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15
Math.TechQA.Club
2026-04-14 11:55:53
135
Views
The Petersburg game and fair game (Feller Vol.1)
Published on
14 Apr 2026 - 11:55
#probability-theory
#proof-explanation
#law-of-large-numbers
286
Views
Associative Law for infinitely many sets
Published on
14 Apr 2026 - 10:47
#elementary-set-theory
#proof-writing
#proof-explanation
#associativity
317
Views
Proof of the Rellich-Kondrachov theorem for compact Riemannian manifolds in Emmanuel Hebey's book
Published on
14 Apr 2026 - 9:20
#differential-geometry
#proof-explanation
#riemannian-geometry
#sobolev-spaces
476
Views
Show that F is well defined and continuous on $\mathcal{C}$, that $F(0)=0$ and $F(1)=1$
Published on
15 Apr 2026 - 14:42
#real-analysis
#proof-explanation
27
Views
Question regarding to a step of a proof of implying countable cases from finite cases
Published on
13 Apr 2026 - 12:00
#analysis
#measure-theory
#proof-explanation
#outer-measure
3.2k
Views
Corners are cut off from an equilateral triangle to produce a regular hexagon. Are the sides trisected?
Published on
16 Apr 2026 - 8:54
#geometry
#proof-explanation
40
Views
A question to a proof regarding to measurable functions with basic topology
Published on
09 Apr 2026 - 21:31
#measure-theory
#proof-explanation
#measurable-functions
446
Views
Petersen's proof of Weitzenböck identity
Published on
12 Apr 2026 - 1:33
#differential-geometry
#proof-explanation
#riemannian-geometry
#differential-forms
129
Views
The set $B$ is open in $\mathbb{R}^n$ and the inverse function $g : B \to A $ is of class $C^r$
Published on
15 Apr 2026 - 5:32
#real-analysis
#proof-explanation
84
Views
Understanding the proof of Proposition 10 in Ch.2 in Real analysis by Royden and Fitzpatrick "Fourth Edition "
Published on
20 Apr 2026 - 2:53
#real-analysis
#analysis
#measure-theory
#proof-explanation
#lebesgue-measure
37
Views
Let points $A(x,y)$ and $B(x + 1,y)$ be points in an $(m + 1)*(n + 1)$ lattice starting at $O(0,0)$ and ending at $P(m,n)$.
Published on
26 Mar 2026 - 19:02
#combinatorics
#proof-explanation
#combinations
#integer-lattices
#path-connected
1.4k
Views
For $a,b$ in abelian group $G$ of orders $m,n$ where $\gcd(m,n) = 1$, $|ab| = mn$.
Published on
16 Apr 2026 - 2:47
#group-theory
#proof-explanation
90
Views
Rotation Lemma explanation.
Published on
12 Apr 2026 - 13:31
#graph-theory
#proof-explanation
70
Views
If $\gcd(a,b) = 1$ and $a \mid c, b \mid c$, then $ab \mid c$
Published on
15 Apr 2026 - 0:32
#number-theory
#proof-explanation
111
Views
Do not understand this basic conditional probability
Published on
13 Apr 2026 - 11:28
#probability
#proof-explanation
#conditional-probability
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