
day = "1",
doi = "10.1142/S1793525319500419",
language = "English",
volume = "12",
pages = "105--111",
journal = "Journal of Topology and Analysis",
issn = "1793-5253",
publisher = "World Scientific Publishing Co. Pte Ltd",
number = "1",
}