author = {Carsten Schneider}, title = {{Mustervorlesung: 1+2+3+...+n=?}}, language = {english}, year = {2023}, month = {September 21}, note = {Invited colloquium talk at SIM (Studien-Info-Messe), JKU}, institution = {SIM (Studien-Info-Messe), JKU}