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15
Math.TechQA.Club
2026-04-13 22:11:38
21
Views
An analytic function having no element of negative x-axis in its range
Published on
13 Apr 2026 - 22:11
#complex-analysis
21
Views
periodic functions, proof that lim x → + ∞ sin(x) does not exist
Published on
13 Apr 2026 - 11:32
#limits
#analysis
#functions
#periodic-functions
#constants
21
Views
Determine the sum of the last three elements of a line of the arithmetic triangle
Published on
12 Apr 2026 - 18:27
#geometry
21
Views
If $f: A \to B$ is a morphism with $f(I) \subset J \trianglelefteq B$, then there is $\tilde{f}: I/I^2 \to J/J^2$.
Published on
27 Mar 2026 - 14:03
#commutative-algebra
#quotient-spaces
#morphism
21
Views
Is a way to find a single solution for multiple regular expressions?
Published on
11 Apr 2026 - 6:24
#discrete-mathematics
#computer-science
#automata
#computational-mathematics
21
Views
For given matrix and eigenvalue prove that $\lim_{n \rightarrow \infty} \frac{x_n}{x_n + y_n + z_n} = \hat{x}_n$
Published on
13 May 2021 - 19:10
#linear-algebra
#eigenvalues-eigenvectors
#linear-transformations
21
Views
Showing continuity of specific functions (relations involved)
Published on
11 Apr 2026 - 22:46
#general-topology
#continuity
21
Views
Let $X$ be a metric space $\mathcal{G}$ an open subset of $X$ and $F \subset \mathcal{G}$ finite. Show that $\mathcal{G} \setminus F$ is open.
Published on
11 May 2021 - 12:05
#general-topology
21
Views
Is it true that for any rotation matrix $R(t)$, $(R(t)x)^T(\frac{d(R(t)x)}{dt}) = 0?$
Published on
14 Apr 2026 - 1:26
#matrices
#matrix-calculus
21
Views
Let $A = B^3((1,0,0),1) \cup B^3((-1,0,0),1)$ Show that $A$ is disconnected.
Published on
10 May 2021 - 12:00
#general-topology
21
Views
Total derivative. Combining two terms
Published on
08 Apr 2026 - 19:42
#partial-derivative
21
Views
Convergence of moments independent of specific element $x_0$ when paired with weak convergence?
Published on
09 May 2021 - 11:28
#probability-theory
#measure-theory
#lebesgue-integral
21
Views
$\underset{n \to \infty}{\text{lim}} (1-p)^{n-d-1}$, given $p = o(n^{-(d+1)/d})$, and $d \geq 0$ a constant.
Published on
06 May 2021 - 15:58
#limits
#solution-verification
#asymptotics
#approximation
21
Views
Give a reference of a text,pdf,anything , where geodesic passing by a certain point is calculated.
Published on
30 Mar 2026 - 10:20
#differential-geometry
#reference-request
#geodesic
21
Views
Simple probability question involving "either...or..." statement
Published on
09 Apr 2026 - 18:09
#probability
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