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Darrin's user avatar
Darrin's user avatar
Darrin
  • Member for 10 years, 5 months
  • Last seen more than 9 years ago
  • Iowa
27 votes
2 answers
14k views

Sigma algebra generated by the set of all singletons

20 votes
1 answer
487 views

Swapping signs in analysis proofs

15 votes
2 answers
709 views

Help me correct my ideas of continuity

13 votes
4 answers
2k views

Simple combinatorics question - caught off guard!

10 votes
3 answers
8k views

For set of positive measure $E$, $\alpha \in (0, 1)$, there is interval $I$ such that $m(E \cap I) > \alpha \, m(I)$

8 votes
2 answers
380 views

Question about differentiating under the integral sign

8 votes
1 answer
3k views

Absolute continuity implies Lipschitz iff $\sup(f'(x))<\infty$

7 votes
4 answers
961 views

Showing $\ln(\sin(x))$ is in $L_1$

7 votes
1 answer
728 views

Real integral using complex methods

6 votes
1 answer
2k views

Crazy calculation for winding numbers

6 votes
1 answer
3k views

Riesz Representation Theorem for $\ell^p$

5 votes
1 answer
473 views

Showing the sum of two sets contains an interval - Baire's Theorem?

5 votes
1 answer
1k views

Monotone increasing function satisfying FTC is absolutely continuous?

4 votes
1 answer
79 views

A question about functions in $L^p\big([0,1]\big)$

4 votes
2 answers
1k views

Complex Analysis - function on open unit disk with $\Re(f(z)) \geq 0$

4 votes
2 answers
2k views

$L^1([0,1])$ is not a Hilbert space.

3 votes
1 answer
36 views

A function in $L^p(E)$ for only $2 \leq p < 3$

2 votes
1 answer
1k views

Jensen's Inequality implies convexity?

2 votes
3 answers
400 views

Adding members of the Cantor set to get $[0,2]$ [duplicate]

2 votes
1 answer
117 views

Help with a complex integral

2 votes
2 answers
54 views

Question about integrating measures of pullbacks

2 votes
4 answers
1k views

A quick question about analytic functions on the unit disk with $Re(z) \leq 0$

2 votes
1 answer
733 views

Essential singularity HW question

2 votes
1 answer
2k views

Solutions to the equation $ze^{a-z}=1$

2 votes
2 answers
114 views

Handling a complex line integral (Homework)

2 votes
2 answers
182 views

Is the following function holomorphic?

2 votes
0 answers
63 views

Laplace transformation questions

2 votes
1 answer
285 views

Measure Theory - working with unusual measures and set functions

2 votes
1 answer
111 views

Basic question on interchanging limits and integrals

2 votes
4 answers
147 views

Looking for a hint on the following integration problem