Googling will get you there on the firm, won't tell you a great load of detail but it will show that you are genuinely committed, and also give you some ideas for the "why do you want to work for us ?". Jobs are like sex, you are more likely to get it if you seem interested in them in particular not just getting laid / hired.If you bung your CV to
Dominic@PaulDominic.com I can let you have the Guide to quant careers which answers this thoroughly, but the short version is make sure you can answer questions based upon your CV, (people forget stuff), and work through as many of the brainteasers on this site as you can.For you personally, I'm assuming that the PDEs weren't financial ones, so it would not hurt to revise this aspect, but in general don't try to learn anything new and big, polish what you have.