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The gravitational anomalies are investigated for generalized EuclideanTaub-NUT metrics which admit hidden symmetries analogous to the Runge-Lenzvector of the Kepler-type problem. In order to evaluate the axial anomalies,the index of the Dirac operator for these metrics with the APS boundarycondition is computed. The role of the Killing-Yano tensors is discussed forthese two types of quantum anomalies.Comment: 23 page

Quantum anomalies for generalized Euclidean Taub–NUT metrics