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15
Math.TechQA.Club
2026-04-11 00:59:45
180
Views
What does $\{\infty\}$ mean?
Published on
11 Apr 2026 - 0:59
#real-analysis
#notation
#definition
#real-numbers
1.1k
Views
Homotopic, Same homotopy type, homotopy equivalent (Are they synonyms?)
Published on
16 Apr 2026 - 8:05
#algebraic-topology
#notation
#definition
124
Views
Are irrational numbers like π relationships which are established by some rule or criteria?
Published on
15 May 2026 - 4:15
#definition
#irrational-numbers
#pi
#constants
374
Views
definition of adjoint functors
Published on
17 Apr 2026 - 6:13
#category-theory
#definition
#adjoint-functors
#functors
930
Views
Edge notation and connectedness
Published on
26 Mar 2026 - 12:32
#definition
#graph-connectivity
95
Views
Quick question about definition of connectedness and compactness.
Published on
10 Apr 2026 - 13:33
#real-analysis
#metric-spaces
#definition
#compactness
#connectedness
61
Views
Can anyone point me references that address the difficulty in defining what is mathematics?
Published on
13 Apr 2026 - 5:13
#reference-request
#definition
#math-history
607
Views
Definition of meagre set
Published on
12 Apr 2026 - 14:56
#general-topology
#metric-spaces
#definition
#baire-category
159
Views
Transversal and on empty intersections.
Published on
13 Apr 2026 - 18:11
#linear-algebra
#differential-geometry
#definition
623
Views
Is 0 the absence of something?
Published on
09 Apr 2026 - 15:57
#soft-question
#definition
#philosophy
169
Views
Why is the differential of a differential 1-form (or the wedge product) defined as it is?
Published on
16 Apr 2026 - 15:27
#multivariable-calculus
#differential-geometry
#definition
43
Views
A Basis Theory Primer, Definition 1.4.
Published on
14 Apr 2026 - 5:05
#reference-request
#notation
#definition
81
Views
What is the sound of one argument permuting?
Published on
13 Apr 2026 - 16:13
#linear-algebra
#multivariable-calculus
#logic
#definition
#determinant
120
Views
Lie group definition
Published on
15 May 2026 - 15:31
#definition
#lie-groups
81
Views
Russell definition of continuity
Published on
10 Apr 2026 - 7:40
#continuity
#definition
#math-history
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