Complete description of Aut(W) for star-shaped finite Coxeter diagrams, including decomposition into inner, diagram, transvection and partial conjugation parts, plus R_∞ property and rigidity results.
Nuida, On the isomorphism problem for Coxeter groups and related topics, inGroups of excep- tional type, Coxeter groups and related geometries, 217–238, Springer Proc
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Symmetry and Rigidity of Star-Shaped Coxeter Systems
Complete description of Aut(W) for star-shaped finite Coxeter diagrams, including decomposition into inner, diagram, transvection and partial conjugation parts, plus R_∞ property and rigidity results.