Introduction to Hilbert Space

The general principles of quantum theory are expressed in terms of observables (things that can be measured), which are represented by linear operators on a Hilbert space. This article gives a brief introduction to Hilbert space.

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Revision history

2022-10-23 (updated bibliography to include publication data instead of only arxiv link)
2022-06-11 (updated references to other articles in this series to link to html abstract pages instead of to pdfs. Didn't change the version number/date)
2022-04-30 (added a new section about bases, rewrote the section about separability, updated/added some references)
2022-03-02 (fixed inconsistent usage of the word "norm")
2022-03-01 (first version)

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updated 2025-02-25

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Introduction to Hilbert Space

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