2023-04-272023-04-272008https://www.cambridge.org/core/journals/journal-of-the-australian-mathematical-society/article/orbifolds-are-not-commutative-geometries/50F6DAE3AFEAB7E4C8955749085D21681446-8107https://hdl.handle.net/10669/89159In this note we show that the crucial orientation condition for commutative geometries fails for the natural commutative spectral triple of an orbifold M/G.engacceso abiertoGEOMETRYMATHEMATICSOrbifolds are not commutative geometriesartÃculo original10.1017/S1446788708000293