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Abstract
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We calculate the Bieri–Neumann–Strebel–Renz invariant
for even Artin groups
with underlying graph
such that if there is a
closed reduced path in
with all labels bigger than 2 then the length of such a path is always odd. We show
that
is a rationally defined spherical polyhedron.
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Keywords
even Artin groups, $\Sigma$-invariants
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Mathematical Subject Classification
Primary: 20J05
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Milestones
Received: 21 October 2020
Revised: 13 February 2021
Accepted: 15 February 2021
Published: 4 August 2021
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