Roy

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34 Questions

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9	Calculating the integral $\int_0^{\infty}{\frac{\ln x}{1+x^n}}$ using complex analysis
7	Proving that $\left(1+\frac{z_{1}}{z_{2}}\right)\left(1+\frac{z_{2}}{z_{3}}\right)…\left(1+\frac{z_{n}}{z_{1}}\right)\in\mathbb R$
5	Possible subgroups of $\mathbb{Z}/3^6\mathbb{Z} \oplus\mathbb{Z}/3^5\mathbb{Z}\oplus\mathbb{Z}/3^2\mathbb{Z}$
4	For which $a$ does the equation $f(z) = f(az) $ has a non constant solution $f$
4	Why $A_{5}$ has no subgroup of order 20?

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558 Reputation

+5	Complex polynimial tends to infinity
+5	For which $a$ does the equation $f(z) = f(az) $ has a non constant solution $f$
+5	Open bounded set $E$ so that $m(E)\neq\lim_{n\rightarrow \infty}m(O_n)$
+5	Meaning of $ \sup_{n}f_{n}(x)$

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3 Answers

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2	How to calculate all the four solutions to $(p+5)(p-1) \equiv 0 \pmod {16}$?
1	For which $a$ does the equation $f(z) = f(az) $ has a non constant solution $f$
1	G is an abelian group. Prove $G^{(n)}$ is a subgroup of G

16 Tags

2 elementary-number-theory	0 homework × 12
1 complex-analysis × 15	0 finite-groups × 8
1 group-theory × 14	0 measure-theory × 3
1 abelian-groups × 3	0 linear-algebra × 2
1 proof-strategy	0 laurent-series

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$Mathematics Stack Exchange$	Mathematics	558 rep	6
	Stack Overflow	142 rep	5

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