Question

Defining a partial ordered set with a function

score 32 · Answer 1 · 2026-04-10 01:19:39

32

Views

Defining a partial ordered set with a function

Published on 10 Apr 2026 - 1:19

score 264 · Answer 2 · 2026-04-09 15:37:13

264

Views

Understanding the vertical line test of functions

Published on 09 Apr 2026 - 15:37

score 129 · Answer 3 · 2026-04-11 05:10:09

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

score 119 · Answer 4 · 2026-04-17 12:25:32

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

score 295 · Answer 5 · 2026-04-24 03:48:49

295

Views

Linear combination of matrix functions is invertible

Published on 24 Apr 2026 - 3:48

score 70 · Answer 6 · 2026-04-15 14:30:37

70

Views

Domain of $x^y$

Published on 15 Apr 2026 - 14:30

score 617 · Answer 7 · 2026-04-13 02:13:06

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

score 48 · Answer 8 · 2026-04-13 07:54:54

48

Views

Domain of two different functions and combined functions equation

Published on 13 Apr 2026 - 7:54

score 9.2k · Answer 9 · 2026-04-08 23:31:14

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

score 248 · Answer 10 · 2026-04-17 07:04:44

248

Views

Are there functions that satisfy the following properties?

Published on 17 Apr 2026 - 7:04

score 55 · Answer 11 · 2026-04-15 23:00:44

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

score 37 · Answer 12 · 2026-04-12 02:59:10

37

Views

Regarding whether one has a circular definition in the following case

Published on 12 Apr 2026 - 2:59

score 857 · Answer 13 · 2026-04-24 11:16:18

857

Views

Does every function have a graph?

Published on 24 Apr 2026 - 11:16

score 33 · Answer 14 · 2026-04-13 06:04:56

33

Views

Proof involving relation properties

Published on 13 Apr 2026 - 6:04

score 103 · Answer 15 · 2026-04-24 11:27:38

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

List Question

Defining a partial ordered set with a function

Understanding the vertical line test of functions

If the composition of a (strictly positive with compact domain) function with the logarithm is Lipschitz, then the function is Lipschitz.

find $f(99)$ where $2f(x-\frac{1}{x}) + f(\frac{1}{x}-x) = 3(x+\frac{1}{x})^2.$

Linear combination of matrix functions is invertible

Domain of $x^y$

Applying Inverse Function Theorem to open set $A$ to prove $f^{-1}:f(A) \to A$ is a differentiable map

Domain of two different functions and combined functions equation

Is it possible for the derivative of a function to grow arbitrarily faster than the function itself?

Are there functions that satisfy the following properties?

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

Regarding whether one has a circular definition in the following case

Does every function have a graph?

Proof involving relation properties

Injectivity and surjectivity of $f\colon P(X) \times P(Y) \to P(X \times Y)$

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