Thursday, 14 September 2017

graduate admissions - Benefits of doing Part III at Cambridge (Pure Math) for US PhD applications


I applied to various US Pure Mathematics PhD programs for entry this fall and the responses from my top preferences were not favorable, though some of my lower preferences were. I also have an offer to do "Part III" at the University of Cambridge, which is a 1 year masters degree via coursework (although there is an essay component worth about 1/6th of the assessment). I'm considering the option of accepting this, and then re-applying to the US schools with the hope that my application has improved and I get accepted into one of my higher preferences.



My question is: How do US Mathematics departments view the Part III program, and if I do it then will it have a good/bad/no effect on my subsequent application?



Some things to consider: The Part III program is intended as preparation for a PhD degree, unlike many Masters degrees that are intended as terminal degrees. Is this well known?


An essay is part of the course - it usually involves giving a unified exposition of several recent papers on a certain topic. Though the content of the essay can be quite advanced, it often does not contain much original research.


The course is from October '14 to June '15, while applications to US schools are due around December '14. This means I will not have had enough contact with Cambridge faculty to get a letter of reference from them. The marks for all the subjects taken are released around June '15, so I won't be able to include any of those marks in my application either. However in the time between now and October I will continue work with my undergraduate supervisor, which should improve my main letter of reference at least a little. My field is algebraic geometry, and my supervisor has said that it would be better for me to go through Hartshorne in the next ~6 months rather than forcing myself to research just yet. So I won't be getting any original research done by the time I apply again.



Answer




I think Part III is quite common amongst US students nowadays, and is thus well-known to graduate admissions committees. Probably the effect on your application will be good, since if nothing else it shows you are serious about studying mathematics; a school can also reasonably expect you to be considerably better prepared coming after a year at Part III than when you finished your BA. So if one of your issues was a weak curriculum as a BA student (as opposed to poor grades or weak letters), then Part III could help quite a bit. On the other hand, I wouldn't count on a dramatic change in your graduate school admissions, in part because as you note, you won't have your grades or a strong recommendation from Part III in hand when you apply for graduate schools the next time around. I wouldn't worry about the fact that Part III is not research based; obviously doing research before starting graduate school is great, but most graduate schools in the US are not really expecting you to have done much in the way of it beforehand, or to be even close to ready to start when you enter.


I think if money is no object, then Part III is probably as good as anything else you might do for having a strong graduate application in the coming cycle. EDIT: I should probably also say that a matter of substance (as opposed to application strategy), Part III is probably on average better than spending a year as a grad student at a random respectable grad program in the US, since it will bring you into contact with a wide variety of other students and ideas.


However, I think you should weigh that next to the possibility of starting graduate school at one of your lower preferences, and then trying to transfer after a year, or when you get a master's degree. There's no guarantee this will work, but the same can be said of Part III. If you've been offered funded admission at a respectable school in the US, and would have to pay your own way at Part III, I would look hard at whether you think it's worth the money.


EDIT: I wouldn't count on the "glamour" of Cambridge itself to have a strong effect. I honestly don't know how selective Part III is (maybe someone who knows can comment.), so I wouldn't rely on assuming that admissions committees will consider it as such. There's some psychological "band-wagon" effect where getting one prestigious position reinforces getting others, but it won't work if the substance isn't there. Getting a BA from Harvard or MIT is helpful for getting into graduate school (if you have a strong record) because an admissions committee is more confident that getting an A in math class at Harvard really means something, and that a professor at Harvard has a lot of experience with talented undergraduates and thus can speak with some certainty about what it takes to succeed in graduate school. So, if you went to Part III, got good scores on your exams and got a strong recommendation from a professor there, that could strengthen your application a lot as a "second opinion" reinforcing the recommendations and grades you have from your BA. However, as discussed, those would only be available for the fall 2016 admission cycle, not 2015. One possibility is to see about accepting one of your safety schools with a deferment to go to Cambridge, going to Part II in 2014-5, going to the safety school in 2015 and applying for transfer in 2016 or 2017 if you're unhappy there.


One piece of information we're lacking is what your "lower preferences" are (don't put too much stock in USNW rankings, but they help to be concrete in a discussion like this). It makes a big difference whether we're talking about a school in the rank ~25 (like UCSD), ~50 (like UVA) or ~100 (for example, South Carolina). In the former case, I'd say it's a waste of time to try to try to move up unless you go and are miserable, whereas in the latter it makes a certain kind of sense.


LATER EDIT: Incidentally, yes, given that your undergraduate grades are already "baked in," the main things you can still hope to change are your letters, and also your GRE scores if those were bad.


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