[OLDENBURG] virtual i-day on 29 February

[Hans Fischer]

Dear colleagues,

the virtual symposium in honour of the imaginary unit is scheduled for 29 February 2024.
It will start at 17:00 (5 p.m.) Amsterdam time, the first talk will begin at the in a
certain sense "imaginary" point of time 17:12.
The zoom-room will be open from 16:45.

Zoom data:

Thema: I-Day
Zeit: 29.Feb. 2024 04:45 PM Amsterdam

Beitreten Zoom Meeting
https://kuei.zoom.us/j/62309970411?pwd=SWhHcWdiNzd6blg5WEZML0gvNEdtUT09

Meeting-ID: 623 0997 0411
Kenncode: 329809


Best regards,

Hans Fischer

Program

I-Day, February 29th, 17:00, 5:00 p.m. Amsterdam time

17:00 Hans Fischer: Welcome and technical issues

17:12 Staffan Rodhe: "i-ntroduction"

17:30 Karl Kleine: „i = sqrt{-1}, who -- where -- when"

17:45 Philip Beeley: "Wallis on Imaginary Numbers and Related Questions"

18:00 Discussion

18:15 Siegmund Probst: "Imaginary numbers in the mathematical papers of
Leibniz. Some examples from the Paris period (1672-1676)"

18:30 Hans Fischer: "Laplace's trip to the imaginary, and back"

18:45 Peter Ullrich: "On the counterparts of $i$ in the case of finite
fields - from Gauß via Dirichlet to Henryk Iwaniec"

19:00 Discussion

19:15 Stefan Porubsky: "The Complex Number Calculator"

19:30 Tilman Sauer: "Imaginary time"

19:45 Discussion and Conclusion