Kakutani fixed-point theorem

Brouwer fixed-point theorem

Banach space

Fixed point

Fixed-point theorem

Pure mathematics

Discrete mathematics

Functional equation

Differential equation

Applied mathematics

Schauder fixed point theorem

Stability (learning theory)

Variable (mathematics)

Computer science

Lp space

Eberlein–Šmulian theorem

Mathematics

Fixed-point property

Stability theorem

Mathematical analysis

Cauchy distribution

Picard–Lindelöf theorem

Machine learning

Acta Mathematica Scientia

The aim of this article is to prove a fixed point theorem in 2-Banach spaces and show its applications to the Ulam stability of functional equations. …

On a fixed point theorem in 2-Banach spaces and some of its applications