Some time ago, I received an invitation from the organizers of USM Physics Coffee Talk. It was a pleasant surprise for me to be invited there. So all this week and parts of last week, I was gearing up and preparing for this talk. I shelve most other tasks to actually prepare for the talk including a proposal paper for the collaboration with UniMaP and UTM. I had to apologise for my minimal involvement in putting up the details of the proposal paper, delegating the tasks to my younger colleague Dr. Nurisya. Below is the poster prepared by the organizers:
They also had this put up introducing me as the speaker (not sure where they get this from).
"As I was pondering the rich and multifaceted interactions between Mathematics and Quantum Physics, a student of mine, Alexander Wurm, brought me a mathematics dictionary which includes a synoptic table of physics disciplines and mathematics theories. Very interesting, but again too rich a fare: the whole of mathematics is relevant to Quantum Physics."
The last sentence was the thing I wanted to highlight to the audience - the broad spectrum of mathematics that one needs to cover for quantum theory. If Cecile deWitt-Morette was overwhelmed with the scope she needs to cover for the talk at the conference, then I would be very much more overwhelmed with the task of explaining mathematical physics. The only difference here is my audience is a student audience (mostly) and not expert researcher audience. This is also the reason why I had only two slides that contain equations in them.
I was actually hoping to do more. The plan is to have another short section just after the (Un)Resonable Effectiveness slide to talk about the history of relativity and history of quantum theory; this would be the section on the growth of physics with the help of maths (as suggested by the organizers in the title of the talk). There, I would mention Grossmann helped Einstein with tensor calculus and differential geometry; and Born and Jordan helped Heisenberg with matrix mechanics. Having said matrix mechanics, I was also supposed to mention that Prof. H.S. Green (being a disciple of Born) had a book on Matrix Methods in Quantum Mechanics, which was given praises by some experts. It is also interesting that Cecile deWitt-Morette mentioned in her article that "All throughout my life, I have a needed a mathematician friend willing to tutor me 'as needed' " - a thing that I have always wished that I could have.
Now, I have this section called "Standards" where I would just review (selected) mathematical ideas behind the basic theoretical subjects of physics. (Note: if I had more time, I would put up section dividers before starting a new section, but then I need to finish the real content first.) Thereafter, I really wanted to do a "Beyond" section, where I would delve into some of my research interests: contextuality in quantum foundations and complex networks using graph theory, entanglement geometry via group actions on complex projective spaces and symplectic topology, quantum chaos and even Langlands program via modular forms plus categorical quantum mechanics and topos quantum theory. However these would have taken me more (infinite) time to prepare.
Overall, I was not satisfied with my own talk - I wished I could have said more. As it is, it may appear to be of a mumbo-jumbo to some. I really wanted to get some feedback about my talk but then again, why do I have to put more stress on my own self. I have my own recording of the talk, which is available here: https://www.youtube.com/watch?v=99qHg5Pxr0w. The audio during Q&A is not good - perhaps the organizer will have a better video later.
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