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15
Math.TechQA.Club
2026-04-10 02:57:03
100
Views
Question about the notation $X/A$ in topology
Published on
10 Apr 2026 - 2:57
#algebraic-topology
#notation
426
Views
Why isn't it mathematically rigorous to treat dx's and dy's as variables?
Published on
15 Apr 2026 - 17:33
#calculus
#limits
#derivatives
#notation
1.4k
Views
⋇ "Division Times" operator in Unicode (U+22C7)?
Published on
11 Apr 2026 - 5:06
#notation
#arithmetic
#binary-operations
804
Views
Notation for subring of quotient ring
Published on
13 Apr 2026 - 4:47
#abstract-algebra
#ring-theory
#notation
9.9k
Views
Notation of the square (or other power) of a function $f(x)$
Published on
19 Apr 2026 - 3:18
#functions
#soft-question
#notation
862
Views
If $\lim a_n$ does not exist, then does this mean that $\lim a_n\neq 0$?
Published on
17 Apr 2026 - 12:51
#notation
5.2k
Views
Given the function $f:[0,1]→[0,1]$; $f(x)=x^2$, check which one(s) of the properties it has.
Published on
14 Apr 2026 - 18:19
#functions
#discrete-mathematics
#notation
6.2k
Views
Is there a meaning to the notation "\arg \sup"?
Published on
11 Apr 2026 - 14:48
#real-analysis
#notation
#definition
#supremum-and-infimum
131
Views
set notation for vectors of unequal elements
Published on
16 Apr 2026 - 10:17
#notation
1.9k
Views
How could we formalize the introduction of new notation?
Published on
09 Apr 2026 - 3:22
#logic
#notation
51
Views
Notation of maximization in pseudocode
Published on
13 Apr 2026 - 5:46
#geometry
#notation
1.7k
Views
How to define a union(ish) operation on tuples
Published on
09 Apr 2026 - 0:39
#elementary-set-theory
#notation
109
Views
$E(X)$ versus $E(X|Y)$
Published on
17 Apr 2026 - 13:45
#probability
#notation
#expectation
93
Views
Hartshorne: Definition of $K^*$ where $K$ a function field of scheme.
Published on
10 Apr 2026 - 3:36
#algebraic-geometry
#field-theory
#notation
66
Views
How do I write $B = \left\{\left[\begin{smallmatrix} x \\ y \end{smallmatrix}\right] \in \boxed{?}| \ldots\right\}$ with proper notation
Published on
21 Apr 2026 - 15:55
#linear-algebra
#matrices
#elementary-set-theory
#soft-question
#notation
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