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15
Math.TechQA.Club
2026-04-02 08:46:09
146
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Definition of tangent vector
Published on
02 Apr 2026 - 8:46
#manifolds
#definition
61
Views
Definition of an integrand
Published on
29 Mar 2026 - 13:22
#complex-analysis
#analysis
#definition
#differential-forms
6.7k
Views
Lipschitz continuity of $f(x,y)=4x^2+xy-\frac{1}{y-1}$ on an open set $U \subset \mathbb{R} \times (\mathbb{R} \setminus \lbrace 1 \rbrace)$
Published on
29 Mar 2026 - 21:14
#real-analysis
#multivariable-calculus
#continuity
#definition
#self-learning
3.9k
Views
Alternative definition of hyperbolic cosine without relying on exponential function
Published on
26 Mar 2026 - 4:31
#trigonometry
#definition
#exponential-function
#hyperbolic-functions
800
Views
A doubt in the rigorous definition of limits.
Published on
17 Apr 2014 - 14:09
#calculus
#real-analysis
#limits
#definition
2.5k
Views
Integral definition of e
Published on
03 Apr 2026 - 9:09
#integration
#definition
#exponential-function
1.5k
Views
What is "the orbit of a permutation"? Is the term "orbit" consistent with that for group action?
Published on
27 Mar 2026 - 16:47
#abstract-algebra
#group-theory
#permutations
#definition
#group-actions
1.9k
Views
What is the definition of "disjoint cycles"?
Published on
17 Apr 2014 - 23:28
#abstract-algebra
#permutations
#definition
72
Views
Linear maps and matrix coefficients
Published on
18 Apr 2014 - 16:51
#linear-algebra
#matrices
#definition
128
Views
What is the definition of linearly independent subset of an abelian group?
Published on
27 Mar 2026 - 22:57
#abstract-algebra
#definition
#abelian-groups
2k
Views
Nonorientable surfaces: genus or demigenus?
Published on
28 Mar 2026 - 18:13
#reference-request
#manifolds
#definition
#surfaces
2.1k
Views
Lattice Definition
Published on
25 Mar 2026 - 21:44
#definition
#lattice-orders
#integer-lattices
1.1k
Views
Different ways to formally define trigonometric functions
Published on
19 Apr 2014 - 20:26
#calculus
#trigonometry
#definition
1.9k
Views
Notation for Partial Functions
Published on
19 Apr 2014 - 21:24
#functions
#definition
224
Views
"internal" definition of complete regularity?
Published on
25 Mar 2026 - 12:46
#general-topology
#definition
#separation-axioms
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