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visits member for 1 year, 11 months
seen Apr 26 '13 at 7:23

Jul
2
awarded  Curious
Dec
27
awarded  Yearling
Apr
19
awarded  Critic
Apr
16
answered Is there a metric space whose circles look like Euclidean squares?
Apr
16
asked Would this be a metric?
Apr
15
answered Nice examples of groups which are not obviously groups
Apr
15
answered How do you solve an equation involving the Weierstrass p-function?
Apr
15
answered Measurable with respect to the product measure
Apr
15
answered Given a real number, how do I produce an elliptic curve with j-invariant equal to that number?
Apr
15
asked How do you solve an equation involving the Weierstrass p-function?
Apr
15
asked Given a real number, how do I produce an elliptic curve with j-invariant equal to that number?
Apr
8
comment If $f$ and $g$ are integrable, then $h(x,y)=f(x)g(y)$ is integrable with respect to product measure.
But I need to prove that also, so I need h to be integrable in order to use Fubini's theorem
Apr
8
revised If $f$ and $g$ are integrable, then $h(x,y)=f(x)g(y)$ is integrable with respect to product measure.
added 35 characters in body
Apr
8
asked If $f$ and $g$ are integrable, then $h(x,y)=f(x)g(y)$ is integrable with respect to product measure.
Apr
8
accepted If a function is integrable over the whole space, then is it zero except on a set of finite measure?
Apr
8
comment If a function is integrable over the whole space, then is it zero except on a set of finite measure?
Yeah I can use harmonic series to show 1/x can't be finite around 0. Is that right?
Apr
8
asked If a function is integrable over the whole space, then is it zero except on a set of finite measure?
Apr
8
comment Are open sets in $\mathbb{R}^2$ countable unions of disjoint open rectangles?
Wait, do i need these rectangles to be disjoint to conclude that the countable union is measurable?
Apr
8
comment Is the set of sequences of natural numbers with trailing zeros countable?
Wait isn't the set of finite subsets of $\mathbb{N}$ countable?
Apr
8
asked Is the set of sequences of natural numbers with trailing zeros countable?