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Results overview: Found 3 records in 0.03 seconds.
Articles, 3 records found
Articles 3 records found  
1.
35 p, 583.2 KB A small closed convex projective 4-manifold via Dehn filling / Lee, Gye-Seon (Sungkyunkwan University. Department of Mathematics) ; Marquis, Ludovic (Univ Renne) ; Riolo, Stefano (Università di Pisa. Dipartimento di Matematica)
In order to obtain a closed orientable convex projective 4-manifold with small positive Euler characteristic, we build an explicit example of convex projective Dehn filling of a cusped hyperbolic 4-manifold through a continuous path of projective cone-manifolds.
2022 - 10.5565/PUBLMAT6612215
Publicacions matemàtiques, Vol. 66 Núm. 1 (2022) , p. 369-403 (Articles)  
Detailed record -
2.
5 p, 269.4 KB Some non-amenable groups / Kar, Aditi ; Niblo, Graham A.
We generalise a result of R. Thomas to establish the non-vanishing of the first L2 Betti number for a class of nitely generated groups.
2012 - 10.5565/PUBLMAT_56112_09
Publicacions matemàtiques, Vol. 56, Núm. 1 ( 2012) , p. 255-259  
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3.
9 p, 132.4 KB f-polynomials, h-polynomials and l2-Euler characteristics / Boros, Dan (Otterbein College (Estats Units d'Amèrica). Department of Mathematical Sciences)
We introduce a many-variable version of the f-polynomial and h-polynomial associated to a finite simplicial complex. In this context the h-polynomial is actually a rational function. We establish connections with the l2-Euler characteristic of right-angled buildings. [...]
2010 - 10.5565/PUBLMAT_54110_04
Publicacions matemàtiques, V. 54 n. 1 (2010) p. 73-81  
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