Famous Question - Badge - Mathematics Stack Exchange

Famous Question

Question with 10,000 views. This badge can be awarded multiple times.

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How to find the limit of $\frac{\ln(n+1)}{\sqrt{n}}$ as $n\to\infty$?

Awarded 56 mins ago

ConfusingCalc

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How to calculate the variance of the error term in least squares method for simple linear regression?

Awarded 6 hours ago

chesslad

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How to find generators in $U(n)$? [duplicate]

Awarded 13 hours ago

anamika kumari

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What does square subset and square union symbol mean?

Awarded 17 hours ago

MathNoobe

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Why does the subspace need to go through the origin?

Awarded 20 hours ago

usr

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Why is quadratic integer ring defined in that way?

Awarded yesterday

ringwith1

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How to come up with a recurrence relation?

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Ethan

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General condition that Riemann and Lebesgue integrals are the same

Awarded 2 days ago

user156043

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The ratio that the orthocenter divides an altitude into

Awarded 2 days ago

Abraham Zhang

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how to make parametric equation of cube

Awarded 2 days ago

vaiana

231 gold badge1 silver badge4 bronze badges

limit inferior and superior for sets vs real numbers

Awarded May 6 at 18:01

user957

3,4478 gold badges35 silver badges35 bronze badges

Expected value of the function of a random variable

Awarded May 6 at 11:52

Marc Ourens

8632 gold badges14 silver badges32 bronze badges

Solving $x^4-y^4=z^2$

Awarded May 6 at 1:52

Brhn

3531 gold badge3 silver badges10 bronze badges

Summations and integrals with no upper limits

Awarded May 5 at 19:45

YoTengoUnLCD

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Cubic splines better than quadratic splines?

Awarded May 5 at 5:56

connorwstein

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Reflecting coordinates over the line $x = -1$

Awarded May 4 at 20:37

Sabrin Z.

211 gold badge1 silver badge5 bronze badges

basic difference between canonical isomorphism and isomorphims

Awarded May 4 at 16:50

MAS

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A vector space over an infinite field is not a finite union of proper subspaces? [duplicate]

Awarded May 3 at 7:18

user219190

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Construct a field of 25 elements.

Awarded May 3 at 1:31

User9523

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Why is this series of square root of twos equal $\pi$?

Awarded May 2 at 16:21

chx

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When does convergence of function imply convergence of its derivative?

Awarded May 2 at 12:57

Ant

21.5k6 gold badges49 silver badges104 bronze badges

The measurability of convex sets

Awarded May 2 at 12:07

cjr

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What is the purpose of K-Theory?

Awarded May 2 at 11:35

kryomaxim

2,9302 gold badges14 silver badges27 bronze badges

Law of composition

Awarded May 2 at 11:35

user50229

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What is the order of the sum of log x?

Awarded May 2 at 3:47

Rob Hyndman

2191 gold badge2 silver badges8 bronze badges

Solving Logs different bases?

Awarded May 1 at 17:07

Revinous

391 gold badge3 silver badges9 bronze badges

Pile splitting problem (Proof by induction)

Awarded Apr 30 at 21:15

Keith Axelrod

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Why isn't the Weierstrass function $\sum_{n=0}^\infty a^n \cos(b^n\pi x)$ differentiable?

Awarded Apr 30 at 19:56

stats_noob

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Online resources for learning Mathematics [closed]

Awarded Apr 30 at 19:22

Paul B

8082 gold badges13 silver badges10 bronze badges

Show that if $f$ is analytic in a domain $D$ and $|f(z)|$ is constant in $D$, then the function $f(z)$ is constant in $D$

Awarded Apr 30 at 15:37

Itsnhantransitive

1,5723 gold badges18 silver badges36 bronze badges

Motivation for Tom Lehrer's song "Lobachevsky"?

Awarded Apr 30 at 13:54

Mikhail

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Show that the set of polynomials with rational coefficients is countable.

Awarded Apr 30 at 10:32

Alex

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What is an example of a lambda-system that is not a sigma algebra?

Awarded Apr 30 at 9:50

Neil G

2,5873 gold badges28 silver badges39 bronze badges

Every vector space has a basis proof using Zorn's lemma in linear algebra

Awarded Apr 30 at 5:43

user39206

1531 gold badge1 silver badge4 bronze badges

MLE of Negative Binomial Distribution

Awarded Apr 30 at 0:10

user7802048

1,2752 gold badges12 silver badges20 bronze badges

Expected value of $g(X)$.

Awarded Apr 29 at 21:17

Frank Vel

5,4898 gold badges41 silver badges68 bronze badges

Median of discrete and continuous random variables.

Awarded Apr 29 at 19:48

Zephyr

1,2032 gold badges18 silver badges34 bronze badges

Exclusive OR a set with itself

Awarded Apr 29 at 14:04

Jabernet

1,7506 gold badges25 silver badges52 bronze badges

Good book for Riemann Surfaces

Awarded Apr 29 at 12:55

math.grad

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Volume of truncated prism

Awarded Apr 28 at 17:25

Bananach

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Euler's Solution of Seven Bridges of Königsberg in Layman Terms

Awarded Apr 28 at 16:08

blackened

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Find the area of a triangle with one side and 3 angles given.

Awarded Apr 28 at 14:51

Mike Smith

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Proof of infinitely many prime numbers [duplicate]

Awarded Apr 27 at 23:57

Kurt Mueller

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What is the reason for the "left to right" rule?

Awarded Apr 27 at 21:52

WoJ

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two dimensional heat equation

Awarded Apr 27 at 20:26

Rosa Maria Gtz.

3,8863 gold badges28 silver badges55 bronze badges

Prove the intersection of regular languages is regular.

Awarded Apr 27 at 7:52

user281766

331 gold badge1 silver badge3 bronze badges

Projection of Gaussian distribution along a vector.

Awarded Apr 26 at 19:35

rrr

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Find the marginal distributions (PDFs) of a multivariate normal distribution

Awarded Apr 26 at 18:57

nullgeppetto

3,1463 gold badges23 silver badges52 bronze badges

Vector triple product: BAC-CAB rule

Awarded Apr 26 at 9:35

The Pointer

4,63621 gold badges105 silver badges218 bronze badges

Derivation of formula for shortest distance between two skew lines.

Awarded Apr 25 at 17:35

Tushar

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Let A be the set of all sequences of 0’s and 1’s (binary sequences). Prove that A is uncountable using Cantor's Diagonal Argument.

Awarded Apr 25 at 1:36

user21

3351 gold badge4 silver badges13 bronze badges

Be greater than average joke

Awarded Apr 24 at 13:11

Jimmyt1988

2191 gold badge3 silver badges7 bronze badges

Difference between $\mathbb{Z}/n\mathbb{Z}$ and $\mathbb{Z}_n$

Awarded Apr 24 at 7:42

d4rk_1nf1n1ty

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Why is finding the roots of a polynomial equation so important? What is to gain? [duplicate]

Awarded Apr 22 at 21:35

hubble

6393 gold badges7 silver badges11 bronze badges

Calculating a 3 Circle Venn Diagram only knowing A, B, and C?

Awarded Apr 22 at 16:48

Noob002

651 gold badge1 silver badge6 bronze badges

$ (\mathbb{Z}, +) $ is a cyclic group. But who generates $0$ (zero) element?

Awarded Apr 22 at 15:00

ITChristian

8551 gold badge6 silver badges15 bronze badges

Given two parallel line segments, how do I tell if and where they overlap?

Awarded Apr 22 at 0:46

HappyEngineer

1751 gold badge3 silver badges12 bronze badges

Wave Equation with One Non-Homogeneous Boundary Condition

Awarded Apr 21 at 20:09

wjmolina

6,3307 gold badges47 silver badges97 bronze badges

Eigenvalues of projection matrix proof

Awarded Apr 21 at 15:32

CAMERON HENDRIKS

2432 gold badges5 silver badges13 bronze badges

Proving all primes are 1 or -1 modulo 6 [duplicate]

Awarded Apr 21 at 14:35

Mathmo

4,9837 gold badges44 silver badges79 bronze badges

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