# Page history

## 24 September 2020

## 14 March 2020

## 13 March 2020

→Infinite-dimensional projective unitary representations: Bargmann's theorem

+3

no edit summary

+108

→Linear representations and projective representations

+24

## 12 February 2020

→Infinite-dimensional projective unitary representations: Bargmann's theorem

+309

→Infinite-dimensional projective unitary representations: Bargmann's theorem

+4

→First example: discrete Fourier transform

+26

choose either tilde or hat and stick with it...

+12

→Finite-dimensional projective unitary representations

+29

"differ by" is not the best terminology here; no differences are being taken

+45

→Examples of covers, leading to projective representations

-11

→Projective representations of Lie groups

+18

typo

m→First example: discrete Fourier transform

-24

→First example: discrete Fourier transform

+58

typo

m+1

typo

m+1

## 30 November 2019

## 12 October 2019

## 4 October 2019

## 17 March 2019

## 11 January 2019

## 15 November 2018

## 12 June 2018

## 24 January 2018

## 23 January 2018

→Finite-dimensional projective unitary representations: Finite-dimensional reps of compact groups are automatically unitary

+195

→Finite-dimensional projective unitary representations: Motivation for considering projective reps

+456

## 22 January 2018

→Examples of covers, leading to projective representations: Mentioned a few examples of the representations arising

+498

→Infinite-dimensional projective unitary representations: Bargmann's theorem

m+23

→Infinite-dimensional projective unitary representations: Bargmann's theorem: A bit more explanation of the theorem

+613

→Bargmann's theorem on infinite-dimensional projective unitary representations: Added a subsection heading

+81

## 20 January 2018

## 12 January 2018

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+5

→Finite-dimensional projective unitary representations

m+1

→Finite-dimensional projective unitary representations: Defined "projective unitary rep"

+260

→Finite-dimensional projective unitary representations

m+32

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+58

→Bargmann's theorem on infinite-dimensional projective unitary representations: Mentioned the infinite-dimensional nature of U(H)

+190

→Bargmann's theorem on infinite-dimensional projective unitary representations: Small clarifications

+113

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+14

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+18

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+40

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+16

## 11 January 2018

→Bargmann's theorem on infinite-dimensional projective unitary representations

m+36

→Bargmann's theorem on infinite-dimensional unitary representations

m+11

→First example: discrete Fourier transform

m+4

→Bargmann's theorem on infinite-dimensional unitary representations

m-5