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Cantor set + Cantor set =$[0,2]$

real-analysis general-topology analysis cantor-set asked Feb 20, 2013 at 13:38

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11 votes

set of all holomorphic functions is a integral domain

complex-analysis asked Mar 5, 2013 at 12:18

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9 votes

If $f^2$ is an analytic function then so is $f$

complex-analysis asked Feb 18, 2013 at 13:19

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7 votes

splitting field of $(x^3-2)(x^3-3)$ over $\mathbb Q$

homework galois-theory asked Jun 3, 2013 at 6:55

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6 votes

Question from Artin's algebra book

linear-algebra asked Jan 22, 2013 at 13:43

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5 votes

Möbius transformations form a simple group

abstract-algebra complex-analysis asked Mar 2, 2013 at 6:52

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5 votes

Irreducibility of the polynomial $f (x) = x^{2p} − x ^p + t$

abstract-algebra asked Mar 4, 2013 at 15:19

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Top Answers

Are normal subgroups transitive?

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Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$

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Solve equations $\sqrt{t +9} - \sqrt{t} = 1$

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Closed subsets $A,B\subset\mathbb{R}^2$ so that $A+B$ is not closed

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What Möbius transformation maps the unit circle $\{z: |z|=1\}$ to the real axis?

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What are the strategies I can use to prove $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$?

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Prove or disprove: If $x^T A x = 0 $ for all $x$, then $ A = 0 $.

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Sylow p-subgroup of $GL_n(F_p)$

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If $f(x+y)=f(x)\cdot f(y)$, then $f(x)=e^{ax}$

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$(n-1)$-dimensional subspace of an $n$-dimensional vector space

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Proving that the matrix is not invertible.

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find the number of limit points of the set{$ \frac{1}{m} +\frac{1}{n}:m,n \in \Bbb N$}

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uniform continuity and which of the following statements are true??(NBHM-$2014$)

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