An underappreciated (and remarkably little-known) property of active regions is that about half of them emerge inside existing regions: bipolar regions are strongly nested (originally noted by Cassini, 1729, studied in detail by Harvey and Zwaan, 1993, and later by, e.g., Pojoga and Cudnik,...
Let’s take a God-like perspective on this question [insert joke here about typical physicist arrogance]. Imagine that you could choose some function from the space of all possible functions, and in order to make your choice you must first ask the question: which function is best? “Best”...
Thanks to commenter Kristal Cantwell for the link.] One key notion in such models is conditional independence---independence of two subsets of the random variables in question, when conditioned on a third set. A really nice paper on a quantum notion of conditional independence, relating it to ...
teacher's(recommenders) suggestions and careful scrutiny of admits & rejects of previous year applicants (PGRE forum is the only source). while doing projects, try to attack/approach a deep problem/question: leads to a good SOP. Carve your recommendation letters ...