Geodesic
Property (T) for groups acting on simplicial complexes through taking an “average” of Laplacian eigenvalues
Izhar Oppenheim1
1Ben Gurion University of the Negev, Beer Sheva, Israel
Groups, geometry, and dynamics, Tome 9 (2015) no. 4, pp. 1131-1152

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DOI

is article generalizes the Żuk’s criterion for property (T) and gives new criteria for property (T) (and for vanishing of higher L2-cohomologies).
DOI : 10.4171/ggd/336
Classification : 20-XX, 05-XX
Mots-clés : Property (T), cohomology, simplicial complex, Laplacian

Izhar Oppenheim  1

1 Ben Gurion University of the Negev, Beer Sheva, Israel 
Izhar Oppenheim. Property (T) for groups acting on simplicial complexes through taking an “average” of Laplacian eigenvalues. Groups, geometry, and dynamics, Tome 9 (2015) no. 4, pp. 1131-1152. doi: 10.4171/ggd/336
@article{10_4171_ggd_336,
     author = {Izhar Oppenheim},
     title = {Property {(T)} for groups acting on simplicial complexes through taking an {\textquotedblleft}average{\textquotedblright} of {Laplacian} eigenvalues},
     journal = {Groups, geometry, and dynamics},
     pages = {1131--1152},
     year = {2015},
     volume = {9},
     number = {4},
     doi = {10.4171/ggd/336},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/336/}
}
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%T Property (T) for groups acting on simplicial complexes through taking an “average” of Laplacian eigenvalues
%J Groups, geometry, and dynamics
%D 2015
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%R 10.4171/ggd/336
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