john w.

Member for 11 years, 1 month
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factorial

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9

How to prove: $n! \times (n+1) = (n+1)!$

Feb 7, 2012

5

Books to study for Math GRE, self-study, have some time.

Apr 5, 2012

5

Showing the inequality $|\alpha + \beta|^p \leq 2^{p-1}(|\alpha|^p + |\beta|^p)$

May 9, 2012

3

When did Fubini's name get applied to the theorem without measures?

Sep 25, 2013

2

$\hat f_\lambda(x) = \hat f(x/\lambda)$

May 28, 2012

Questions

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7

$S^{2n}$ is the universal cover of $B$, what is $\pi_1(B)$.

Sep 25, 2013

6

$f$ an isometry from a hilbert space $H$ to itself such that $f(0)=0$ then $f$ linear.

Mar 16, 2012

5

ACC on principal ideals implies factorization into irreducibles. Does $R$ have to be a domain?

Jun 22, 2014

3

Hartshorne 3.5.3, how to use surjectivity on global sections and Nakayama to conclude globally generated

Nov 26, 2014

2

Two spaces with 'same' universal cover, must one cover the other?

Sep 24, 2013

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