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15
Math.TechQA.Club
2026-04-14 07:19:49
65
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How do I write $B = \left\{\left[\begin{smallmatrix} x \\ y \end{smallmatrix}\right] \in \boxed{?}| \ldots\right\}$ with proper notation
Published on
14 Apr 2026 - 7:19
#linear-algebra
#matrices
#elementary-set-theory
#soft-question
#notation
1.6k
Views
What does 'dissipative PDE' means?
Published on
13 Apr 2026 - 3:24
#partial-differential-equations
#soft-question
#dynamical-systems
61
Views
Metric and harmonic map (or map between manifolds)
Published on
15 Apr 2026 - 5:04
#differential-geometry
#soft-question
#riemannian-geometry
564
Views
Are there ways to build mathematics without axiomatizing?
Published on
10 Apr 2026 - 18:23
#logic
#soft-question
#philosophy
140
Views
Brief overview of the foundations of math?
Published on
10 Apr 2026 - 23:20
#real-analysis
#soft-question
#set-theory
#real-numbers
1.2k
Views
Biggest Unsolved Problems In Graph Theory ( a la Riemann Hypothesis to Number Theory)
Published on
10 Apr 2026 - 23:19
#graph-theory
#soft-question
#open-problem
228
Views
A 3-valued mathematical logic?
Published on
08 Apr 2026 - 13:54
#combinatorics
#logic
#soft-question
#puzzle
2k
Views
Mathematics and Perfectionism?
Published on
15 Apr 2026 - 13:09
#soft-question
294
Views
What subbase generates metric topology?
Published on
12 Apr 2026 - 5:29
#general-topology
#soft-question
#metric-spaces
#definition
157
Views
Simple question: Which is the Wikipedia definition of axiom of choice
Published on
13 Apr 2026 - 10:05
#soft-question
#definition
#axiom-of-choice
600
Views
What is the point of making dx an infinitesimal hyperreal?
Published on
13 Apr 2026 - 13:34
#soft-question
#nonstandard-analysis
#infinitesimals
156
Views
Writing Math: Is using both $e^x$ and $\exp(x)$ ok for longer works?
Published on
13 Apr 2026 - 15:29
#soft-question
#notation
#article-writing
149
Views
Does anyone know a no-nonsense intro to "logic for mathematics" that I can give to a Year 11 student?
Published on
14 Apr 2026 - 6:15
#logic
#reference-request
#soft-question
#education
281
Views
What are interesting functions in 2D that vary visually as compositionality increases?
Published on
10 Apr 2026 - 10:34
#functions
#multivariable-calculus
#soft-question
456
Views
Simple examples for motivation of topology
Published on
10 Apr 2026 - 5:41
#general-topology
#soft-question
#motivation
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