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darij grinberg

Cambridge, MA

cip.ifi.lmu.de/~grinberg

Age: 24

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Top Questions

Why is the (-1)-th coefficient of $f^n f'$ equal to 0, without dividing by $n+1$?

commutative-algebra polynomials residue-calculus abstract-algebra asked Apr 9 '12 at 20:45

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Top Answers

what are the uses of this identity

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For $M\otimes_R N$, why is it so imperative that $M$ be a right $R$-module and $N$ a left $R$-module?

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Permutation on a set from $\{1, 2, \ldots, 2n\}$

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Product with primitive central idempotent in a complex group ring

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Can this product be written so that symmetry is manifest?

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