Monthly Archives: April 2014

Current musings and an apology

It’s nearing the end of the semester here and so things are getting busy.  It’s also spring vacation for the kiddos and so I’ll be spending more time with them.  To add to that, my better half’s family is up … Continue reading

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Lie Groups and Lie algebras – a question

I can’t remember how this came up, I believe it involved an exchange with Shea Browne but it certainly has been motivated by readings.  You see, sometimes you’ll see a Lie Algebra defined all by itself, as a vector space with … Continue reading

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What I am and what I am not.

The last few years have been humbling experiences.  I’ve been coming to terms with who I am and who I want to be, fortunately they’re not too different. A few years ago I prepared for my comprehensive exams in physics. … Continue reading

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“On Space and Time” – part 3

I’ve finished “On Space and Time”  and my opinion of the book has only increased (see part 1 and part 2 for initial chapters).  There were three chapters remaining, one by Alain Connes, the founder of Noncommutative geometry, Michael Heller, … Continue reading

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“On Space and Time” – part 2

I’m still reading “On Space and Time” that I started reviewing last week.  I just finished the chapter by Roger Penrose entitled “Causality, Quantum Theory and Cosmology.”  Like Majid’s article, this one is a pleasure to read. Penrose has always … Continue reading

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Determinants and traces – 1

I wonder how many posts I’ll label “Subject matter – 1” and how many sequels I’ll end up actually writing.  Last time, I wrote that I had started thinking about the trace of a linear map.  I finally found a few … Continue reading

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Scattered topics

I’m going to use this as an opportunity to talk out loud and verbalize some thoughts that I’m trying to develop.  Some of the them are connected with the TQFTs I’ve been writing about.  I started reading Atiyah’s 1988 article … Continue reading

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