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15
Math.TechQA.Club
2026-04-10 04:52:40
1.8k
Views
How can $0.999\dots$ not equal $1$?
Published on
10 Apr 2026 - 4:52
#real-numbers
#nonstandard-analysis
416
Views
Juggling three non-Archimedean fields
Published on
10 May 2026 - 13:45
#abstract-algebra
#field-theory
#nonstandard-analysis
#ordered-fields
80
Views
Is the union of non-standard analogs of a family of sets a proper subset of the non-standard analog of the union of those sets?
Published on
29 Apr 2026 - 12:45
#proof-verification
#logic
#model-theory
#nonstandard-analysis
#nonstandard-models
180
Views
Does nonstandard analysis allow for a more powerful second derivative test?
Published on
12 Apr 2026 - 8:31
#calculus
#real-analysis
#optimization
#maxima-minima
#nonstandard-analysis
106
Views
Canonical hyperreal numbers
Published on
13 Apr 2026 - 0:33
#nonstandard-analysis
1.4k
Views
Completing the space of series so there is a slowest converging series
Published on
15 Apr 2026 - 1:33
#real-analysis
#sequences-and-series
#functional-analysis
#asymptotics
#nonstandard-analysis
149
Views
Norm on hyperreals ${^*\mathbb R}$ using the ultrafilter construction
Published on
11 Apr 2026 - 19:51
#normed-spaces
#filters
#nonstandard-analysis
432
Views
Nonstandard Complex Numbers
Published on
12 Apr 2026 - 3:50
#real-analysis
#complex-analysis
#logic
#set-theory
#nonstandard-analysis
168
Views
What does a hyperreal version of the Cantor Set look like?
Published on
10 May 2026 - 12:10
#set-theory
#ordinals
#nonstandard-analysis
#cantor-set
#transfinite-recursion
128
Views
In non-standard analysis, should we necessarily consider derivative as slope between two infinitesimally apart points?
Published on
11 Apr 2026 - 19:12
#calculus
#derivatives
#nonstandard-analysis
48
Views
What is $t_k$ in this context?
Published on
12 Apr 2026 - 12:32
#calculus
#algebra-precalculus
#polynomials
#factoring
#nonstandard-analysis
626
Views
Trouble understanding how the Transfer Principle is applied for the Extreme Value theorem.
Published on
10 May 2026 - 12:33
#calculus
#nonstandard-analysis
#extreme-value-theorem
256
Views
Loeb Measure construction in axiomatic approach to NSA
Published on
10 Apr 2026 - 9:12
#real-analysis
#measure-theory
#set-theory
#axioms
#nonstandard-analysis
229
Views
Definite integrals using infinitesimals in Keisler's book
Published on
13 Apr 2026 - 1:40
#calculus
#nonstandard-analysis
239
Views
The value of the infinitesimal in integral doesn't matter?
Published on
14 Apr 2026 - 14:32
#calculus
#integration
#nonstandard-analysis
#change-of-variable
#infinitesimals
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