• The institute was renamed from “Institut für Festkörperphysik” to “Institut für Physik kondensierter Materie”.
• The IPKM abbrevation is used in communication with the university, the idea was to use the same abbrevation as the other departements like IAP and IKP.
• The PKM abbrevation is only used in the domain name pkm.tu-darmstadt.de. This was setup before the IPKM abbrev. was aggreed on.

Die TU-ID wird nach dem Ausscheiden deaktiviert. hier zur Information: https://www.hrz.tu-darmstadt.de/support_und_anleitungen/hrz_faq/index.de.jsp#faq_tuid

• Studierende – Nachlaufzeit von drei Monaten nach der Exmatrikulation
• Mitarbeiter/_innen – Vier Wochen nach Vertragsablauf
• Gäste (Gast-TU-ID) – Bis zum im Antrag angegebenen Ablaufdatum

The matrix server auto-populates the account into its own database from LDAP (=mail server account list) when that user signs in for the first time. There is no automatic discovery otherwise, this means other users won't see people that are in LDAP (=have a mail server account) but have never signed in to matrix.