TY  - JOUR
AU  - Werner Ballmann
AU  - Mayukh Mukherjee
AU  - Panagiotis Polymerakis
TI  - On the Spectrum of Certain Hadamard Manifolds
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2023
VL  - 19
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2023_19_a49/
LA  - en
ID  - SIGMA_2023_19_a49
ER  -