List questions from banach-fixed-point | MathQA

Applying fixed point theorem when function is implicit

Published on 09 Apr 2026 - 20:59

Finding the fixed point of $T(\phi)=\int_{0}^{x} \phi (t) dt$

Published on 16 Apr 2026 - 12:19

Prove that $E=\{x=(x_n)\in \ell^\infty(\Bbb N): (x_n)_n~~\text{is periodic}\}$ is not complete.

Published on 16 Apr 2026 - 14:30

Where can I find a detailed proof of the following proposition?

Published on 15 Apr 2026 - 2:12

Why $f(x)=\frac{1}{2}(x+\sqrt{x^2+1})$ is a pointwise contractive function?

Published on 17 Apr 2026 - 11:25

Fix points of strict contractions over limits

Published on 25 Mar 2026 - 23:10

Banach's fixed point theorem

Published on 25 Mar 2026 - 23:09