Welcome to Frank Oertel's Homepage

It's like if you want to be a good pianist, you have to do a lot of scales and a lot of practice, and a lot of that is kind of boring, it's work.
But you need to do that before you can really be very expressive and really play beautiful music. You have to go through that phase of practice and drill.
- Terence Tao -

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E-Mail Address: f.SURNAME(AT)email.de
Erdös Number: At most 4

Important Clarification: No mistake in name please!















Selected Thoughts of Experts About the World of Tomorrow, Including Discussions and Links Regarding AI (German and English)

  • Prof. Dr. Hans-Werner Sinn: Trump und die Zerstörung der internationalen Handelsordnung (an important presentation at the IWP that explains the context in great detail - as at 14.04.2025)
  • Klima und Energie - Der Stand der Dinge (a very important key lecture of Prof. Harald Lesch at Universität Stuttgart, which includes highly illuminating climate change simulations, based on computer-aided, data-driven time series), taken from Harald Lesch: Klimaschutz braucht Bildung - 15 Jahre zlw

  • AI search engine Perplexity (impressive!) - How does Perplexity work?
  • Login to the former AI tool ChatGPT-3.5

  • Künstliche Intelligenz in der Hochschule - Christian Spannagel (includes a comprehensive description of the outcomes of ChatGPT-4 (as at June 15, 2023))
  • Rebecca, ChatGPT und Gert Scobels persönliche Chatbothölle - Gert Scobel
  • Wie kann ChatGPT die Welt verändern? - Gert Scobel
  • My own very little testing of ChatGPT (version 3.5). The equivalence is wrong, though (Cf. e.g., Is Hahn Banach equivalent to the ultrafilter lemma in ZF - MSE and Proof of ultrafilter lemma with two propositions and Zorn lemma - MSE).
    • My guess is that in a next step AI tools such as ChatGPT will be joined with robot bodies. Moreover, I am wondering when (resp. if?) AI tools like ChatGPT will even be able to solve longstanding open mathematical problems? Not yet, since:
  • ChatGPT und die Mathematik - Teil 1
  • ChatGPT und die Mathematik - Teil 2
    • We also get valuable information on how ChatGPT-3.5 works (as at January 2023)! However,
  • ChatGPT & Co – wie intelligent ist KI? | Harald Lesch, Marco Smolla & Hannah Bast
  • Mensch oder Maschine - Ein Monolog über die Zukunft des reinen Mathematikers



    • Current version: April 20, 2025