Skip to main content
Mathematics

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.

earned this badge 21 times.
Trouble understanding the torus as a quotient space of the unit square.
Awarded Jul 10 at 22:43
Survival probability up to time $n$ in a branching process.
Awarded Mar 28 at 9:17
Simultaneously diagonalizing two $3\times 3$ commuting Hermitian matrices.
Awarded Mar 23 at 18:47
Freshman's dream: $(x+y)^p = x^p+y^p$ in a commutative ring of characteristic $p$ a prime.
Awarded Feb 6 at 1:12
Is the Hausdorff distance a metric on the set of closed bounded subsets?
Awarded Sep 16, 2023 at 12:22
Hitting time distribution of finite-state Markov chain
Awarded Sep 6, 2023 at 1:32
Equality between expressions for total variation distance between two discrete probability distributions.
Awarded Aug 17, 2023 at 17:04
Understanding a proof that $z\mapsto z^n$ is a covering map from $S^1$ to $S^1$
Awarded Jun 16, 2023 at 12:10
Motivations for and applications of Matroid Theory?
Awarded Jun 8, 2023 at 11:27
Show that every locally compact Hausdorff space is regular.
Awarded May 21, 2023 at 6:35
Computing the exponential generating function of the Bell numbers.
Awarded May 17, 2023 at 19:18
Proving that a compact Hausdorff space is a Baire space.
Awarded Jun 21, 2022 at 10:58
Unitary operators preserve the inner product between the vectors they act on.
Awarded Feb 21, 2022 at 11:46
How much algebra and how much topology is there in "algebraic topology?"
Awarded Feb 20, 2022 at 23:06
Proof verification: Product of two Hausdorff spaces is Hausdorff.
Awarded Oct 1, 2021 at 6:11
What exactly is a topological sum?
Awarded Sep 26, 2021 at 4:34
Motivation for definition of free group?
Awarded Jan 25, 2020 at 17:35
Doob decomposition of $|S_n|$ where $S_n$ is simple random walk.
Awarded Jul 31, 2019 at 13:10
What are some areas of research/industry involving stochastic processes that aren't finance-related?
Awarded Nov 25, 2018 at 5:45
How to brush up on calculus?
Awarded Dec 18, 2017 at 8:11
How to show that $L^p$ norm is monotone increasing?
Awarded Feb 28, 2017 at 23:34

Others with this badge