General information:
https://www.tuhh.de/tuhh/en/studying/after-graduation/doctoral-degrees.html
Double doctorate (cotutelle de thèse): (German only)
https://www.tuhh.de/tuhh/nach-dem-studium/promotion-und-habilitation/doppelpromotion.html
Information for international research guests:
https://www.tuhh.de/tuhh/en/international/guest-researchers.html
Hamburg Welcome Portal - Residence matters for professionals:
https://www.hamburg.com/welcome/entry-residence/immigration-registration-offices/11746154/hamburg-welcome-center/
Contact persons in case of conflict or need for advice:
Conflict advisor Christine Bauhofer:
https://www.tuhh.de/konfliktmanagement/konfliktmanagement-an-der-tuhh/konfliktberaterin-sophie-dishman.html
More consulting options:
https://www.tuhh.de/konfliktmanagement/konfliktmanagement-an-der-tuhh/weitere-beratungsmoeglichkeiten.html