Tag: operator theory

• Mon 01 November 2021 - Riesz Representation Identifies Hilbert-Space Functionals - updated: Sat 24 June 2023
• Tue 09 August 2022 - The Open Mapping Theorem Makes Surjective Operators Quantitatively Open
• Sat 10 August 2013 - Uniform Boundedness Turns Pointwise Bounds into an Operator-Norm Bound - updated: Fri 28 February 2020
• Thu 09 January 2014 - Banach's Fixed-Point Theorem Gives a Unique Contractive Fixed Point - updated: Thu 25 April 2019
• Tue 04 September 2018 - Hahn--Banach Extends a Bounded Functional without Growing Its Norm