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15
Math.TechQA.Club
2026-03-25 09:22:10
1.7k
Views
Generating multivariate Gaussian samples--Why does it work?
Published on
25 Mar 2026 - 9:22
#normal-distribution
#proof-explanation
#sampling
141
Views
An easy lemma in number theory
Published on
14 Mar 2018 - 20:54
#number-theory
#elementary-number-theory
#proof-explanation
147
Views
Theorem 33.4 ii: Ross, Elementary Analysis 2nd Edition
Published on
15 Mar 2018 - 1:10
#real-analysis
#integration
#proof-explanation
208
Views
How do you get to $e^x$ from $e$'s definition?
Published on
25 Mar 2026 - 14:39
#calculus
#limits
#exponential-function
#definition
#proof-explanation
459
Views
How might I prove that LCM$(m) \geq 2^m$?
Published on
19 Mar 2026 - 20:03
#number-theory
#proof-explanation
#least-common-multiple
2.7k
Views
Sieve of Eratosthenes : why $\sqrt n$ work?
Published on
25 Mar 2026 - 15:50
#elementary-number-theory
#prime-numbers
#proof-explanation
#prime-factorization
#sieve-theory
1.7k
Views
(Proof Check) Cosets: $aH=Ha$ if and only if $H=aHa^{-1}$ and question about coset multiplication
Published on
15 Mar 2018 - 18:25
#abstract-algebra
#group-theory
#proof-verification
#proof-explanation
838
Views
Show that for homomorphism $\phi:G\to H$, if $G_{1}$ is normal in $G$, then $\phi(G_{1})$ is normal in $H$.
Published on
25 Mar 2026 - 7:46
#group-theory
#proof-explanation
#normal-subgroups
#group-homomorphism
423
Views
How do I prove if a set of operations is complete?
Published on
25 Mar 2026 - 20:42
#proof-explanation
#boolean-algebra
#binary-operations
800
Views
Explanation for the proof of Minkowski's inequality, Theorem 3.5, Rudin's RCA
Published on
25 Mar 2026 - 1:20
#real-analysis
#analysis
#inequality
#proof-explanation
#integral-inequality
1k
Views
Prove that if $G$ is $k$-connected, then the join $K_1 + G$ is $(k + 1)$-connected
Published on
25 Mar 2026 - 16:39
#discrete-mathematics
#graph-theory
#proof-explanation
#connectedness
112
Views
Linear Algebra: Prove that if $T$ is a linear map from vector space $V$ to vector space $W$, then the range of $T$ is a subspace of $W$
Published on
16 Mar 2018 - 1:27
#linear-algebra
#proof-writing
#proof-explanation
2.3k
Views
Proof explanation of linearity property of Riemann integrable functions
Published on
25 Mar 2026 - 12:54
#real-analysis
#definite-integrals
#proof-explanation
#riemann-integration
477
Views
Can't understand the logical structure of Euclid's infinitely many primes proof in Rosen's book.
Published on
28 Mar 2026 - 11:54
#proof-verification
#logic
#prime-numbers
#proof-explanation
58
Views
Question about proof that $K_{3,3}$ is not a planar graph
Published on
27 Mar 2026 - 20:31
#graph-theory
#proof-explanation
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