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Univ Munster, Fachbereich Math & Informat, Einsteinstr 62, D-48149 Munster, Germany;
Univ Paris Diderot, Sorbonne Paris Cite, IMJ PRG, UMR 7586, F-75013 Paris, France;
Graph products; von Neumann algebras; quantum groups; free products; approximation properties.;