A Primer on Hilbert Space Theory: Linear Spaces, Topological Metric Normed and Groups (UNITEXT for Physics)

Fixed Point Theory and Functional Analysis: Metric Spaces, Banach Hilbert Spaces

A Physicist's Introduction to Algebraic Structures: Vector Spaces, Groups, Topological Spaces and More

Topological Riesz Spaces and Measure Theory

Introduction To Metric And Topological Spaces (Oxford Mathematics)