Abstract
We study the arithmeticity of the Couwenberg–Heckman–Looijenga lattices in , and show that they contain a nonarithmetic lattice in which is not commensurable to the nonarithmetic Deligne–Mostow lattice in .
Citation
Martin Deraux. "A new nonarithmetic lattice in ${\rm PU}(3,1)$." Algebr. Geom. Topol. 20 (2) 925 - 963, 2020. https://doi.org/10.2140/agt.2020.20.925
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