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15
Math.TechQA.Club
2026-04-14 13:51:06
50
Views
Finitely generated module over non-unital ring
Published on
14 Apr 2026 - 13:51
#definition
#finitely-generated
#rngs
38
Views
The meaning of $f\in C^\infty$ using multi-index notation.
Published on
13 Apr 2026 - 5:00
#analysis
#functions
#definition
95
Views
Corepresentable functor definition.
Published on
25 Mar 2026 - 19:00
#category-theory
#definition
#representable-functor
82
Views
If the graph of a measurable function is dense in $[0,1]\times[0,1]$, can the pre-image of a non-measurable set be measurable?
Published on
13 Apr 2026 - 20:02
#measure-theory
#functions
#definition
#examples-counterexamples
28
Views
Multiple definition for the existence of the integral $\int_{-\infty}^{\infty} f(x) \, dx$ (In the Riemann Improper sense)
Published on
13 Apr 2026 - 20:37
#integration
#improper-integrals
#definition
#riemann-integration
292
Views
Does this explicit and bijective measurable function exist and satisfy my motivation?
Published on
10 Apr 2026 - 23:58
#real-analysis
#measure-theory
#functions
#definition
#examples-counterexamples
130
Views
'if' and 'if and only if' equivalence in mathematical definition
Published on
13 Apr 2026 - 19:58
#definition
#article-writing
46
Views
What does $D(D(f))=D(f)=C(D(f))$ it mean in the category of generalized monoid.
Published on
15 Apr 2026 - 18:13
#category-theory
#notation
#definition
#monoid
#functors
45
Views
Definitions involving Markov chains
Published on
13 Apr 2026 - 7:40
#probability
#stochastic-processes
#definition
#markov-chains
107
Views
Can the pre-image of a non-measurable subset of $[0,1]$ under the function $f:[0,1]\to[0,1]$, where the range of $f$ is $[0,1]$, be measurable?
Published on
13 Apr 2026 - 22:28
#measure-theory
#functions
#definition
#examples-counterexamples
73
Views
Why does the author define the integral of $f$ only for $f$ which is an $\mathcal{S}$-measurable function? Measure, Integration & Real Analysis Axler
Published on
14 Apr 2026 - 15:03
#real-analysis
#definition
#lebesgue-integral
108
Views
general definition of a transformation
Published on
09 Apr 2026 - 1:20
#terminology
#definition
250
Views
Does there exist an explicit and bijective function that satisfies the main question and motivation?
Published on
11 Apr 2026 - 14:33
#real-analysis
#measure-theory
#functions
#definition
43
Views
Defining function "constructability"
Published on
26 Mar 2026 - 19:14
#functions
#reference-request
#definition
#constructive-mathematics
70
Views
How to interpret {y | y = f(x) for some x ∈ X}; does it mean this can have a lesser cardinality than X?
Published on
14 Apr 2026 - 6:01
#elementary-set-theory
#definition
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