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15
Math.TechQA.Club
2026-03-20 03:07:40
98
Views
How does this equality come between a point in $\mathbb R^n$ and combination of operators?
Published on
20 Mar 2026 - 3:07
#proof-explanation
#smooth-manifolds
#tangent-spaces
108
Views
Binomial coefficient identity found in Apéry's theorem
Published on
27 Mar 2026 - 23:31
#proof-explanation
#riemann-zeta
615
Views
Sequence of integers where no $3$ are in arithmetic progression
Published on
26 Mar 2026 - 20:39
#elementary-number-theory
#contest-math
#proof-explanation
119
Views
On Assumptions In Induction
Published on
27 Mar 2026 - 14:57
#algebra-precalculus
#induction
#proof-explanation
63
Views
understanding a bribing function in a second bid auction with one-round bribe
Published on
30 Jun 2018 - 13:01
#proof-explanation
#game-theory
72
Views
Definition of Base Formula
Published on
26 Mar 2026 - 20:38
#elementary-number-theory
#contest-math
#proof-explanation
35
Views
Concerning the Linearity of the adjoint of $T$
Published on
26 Mar 2026 - 1:11
#linear-algebra
#proof-explanation
#adjoint-operators
420
Views
How do you prove that $n^2-1$ is composite when $n>2$?
Published on
01 Jul 2018 - 15:41
#elementary-number-theory
#prime-numbers
#proof-explanation
195
Views
Prove that if $H$ is a subgroup of $G$, then the identity $e$ of $G$ is in $H$.
Published on
02 Jul 2018 - 1:56
#abstract-algebra
#group-theory
#proof-explanation
144
Views
Confusion on Laszlo Kalmar's PL completeness proof
Published on
26 Mar 2026 - 9:16
#logic
#proof-explanation
#alternative-proof
485
Views
Should I finish How to Prove it by Velleman or any other proof technique book before starting Stephen Abbott's Understanding Analysis?
Published on
27 Mar 2026 - 1:53
#real-analysis
#proof-verification
#proof-writing
#soft-question
#proof-explanation
178
Views
Showing that $\sqrt{\langle \mathbf{a}, \mathbf{a} \rangle}$ satisfies triangle inequality.
Published on
29 Mar 2026 - 15:14
#linear-algebra
#functional-analysis
#proof-explanation
#normed-spaces
#inner-products
320
Views
Explanation of a proof of the Second Sylow Theorem (Conjugation of Sylow p-subgroups)
Published on
25 Mar 2026 - 4:43
#abstract-algebra
#group-theory
#proof-explanation
#sylow-theory
338
Views
Theorem 1.14 (b) Rudin functional analysis, few clarifications.
Published on
25 Mar 2026 - 20:35
#functional-analysis
#proof-explanation
#topological-vector-spaces
652
Views
Proof: If $R\subseteq S$ then $R^*\subseteq S^*,$ which $R,S$ are relations.
Published on
25 Mar 2026 - 19:03
#discrete-mathematics
#proof-explanation
#relations
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