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15
Math.TechQA.Club
2026-03-25 17:18:16
1.7k
Views
The definition of the empty string.
Published on
25 Mar 2026 - 17:18
#definition
#computer-science
#automata
77
Views
Logic definitions
Published on
24 Feb 2019 - 4:20
#logic
#definition
99
Views
What is the minimal structure required to talk about “directionality” and “angles”?
Published on
24 Feb 2019 - 11:29
#general-topology
#vector-spaces
#definition
#inner-products
2.7k
Views
Could prime numbers be defined like this?
Published on
25 Mar 2026 - 20:59
#number-theory
#elementary-number-theory
#prime-numbers
#definition
#conjectures
469
Views
Understanding the definition of "proper maps" in Differential Topology by Guillemin and Pollack
Published on
29 Mar 2026 - 7:00
#definition
#differential-topology
#intuition
123
Views
How to verbalise ':' in a definition?
Published on
28 Mar 2026 - 0:17
#definition
#pronunciation
1.3k
Views
Kernel and image of matrix: What are they? Why do they exist?
Published on
25 Mar 2026 - 1:41
#linear-algebra
#matrices
#definition
#intuition
#motivation
84
Views
comparative definitions of category and set
Published on
25 Feb 2019 - 13:08
#category-theory
#set-theory
#definition
49
Views
Tweak the definition of filter in textbook Introduction to Set Theory 3rd by Hrbacek and Jech
Published on
25 Feb 2019 - 14:10
#definition
#filters
3.7k
Views
What is a directed acyclic graph (DAG)?
Published on
25 Mar 2026 - 14:20
#graph-theory
#definition
#directed-graphs
281
Views
Name for integrals where the integral is divided by the range of integration?
Published on
28 Mar 2026 - 7:51
#real-analysis
#calculus
#definition
#stochastic-calculus
327
Views
How do the chain maps $f_\sharp$ induce a homomorphism $f_*:H_n(X) \to H_n(Y)$?
Published on
26 Feb 2019 - 17:08
#algebraic-topology
#definition
#homology-cohomology
#homological-algebra
345
Views
What is the connection between regularity structure and rough path theory?
Published on
25 Mar 2026 - 8:07
#stochastic-processes
#soft-question
#definition
#stochastic-differential-equations
387
Views
A positive integer "modulo a sequence".
Published on
27 Feb 2019 - 23:36
#sequences-and-series
#elementary-number-theory
#modular-arithmetic
#terminology
#definition
1.6k
Views
Is there such a thing as direct product of an infinite number of groups?
Published on
26 Mar 2026 - 3:01
#abstract-algebra
#group-theory
#definition
#direct-product
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