@Article{CMR-35-335,
author = {Shan , Lin},
title = {Expanders, Group Extensions, Hadamard Manifolds and Certain Banach Spaces},
journal = {Communications in Mathematical Research },
year = {2019},
volume = {35},
number = {4},
pages = {335--339},
abstract = {<p style="text-align: justify;">In this note, we prove that expanders cannot be coarsely embedded
into group extensions of sequences of groups which are coarsely embeddable into
Hardamad manifolds and certain Banach spaces due to the similar concentration
theorems.</p>},
issn = {2707-8523},
doi = {https://doi.org/10.13447/j.1674-5647.2019.04.04},
url = {http://global-sci.org/intro/article_detail/cmr/13559.html}
}