random complexes
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2021 ◽  
Vol 3 (4) ◽  
pp. 1840-1853
Author(s):  
Oksana Zholobko ◽  
Ademola Hammed ◽  
Andrey Zakharchenko ◽  
Nikolay Borodinov ◽  
Igor Luzinov ◽  
...  
Keyword(s):  

2018 ◽  
Vol 29 (3) ◽  
pp. 347-359 ◽  
Author(s):  
Matthew Kahle ◽  
Frank H. Lutz ◽  
Andrew Newman ◽  
Kyle Parsons
Keyword(s):  

2016 ◽  
Vol 216 (2) ◽  
pp. 545-582 ◽  
Author(s):  
Anna Gundert ◽  
Uli Wagner
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2016 ◽  
Vol 09 (03) ◽  
pp. 441-483 ◽  
Author(s):  
A. Costa ◽  
M. Farber

We study random simplicial complexes in the multi-parameter model focusing mainly on the properties of the fundamental groups. We describe thresholds for nontrivially and hyperbolicity (in the sense of Gromov) for these groups. Besides, we find domains in the multi-parameter space where these groups have 2-torsion. We also prove that these groups never have odd-prime torsion and their geometric and cohomological dimensions are either 0, 1, 2 or [Formula: see text]. Another result presented in this paper states that aspherical 2-dimensional subcomplexes of random complexes satisfy the Whitehead Conjecture, i.e. all their subcomplexes are also aspherical, with probability tending to one.


2015 ◽  
Vol 48 (2) ◽  
pp. 260-269 ◽  
Author(s):  
L. Aronshtam ◽  
N. Linial
Keyword(s):  

2009 ◽  
Vol 01 (02) ◽  
pp. 153-175 ◽  
Author(s):  
RUSSELL LYONS

Uniform spanning trees on finite graphs and their analogues on infinite graphs are a well-studied area. On a Cayley graph of a group, we show that they are related to the first ℓ2-Betti number of the group. Our main aim, however, is to present the basic elements of a higher-dimensional analogue on finite and infinite CW-complexes, which relate to the higher ℓ2-Betti numbers. One consequence is a uniform isoperimetric inequality extending work of Lyons, Pichot, and Vassout. We also present an enumeration similar to recent work of Duval, Klivans and Martin.


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