Editing Projective representation (section)

==References==
*{{citation|first=Valentine|last=Bargmann|title=On unitary ray representations of continuous groups|journal=[[Annals of Mathematics]]|volume=59|pages=1–46|year=1954|issue=1|doi=10.2307/1969831|jstor=1969831}}
*{{citation|title=Moonshine Beyond the Monster: The Bridge Connecting Algebra, Modular Forms and Physics|first=Terry|last= Gannon|publisher=Cambridge University Press|year= 2006|isbn=978-0-521-83531-2}}
*{{citation|first=Brian C.|last=Hall|title=Quantum Theory for Mathematicians|series=Graduate Texts in Mathematics|volume=267 |publisher=Springer|year=2013| isbn=978-1461471158}}
* {{Citation|first=Brian C.|last=Hall|title=Lie Groups, Lie Algebras, and Representations: An Elementary Introduction|edition= 2nd|series=Graduate Texts in Mathematics|volume=222|publisher=Springer|year=2015|isbn=978-3319134666}}
*{{citation|first=I.|last=Schur|authorlink=Issai Schur|title=Über die Darstellung der symmetrischen und der alternierenden Gruppe durch gebrochene lineare Substitutionen|year=1911|journal=[[Crelle's Journal]]|pages=155–250|volume=139|url=http://gdz.sub.uni-goettingen.de/no_cache/en/dms/load/img/?IDDOC=261150
}}
*{{citation|first=D. J.|last=Simms|title=A short proof of Bargmann's criterion for the lifting of projective representations of Lie groups|journal=Reports on Mathematical Physics|volume=2|pages=283–287|year=1971|issue=4|doi=10.1016/0034-4877(71)90011-5|bibcode=1971RpMP....2..283S}}

[[Category:Homological algebra]]
[[Category:Group theory]]
[[Category:Representation theory]]
[[Category:Representation theory of groups]]