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New posts in proof-verification
$\lim x_n^{x_n}=4$ prove that $\lim x_n=2$ [duplicate]
calculus
sequences-and-series
proof-verification
Why does Rudin define $k = \frac{y^n-x}{n y^{n-1}}$ or $h < \frac{x - y^n}{n(y+1)^{n-1}}$ when he tries to prove that every real x has a nth root?
real-analysis
proof-verification
proof-writing
proof-explanation
alternative-proof
Proving that a group acting freely on a tree is a free group
group-theory
proof-verification
group-actions
trees
Is there a simpler proof of this fact in analysis?
real-analysis
calculus
limits
proof-verification
alternative-proof
Is this proof that all metric spaces are Hausdorff spaces correct?
general-topology
metric-spaces
proof-verification
Prove convexity when restricted to a line
proof-verification
convex-analysis
Separation in compact spaces
real-analysis
general-topology
proof-verification
continuity
Prove sum of the lengths of intervals in a finite covering of $\mathbb{Q}\cap [0,1]$ is $\geq 1$
real-analysis
measure-theory
proof-verification
lebesgue-measure
Prove that if $a_1 + a_2 + \ldots$ converges then $a_1+2a_2+4a_4+8 a_8+\ldots$ converges and $\lim na_n=0$
calculus
sequences-and-series
proof-verification
Eigenvalues of $MA$ versus eigenvalues of $A$ for orthogonal projection $M$
linear-algebra
matrices
inequality
proof-verification
eigenvalues-eigenvectors
Prove that $\text{rank } T = \operatorname{rank} T^2 \iff \operatorname{Im}T \cap \ker T = \{ \vec 0\}$
linear-algebra
proof-verification
linear-transformations
Is there such a thing as "finite" induction?
proof-verification
proof-writing
induction
find total number of maximal ideals in $\mathbb{Q}[x]/\langle x^4-1\rangle$.
abstract-algebra
proof-verification
ring-theory
field-theory
An alternative proof for Bertrand's Postulate when $n \ge 36$
elementary-number-theory
proof-verification
prime-numbers
factorial
Theorem 6.16 in Baby Rudin: $\int_a^b f d \alpha = \sum_{n=1}^\infty c_n f\left(s_n\right)$
real-analysis
integration
analysis
proof-verification
definite-integrals
Proof that sets are equal
proof-verification
elementary-set-theory
Integral $\int_0^\infty \frac{x-\sin x}{x^3(x^2+4)} dx$
integration
proof-verification
definite-integrals
Is a compact, simply-connected 3-manifold necessarily $S^3$ with $B^3$'s removed?
algebraic-topology
proof-verification
manifolds
differential-topology
Prove that $e$ is transcendental.
real-analysis
calculus
proof-verification
polynomials
transcendental-numbers
Show that $(L^{p},\|\|_{p})$ is a Banach space.
real-analysis
functional-analysis
measure-theory
proof-verification
lp-spaces
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