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up vote 0 down vote favorite I have the option of taking one or both of these classes, but I am unfamiliar with algebra and don't know the difference between the following two courses based on their descriptions: MATH 578. Algebraic Structures. 3 Credits. (NOTE: taught by a very well regarded professor) Permutation groups, matrix groups, groups of linear transformations, symmetry groups; finite abelian groups. Residue class rings, algebra of matrices, linear maps, and polynomials. Real and complex numbers, rational functions, quadratic fields, finite fields. (prerequisite is linear algebra/textbook is "First Course in Abstract Algebra" by Fraliegh) MATH 534. Elements of Modern Algebra. 3 Credits. (NOTE: taught by a professor with mixed reviews) Binary operations, groups, subgroups, cosets, quotient groups, rings,...

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up vote 60 down vote favorite 5 Pretty much every game that involves micro-transactions has a large amount of their micro-transaction revenue coming from a very small percentage of their players, the so-called "whales" that spend hundreds or even thousands of dollars per month on them. I've also sometimes heard gamers that spend lower amounts of money as "dolphins". Why are these players called whales and dolphins? Does it have to do with the whale hunting or something? terminology share | improve this question asked Nov 30 at 9:23 Nzall 11.8k 8 51 79 ...