We construct a 2-category version of tom Dieck's equivariant fundamental groupoid for representable orbifolds and show that the discrete fundamental groupoid is Morita invariant; hence it is an orbifold invariant for representable orbifolds.
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Moscow MV Lomonosov State Univ, Fac Math & Mech, GSP 1, Moscow 119991, RussiaMoscow MV Lomonosov State Univ, Fac Math & Mech, GSP 1, Moscow 119991, Russia
Gusein-Zade, S. M.
Luengo, I.
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ICMAT CSIC UAM UC3M UCM, Madrid 28040, Spain
Univ Complutense Madrid, Dept Algebra, E-28040 Madrid, SpainMoscow MV Lomonosov State Univ, Fac Math & Mech, GSP 1, Moscow 119991, Russia
Luengo, I.
Melle-Hernandez, A.
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ICMAT CSIC UAM UC3M UCM, Madrid 28040, Spain
Univ Complutense Madrid, Dept Algebra, E-28040 Madrid, SpainMoscow MV Lomonosov State Univ, Fac Math & Mech, GSP 1, Moscow 119991, Russia