Newbetuts

The tangent space $T_x \mathbb S^n$ consists of such points in $\mathbb R^{n+1}$ that are perpendicular to $x$

Polyak-Lojasiewicz (PL) inequality proof

Same minimal polynomial gives isomorphism

Using the Energy Method to show there exists at most one solution

Generalization of $\int_0^\alpha \sqrt{1+\cos^2\theta}\,d\theta>\sqrt{\alpha^2+\sin^2\alpha}$

$\frac{dS}{d\rho}$ Factor arising

Am I computing the centralizer of $(1, 2, 3)$ in $A_4$ correctly?

Nilradical of absolutely flat ring

Proving $|1 + z_1|^2 + |1 + z_2|^2 + \ldots + |1 + z_n|^2 = 2n$

If $f$ has an invertible derivative at some point $x$, then $f$ is 1-1 on some neighborhood of $x$.

Is this limit proof right?

Prove a density result in the usual Hilbert triple

Verify the limit of this succession

Limits of $ f(x,y) = y\ (1-x)^{y-2} $ reach contradiction

About $\mathring{A_1}\cup\mathring{A_2}\cup\mathring{A_3}=\mathring{\overbrace{A_1\cup A_2\cup A_3}}$

Scores achievable in a game of darts

Prove if, $2^n - 1$ is prime, then $n$ is prime. [duplicate]

New posts in solution-verification

Finding intergers $𝑛>2$ satisfying $𝑛^{𝑛−2}=k^{n}$

Proving two integers are relatively prime using Bezout's Theorem.

Birthday Paradox with Leap Year

The tangent space $T_x \mathbb S^n$ consists of such points in $\mathbb R^{n+1}$ that are perpendicular to $x$

Polyak-Lojasiewicz (PL) inequality proof

Same minimal polynomial gives isomorphism

Using the Energy Method to show there exists at most one solution

Generalization of $\int_0^\alpha \sqrt{1+\cos^2\theta}\,d\theta>\sqrt{\alpha^2+\sin^2\alpha}$

$\frac{dS}{d\rho}$ Factor arising

Am I computing the centralizer of $(1, 2, 3)$ in $A_4$ correctly?

Nilradical of absolutely flat ring

Proving $|1 + z_1|^2 + |1 + z_2|^2 + \ldots + |1 + z_n|^2 = 2n$

If $f$ has an invertible derivative at some point $x$, then $f$ is 1-1 on some neighborhood of $x$.

Is this limit proof right?

Prove a density result in the usual Hilbert triple

Verify the limit of this succession

Limits of $ f(x,y) = y\ (1-x)^{y-2} $ reach contradiction

About $\mathring{A_1}\cup\mathring{A_2}\cup\mathring{A_3}=\mathring{\overbrace{A_1\cup A_2\cup A_3}}$

Scores achievable in a game of darts

Prove if, $2^n - 1$ is prime, then $n$ is prime. [duplicate]