Links
- https://www.uni-bonn.de/
- https://www.uni-bonn.de/fakultaeten
- https://www.pi.uni-bonn.de/en/search#
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- https://www.pi.uni-bonn.de/kroha/en/news/non-hermitian-phase-transition
- https://www.pi.uni-bonn.de/kroha/en/news/non-hermitian-phase-transition/fahri-emre-ozturk-tim-lappe-goran-hellmann-frank-vewinger-johann-kroha-and-martin-weitz-science-372-issue-6537-88-2021
- https://www.pi.uni-bonn.de/kroha/en/news-collection
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