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15
Math.TechQA.Club
2026-04-11 14:40:42
396
Views
About a uniformly integrable sequence of functions
Published on
11 Apr 2026 - 14:40
#measure-theory
#proof-verification
#proof-writing
#lebesgue-integral
666
Views
Implicit function theorem problem from Munkres Analysis on Manifolds text
Published on
09 Apr 2026 - 20:20
#real-analysis
#analysis
#multivariable-calculus
#proof-writing
91
Views
Implicit Function Theorem to solve $\frac{\partial u}{\partial x}$ when $f\big(x,y,u(x,y),v(x,y)\big)$ mapped to $\mathbb{R^2}$
Published on
13 Apr 2026 - 17:13
#real-analysis
#analysis
#multivariable-calculus
#proof-writing
91
Views
Assume $A \subset B$ and $A \neq \emptyset$. Prove $B \neq \emptyset$.
Published on
16 Apr 2026 - 5:33
#elementary-set-theory
#proof-verification
#proof-writing
250
Views
Proving $A' \cup B'=(A \cup B)'$
Published on
15 Apr 2026 - 2:50
#elementary-set-theory
#proof-verification
#proof-writing
60
Views
Verification and rigorousness of my own proof of transcendence of Liouville's number.
Published on
25 Mar 2026 - 9:29
#proof-verification
#proof-writing
#transcendental-numbers
80
Views
For $G:\mathbb{R^3} \to \mathbb{R}$, and $F:\mathbb{R^2} \to \mathbb{R}$ show $G(x,y,z)=F(x+2y+3z-1,x^3+y^2-z^2)=0$ can have $z=g(x,y)$
Published on
17 Apr 2026 - 3:00
#calculus
#real-analysis
#analysis
#multivariable-calculus
#proof-writing
172
Views
Proof Verification: If $A \subset B$ and $B \subset C$, then $ A \cup B \subset C$
Published on
20 Apr 2026 - 5:03
#elementary-set-theory
#proof-verification
#proof-writing
1.4k
Views
Have I used induction correctly in this proof of $x<y \implies x^n<y^n$?
Published on
14 Apr 2026 - 20:34
#proof-verification
#proof-writing
#induction
122
Views
how to demonstrate that $\lim_{x\to2}3x^2=12$ using $\gamma$ and $\epsilon$ definition
Published on
12 Apr 2026 - 6:31
#calculus
#limits
#proof-writing
#epsilon-delta
668
Views
Symmetric polynomial identities: $(x,y,z)^n$ in terms of $\sigma _1=x+y+z$, $\sigma _2 = xy+yz+xz$ and $\sigma _3 = xyz$
Published on
15 Apr 2026 - 16:23
#polynomials
#proof-writing
#substitution
#symmetry
#symmetric-polynomials
277
Views
Why are the number of roots of the characteristic equation of a PDE infinite?
Published on
16 Apr 2026 - 1:38
#algebra-precalculus
#proof-verification
#polynomials
#partial-differential-equations
#proof-writing
56
Views
Proof Verification: If $P(A \cup B) = P(A) \cup P(B)$, then either $A \subset B$ or $B \subset A$
Published on
16 Apr 2026 - 14:04
#elementary-set-theory
#proof-verification
#proof-writing
151
Views
Putnam and Beyond: Problem 87 (Matrices and algebra)
Published on
14 Apr 2026 - 1:35
#proof-verification
#proof-writing
#contest-math
1k
Views
Show that each connected component of a topological space $X$ is connected.
Published on
15 Apr 2026 - 4:11
#general-topology
#proof-verification
#proof-writing
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