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Darrin's user avatar
Darrin's user avatar
Darrin
  • Member for 10 years, 6 months
  • Last seen more than 9 years ago
  • Iowa
31 votes

Self-studying real analysis — Tao or Rudin?

24 votes

Lebesgue Integral of Non-Measurable Function

10 votes
Accepted

Formal definition of a random variable

7 votes
Accepted

Definition of the Lebesgue integral in terms of simple functions with finite measure support

7 votes

Adding fractions is not at all obvious

5 votes

A problem in Sigma algebra

4 votes
Accepted

The limit of reciprocal is the reciprocal of the limit

4 votes

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

4 votes
Accepted

Explanation Borel set

3 votes
Accepted

Branch points and Branch cut of $f(z) = \log(z^2)$

3 votes

Prove or disprove : Complement of $\mathbb N \times \mathbb N$ is open and connected?

3 votes

Motivational example for complex numbers

2 votes

Decision Calculus text

2 votes
Accepted

A (non)-counterexample to Fubini's Theorem

2 votes
Accepted

Evaluate $\oint_c {4z - 1}\,dz$ along the circle $|z| = 1$

2 votes

Strangest Notation?

1 vote
Accepted

Real analysis "theory book" similar to Andreescu's Problems in Real Analysis: Advanced Calculus on the Real Axis

1 vote

Prove $\sum_{n=1}^{\infty}|a_{n}b_{n}|$ converges if $\sum_{n=1}^{\infty}a_{n}^{2}$ and $\sum_{n=1}^{\infty}b_{n}^{2}$ converge

1 vote

Find an antiderivative for $\sqrt{z}$

1 vote

Prove that $\frac{d(\log(x))}{dx}=\frac{1}{x}$

1 vote

Given any real numbers $x \gt 0$ and $r \gt 1$ there exists $m \in \Bbb N$ such that $\frac 1 {r^m} \lt x$

1 vote
Accepted

eliminate parametric parameter to determine the Cartesian equation.

1 vote

Finding Laurent expansion of $\frac{2}{(2z-3)(z-5)}$.

1 vote

An empty set minus a nonempty set and the difference between two disjoint nonempty sets?

1 vote
Accepted

How many ways can the school choose a President Vice President?

1 vote

Joint pdf of $f(x,y)=e^{-(x+y)}$

1 vote

Motivation for $y(x - y) = \frac{1}{2}(x^2 - y^2) - \frac{1}{2}(x-y)^2$

1 vote

countable or not countable

0 votes

How would you solve for $x$ in $7^{x}=5^{x-4}$?

0 votes

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