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15
Math.TechQA.Club
2026-04-12 07:55:37
6.2k
Views
What is the difference between $x \bmod y$ and $x \pmod y$?
Published on
12 Apr 2026 - 7:55
#notation
185
Views
Notation in Munkres' Elements of Algebraic Topology
Published on
13 Apr 2026 - 3:53
#notation
196
Views
Direct sum notation: $G = \bigoplus_{\alpha < \beta}\mathbb Zx_{\alpha}.$
Published on
17 Apr 2026 - 9:45
#abstract-algebra
#notation
#abelian-groups
20.2k
Views
Is there a mathematical operator to truncate negative values to zero?
Published on
10 Apr 2026 - 4:27
#notation
50
Views
If $A$ is a set and $\mathcal B$ is a set of sets, is there some shorthand for $\left\{A\times B:B\in\mathcal B\right\}$?
Published on
17 Apr 2026 - 15:35
#elementary-set-theory
#notation
476
Views
What is the meaning of the notation of function
Published on
10 Apr 2026 - 17:34
#functions
#notation
#linear-transformations
2.2k
Views
Confused between cyclic sum and symmetric sums.
Published on
09 Apr 2026 - 2:59
#combinatorics
#algebra-precalculus
#summation
#notation
#terminology
352
Views
Set theory formula
Published on
07 Apr 2026 - 23:33
#elementary-set-theory
#notation
15.9k
Views
What is the bar symbol over a complex scalar in the expression $\overline{\lambda}$?
Published on
29 Apr 2026 - 20:19
#linear-algebra
#vector-spaces
#complex-numbers
#notation
#definition
834
Views
Help understanding Product (capital PI) notation
Published on
09 Apr 2026 - 14:39
#notation
#interpolation
7.4k
Views
Does the symbol $\nabla^2$ has the same meaning in Laplace Equation and Hessian Matrix?
Published on
11 Apr 2026 - 13:10
#calculus
#notation
#laplacian
228
Views
Notation: determinant of Jacobian matrix
Published on
11 Apr 2026 - 23:02
#differential-geometry
#algebraic-topology
#notation
#volume
1.2k
Views
What do these symbols mean in equations 4 and 5 on this page?
Published on
16 Apr 2026 - 16:40
#algebra-precalculus
#notation
67
Views
Separability in Algebra and Topology
Published on
26 Mar 2026 - 6:33
#general-topology
#notation
#meta-math
6k
Views
Set Notation with exponent
Published on
12 Apr 2026 - 11:05
#functions
#elementary-set-theory
#notation
#exponentiation
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