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Status Updates posted by ajb

Don't you hate that feeling of selfdoubt just before you submit a paper?

I like to start my research talks with a quote. I may try the same for my undergraduate teaching. I was thinking 'Your suffering will be legendary, even in hell! ' Pinhead, Hellraiser II.

“I've learned one thing, and that's to quit worrying about stupid things. You have four years to be irresponsible here, relax. Work is for people with jobs. You'll never remember class time, but you'll remember the time you wasted hanging out with your friends. So stay out late. Go out with your friends on a Tuesday when you have a paper due on Wednesday. Spend money you don't have. Drink 'til sunrise. The work never ends, but college does...”
Tom Petty


I won first prize in the poster competition. The prize is to give a talk at the conference!

The mechanics paper is now online. I will blog about this when the interview is online. http://iopscience.iop.org/17518121/48/20/205203/article

My paper in Journal of Physics A is going to be listed as one of the 'Publisher's Pick' articles as they regards it to be of particular interest to their readers. I am very pleased.

I think I have a new class of sigma models, I know there internal symmetries and now I have no idea what to do with them! I have been trying to read up on quantum aspect of such models...not so easy for my models.

Feeling pleased: My first joint paper has been accepted for publication in J. Phys. A: Math. Theor. (I'll blog about it later)
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In a sense, but what I am talking about here is classical. You can find a preprint (which is not much different to the accepted version) at http://arxiv.org/abs/1412.2719

Yeah, no longer evil

I do not know very much. I often surprise myself with my ignorance. But this is a good state of mind to be in.

Trying to understand differential calculi and the Cartan calculus on Manin's quantum superplane.

Been very busy, then my wife is taken ill and is in hospital. I won't be able to participate on the forums as much as I used to for a while.

Trying to understnd 11d SUGAR in terms of Looalgebras. :\

Life is not all diagram chasing, and I can say that categorically.

I quite like Nakahara's book, thought it is not the most complete book mathematically speaking. It does however introduce you to many of the basic ideas of topology and geometry.
Isham's Modern di®erential geometry for physicists is also quite good, but again lacks some rigour. Tohru Eguchi, Peter B. Gilkey, and Andrew J. Hanson. Phys. Rept.,66 is also good.
K...

In physics differential geometry probably is advanced mathematics used "day to day". The reason for this is that physics, or for sure classical physics is usually smooth, i.e. you can take derivatives and does not depend on exactly how you decide to present it. Both these are fundamental ideas in differential geometry.

Trying to understand if the classical BVformalism of gauge theories can be generalised to situations where the odd bracket does not satisfy a derivation property. Watch this space : )

Singing  " Heavy Metal Or No Metal At All Wimps And Posers Leave The Hall Heavy Metal Or No Metal At All Wimps And Posers Go On Get Out Leave The Hall "

Odd variables appear in quantum field theory when looking for semiclassical descriptions of fermions, like the electron and also are needed in gauge theories like YangMills. Supersymmetric theories uses them, including superstring theory. They also can be very useful linear algebra and differential geometry as a neat description of alternating forms.
So, Ok maybe I could include ...

Feeling happy: I have got my paper on Looalgebroids accepted for publication.

Looalgebroids have a kind of Tulczyjew triple, in terms of graded manifolds rather than double vector bundles, fascinating...