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15
Math.TechQA.Club
2026-04-25 11:28:57
81
Views
Cardinality of Set of All Sequences on $\omega$.
Published on
25 Apr 2026 - 11:28
#elementary-set-theory
#proof-explanation
#solution-verification
43
Views
For all $a,b,n \in \mathbb N$, $0 \leq n(a+b+1)-n^2 +b$
Published on
15 Apr 2026 - 20:30
#algebra-precalculus
#inequality
#induction
#proof-explanation
#natural-numbers
269
Views
Leinster's proof of "Representables preserve limits"
Published on
10 May 2026 - 20:51
#category-theory
#proof-explanation
#functors
#representable-functor
89
Views
Reflection of light from a vertex of of a cube to another
Published on
13 Apr 2026 - 3:32
#geometry
#proof-explanation
#contest-math
#euclidean-geometry
133
Views
A proof of existence of canonical divisors
Published on
11 May 2026 - 5:25
#algebraic-geometry
#proof-explanation
#function-fields
192
Views
Littlewood's Second Principle : Simple function is continuous on restricted domain
Published on
16 Apr 2026 - 6:36
#real-analysis
#sequences-and-series
#measure-theory
#proof-explanation
235
Views
Adjoint functors preserve limits/colimits
Published on
26 Mar 2026 - 4:49
#category-theory
#proof-explanation
#limits-colimits
#adjoint-functors
63
Views
Why is $\sum_{k = n^{3/4}}^{n/2} (e/n^{1/4})^k \leq n^{-n^{3/4}/5}$ for $n \to \infty$?
Published on
15 Apr 2026 - 20:43
#sequences-and-series
#proof-explanation
#estimation
46
Views
Why is $\sum_{k=1}^{n^{3/4}} e^{(1-\omega(n))k}k^{-k}e^{2k^2(\log n)/n} \leq 3e^{-\omega(n)}$?
Published on
15 Apr 2026 - 16:52
#proof-explanation
#estimation
71
Views
How do I prove that a sequence of functions is convergent?
Published on
12 Apr 2026 - 4:11
#real-analysis
#convergence-divergence
#proof-writing
#proof-explanation
#uniform-convergence
260
Views
Chebyshev's Inequality Proof Step
Published on
13 Apr 2026 - 21:40
#probability-theory
#inequality
#proof-explanation
67
Views
Derivation of M step in Gaussian EM-Algorithm (Maximize a given function for 2 parameters).
Published on
11 Apr 2026 - 11:40
#calculus
#statistics
#proof-writing
#proof-explanation
#machine-learning
63
Views
Proof of the limit for the sequence of function.
Published on
13 Apr 2026 - 15:54
#limits
#proof-explanation
#sequence-of-function
117
Views
Understanding proof of L'Hopital's Rule
Published on
09 Apr 2026 - 11:35
#calculus
#proof-explanation
168
Views
Added angle formula to solve this indefinite integral $\int\frac{2\cos x-\sin x}{3\sin x+5\cos x }\,dx$
Published on
15 Apr 2026 - 19:49
#calculus
#integration
#trigonometry
#proof-explanation
#indefinite-integrals
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