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15
Math.TechQA.Club
2026-03-29 09:10:17
94
Views
Is this a sign for dot product?
Published on
29 Mar 2026 - 9:10
#linear-algebra
#vector-spaces
#notation
#vectors
249
Views
Any way to mathematically express the set of all argmin(f(x))?
Published on
28 Mar 2026 - 6:28
#optimization
#notation
#nonlinear-optimization
#maxima-minima
954
Views
How to use basis vectors defined as partial derivative operators?
Published on
28 Mar 2026 - 7:04
#differential-geometry
#notation
#convention
906
Views
How to properly read the … operator in this context?
Published on
21 Jul 2018 - 2:06
#algebra-precalculus
#polynomials
#notation
3.3k
Views
Coordinate free definition of $\nabla$ operator
Published on
29 Mar 2026 - 10:48
#differential-geometry
#notation
#vectors
123
Views
How should I write this function $f:\mathcal P_{fin}(\omega^{<\omega})\to \mathcal P_{fin}(\omega^{<\omega})$?
Published on
25 Mar 2026 - 14:27
#elementary-set-theory
#notation
#terminology
#ordinals
31.2k
Views
What does the notation inf{...} mean?
Published on
26 Mar 2026 - 4:28
#notation
#supremum-and-infimum
115
Views
How is the notation $\{ \, . \} $ read in Mathematics
Published on
28 Mar 2026 - 10:14
#notation
#terminology
4.2k
Views
Kronecker delta: in $3-$ dimension $\delta_{ii}=3$
Published on
25 Mar 2026 - 7:55
#notation
#index-notation
185
Views
Understanding this math notation in probability?
Published on
22 Jul 2018 - 6:28
#probability
#statistics
#notation
1.5k
Views
What does an equal sign mean in a parenthesis?
Published on
22 Jul 2018 - 13:04
#notation
207
Views
What do $\cup_{A\in B}A$ and $\{T_A\}_{A\in B}$ mean?
Published on
23 Jul 2018 - 12:38
#elementary-set-theory
#notation
981
Views
Express the inertia group in terms of the maximal unramified extension
Published on
28 Mar 2026 - 23:59
#abstract-algebra
#notation
#galois-theory
#algebraic-number-theory
#extension-field
843
Views
What does it mean if a representation "factors through a group"?
Published on
27 Mar 2026 - 16:38
#abstract-algebra
#group-theory
#notation
#representation-theory
#galois-theory
55
Views
How to express a function mapping an integer to the multiple $3$-dimensional space?
Published on
23 Jul 2018 - 14:17
#functions
#notation
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