Category Archives: Uncategorized

Some Math Items

Some math items that may be of interest: Zentralblatt Math has a review of Mochizuki’s IUT papers, by Peter Scholze. Scholze explains the problem with the proof claimed in these papers. For more details, see his manuscript with Stix, or … Continue reading

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The Problem of Quantization

I’ve been watching Witten’s ongoing talks about geometric Langlands mentioned here, and wanted to recommend to everyone, mathematician or physicist, the first of them, on The Problem of Quantization (pdf here, video here, the question session is very worthwhile). For … Continue reading

Posted in Quantum Mechanics, Quantum Theory: The Book, Uncategorized | 11 Comments

Various Math Items

Some math-research items: Mura Yakerson has been doing a really wonderful series of interviews with mathematicians, available at her math-life balance web-page or Youtube channel. I’ve just started listening to some of them, including ones with Peter Scholze and Dustin … Continue reading

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Non-empirical Physics

I haven’t been paying much attention in recent years to the philosophers of science studying “Non-empirical” or “Post-empirical” physics or theory confirmation. At various times I did write fairly extensively about this, see for instance here, here and here. By … Continue reading

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The Evolution of the Physicist’s Picture of Nature

Reading this Nautilus article about Julian Barbour led me recently to something I don’t think I’ve ever read before, Dirac’s 1963 Scientific American article The Evolution of the Physicist’s Picture of Nature. There is a very famous quote from this … Continue reading

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Some History

I’m heading out soon for a 10 day vacation in the Rocky Mountains, blogging likely to change from sparse to non-existent for the next couple weeks. I’ve come across the following things that people with an interest in the recent … Continue reading

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Finished Some Things

I’ve now finished with two things that I’ve been working on over the last year or so: The paper explaining my proposal for “Twistor Unification” is now done and uploaded to the arXiv, see here. I’ve finished lecturing for the … Continue reading

Posted in Uncategorized | 22 Comments

The Future of Fundamental Physics

IAS director Robbert Dijkgraaf will be giving the CERN colloquium tomorrow, with the title The Future of Fundamental Physics. Here’s the abstract: The reports of the death of physics are greatly exaggerated. Instead, I would argue, we are living in … Continue reading

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ABC is Still a Conjecture

Just a reminder that the abc conjecture is still a conjecture, there is no known valid proof (don’t believe what you might read in an EMS journal). For more about why one attempted proof doesn’t work, see here and here. … Continue reading

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What is a Spinor?

Recently Jean-Pierre Bourguignon recently gave the Inaugural Atiyah Lecture, with the title What is a Spinor? The title was a reference to a 2013 talk by Atiyah at the IHES with the same title. Bourguignon’s lecture is not yet online, … Continue reading

Posted in Uncategorized | 11 Comments