1. Alonso, J., Dullin, H. R., and Hohloch, S., Symplectic Classification of Coupled Angular Momenta, Nonlinearity, 2020, vol. 33, no. 1, pp. 417–468.
2. Alonso, J. and Hohloch, S., Survey on Recent Developments in Semitoric Systems, arXiv:1901.10433 (2019).
3. Arnold, V. I., Remarks on Eigenvalues and Eigenvectors of Hermitian Matrices, Berry Phase, Adiabatic Connections and Quantum Hall Effect, Selecta Math., 1995, vol. 1, no. 1, pp. 1–19.
4. Arnold, V. I., Polymathematics: Is Mathematics a Single Science or a Set of Arts?, in Mathematics: Frontiers and Perspectives, V. Arnold, M. Atiyah, P. Lax, B. Mazur (Eds.), Providence, R.I.: AMS, 1999, pp. 403–416.
5. Avron, J. E., Sadun, L., Segert, J., and Simon, B., Chern Numbers, Quaternions, and Berry’s Phases in Fermi Systems, Commun. Math. Phys., 1989, vol. 124, no. 4, pp. 595–627.