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15
Math.TechQA.Club
2026-04-12 20:44:53
53
Views
Standard notation for an unevaluated expression
Published on
12 Apr 2026 - 20:44
#functions
#notation
45
Views
(B)^I notation in topology
Published on
13 Apr 2026 - 21:26
#general-topology
#notation
40
Views
What notation should I use to denote the sum of multiples of k smaller than n
Published on
09 Apr 2026 - 22:23
#summation
#notation
#ceiling-and-floor-functions
32
Views
If $\widetilde{u}(x) = u(-x)$, what is $[\widetilde u]^2_s$?
Published on
16 Apr 2026 - 14:27
#real-analysis
#partial-differential-equations
#notation
#fractional-calculus
103
Views
Representing that I'm simplifying both sides of an equation
Published on
13 Apr 2026 - 3:34
#algebra-precalculus
#notation
170
Views
Do "over" and "of" imply the same thing in Set Theory?
Published on
12 Apr 2026 - 17:26
#elementary-set-theory
#notation
32
Views
"Small" image under a function.
Published on
14 Apr 2026 - 6:10
#functions
#elementary-set-theory
#notation
70
Views
$(F,f)$ as a pair consider as an "initial object" in definition about "free object" for non algebraic categories.
Published on
13 Apr 2026 - 23:11
#category-theory
#notation
#definition
#functors
44
Views
Correct understanding for the notation $GA,GA'$ in definition of free objects for non algebraic categories if $G$ is a forgetful functor?
Published on
15 Apr 2026 - 4:43
#category-theory
#notation
#definition
#functors
122
Views
To prove or disprove an union of two subspaces is a subspace if and only if an intersection of them within them
Published on
15 Apr 2026 - 9:39
#linear-algebra
#vector-spaces
#notation
31
Views
How to denote a particular kind of permutation on $(a_1, b_1), (a_2, b_2), \ldots, (a_n, b_n)$.
Published on
17 Apr 2026 - 7:13
#proof-writing
#notation
#permutations
#symmetric-groups
61
Views
Are $\cap A_n$ and $\cup A_n$ standard notations?
Published on
16 Apr 2026 - 5:31
#elementary-set-theory
#notation
51
Views
Alternative set notation
Published on
10 Apr 2026 - 18:18
#discrete-mathematics
#elementary-set-theory
#notation
26
Views
Notation for set of tuples where second element membership depends on first
Published on
14 Apr 2026 - 14:12
#elementary-set-theory
#notation
80
Views
Why is $\Omega$ used to denote the space of differential forms?
Published on
15 Apr 2026 - 6:10
#notation
#manifolds
#differential-forms
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