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15
Math.TechQA.Club
2026-04-10 01:19:39
32
Views
Defining a partial ordered set with a function
Published on
10 Apr 2026 - 1:19
#functions
#order-theory
264
Views
Understanding the vertical line test of functions
Published on
09 Apr 2026 - 15:37
#functions
#intuition
129
Views
If the composition of a (strictly positive with compact domain) function with the logarithm is Lipschitz, then the function is Lipschitz.
Published on
11 Apr 2026 - 5:10
#calculus
#analysis
#functions
#lipschitz-functions
119
Views
find $f(99)$ where $2f(x-\frac{1}{x}) + f(\frac{1}{x}-x) = 3(x+\frac{1}{x})^2.$
Published on
17 Apr 2026 - 12:25
#functions
#contest-math
#rational-numbers
295
Views
Linear combination of matrix functions is invertible
Published on
24 Apr 2026 - 3:48
#linear-algebra
#matrices
#functions
70
Views
Domain of $x^y$
Published on
15 Apr 2026 - 14:30
#functions
617
Views
Applying Inverse Function Theorem to open set $A$ to prove $f^{-1}:f(A) \to A$ is a differentiable map
Published on
13 Apr 2026 - 2:13
#calculus
#analysis
#multivariable-calculus
#functions
#inverse
48
Views
Domain of two different functions and combined functions equation
Published on
13 Apr 2026 - 7:54
#functions
9.2k
Views
Is it possible for the derivative of a function to grow arbitrarily faster than the function itself?
Published on
08 Apr 2026 - 23:31
#calculus
#integration
#functions
#derivatives
248
Views
Are there functions that satisfy the following properties?
Published on
17 Apr 2026 - 7:04
#calculus
#real-analysis
#functions
#derivatives
#special-functions
55
Views
Show $f: S \to S$ st. $|f(x)-f(y)|≤ {1 \over 2}|x-y| ~\forall ~ x,y \in S$ where $S \subset \mathbb{R}$ is a finite subset, has a fixed point
Published on
15 Apr 2026 - 23:00
#functions
37
Views
Regarding whether one has a circular definition in the following case
Published on
12 Apr 2026 - 2:59
#functions
#elementary-set-theory
#definition
857
Views
Does every function have a graph?
Published on
24 Apr 2026 - 11:16
#functions
#elementary-set-theory
33
Views
Proof involving relation properties
Published on
13 Apr 2026 - 6:04
#functions
#relations
103
Views
Injectivity and surjectivity of $f\colon P(X) \times P(Y) \to P(X \times Y)$
Published on
24 Apr 2026 - 11:27
#functions
#elementary-set-theory
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