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visits member for 3 years, 7 months
seen Aug 16 at 3:45

May
21
asked showing exact functors preserve exact sequences (abelian categories, additive functors, and kernels)
Jun
13
asked How to show that this function (related to the zeta function) is even?
May
21
asked Does $f, f' \in L^1([0, \infty))$ imply that $\lim_{x \to \infty} xf(x) = 0$?
Apr
11
asked Transpose of a linear operator on functions
Jan
22
answered Why is $y = \sqrt{x-4}$ a function? and $y = \sqrt{4 - x^2}$ should be a circle
Oct
7
asked Is there a geometric argument that the Legendre transform of a convex function is convex?
Sep
1
asked Is there a simple way to bound this contour integral?
Aug
29
asked Bounding a function by its second derivative using Fourier series
Aug
18
answered How to show that e.g. $\cos(z)$ is analytic using Cauchy- Riemann differential equations?
Aug
8
asked Proving the mean value property of harmonic functions using distributions?
Jan
19
asked Fundamental domain for the group of transformations generated by $\tau \mapsto \tau + 2$ and $\tau \mapsto -1/\tau$
Nov
9
asked Can the word “derive” be used to mean “take the derivative of”?
Nov
6
answered Is there a methodical way to compute Euler's Phi function
Sep
8
asked How to show that $\lim\limits_{x \to \infty} f'(x) = 0$ implies $\lim\limits_{x \to \infty} \frac{f(x)}{x} = 0$?
Aug
9
answered How do I prove the divergence of this series?
Jun
7
asked How does the parallelogram law imply the existence of an inner product for a given norm?
May
27
asked Understanding the Schwarz reflection principle
Jan
16
asked Defining the determinant of linear transformations as multilinear alternating form