Geodesic
The Range of Group Algebra Homomorphisms
Canadian mathematical bulletin, Tome 40 (1997) no. 2, pp. 183-192

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DOI

A characterisation of the range of a homomorphism between two commutative group algebras is presented which implies, among other things, that this range is closed. The work relies mainly on the characterisation of such homomorphisms achieved by P. J. Cohen.
DOI : 10.4153/CMB-1997-022-6
Mots-clés : Primary: 43A22, secondary: 22B10, 46J99 
Kepert, Andrew G. The Range of Group Algebra Homomorphisms. Canadian mathematical bulletin, Tome 40 (1997) no. 2, pp. 183-192. doi: 10.4153/CMB-1997-022-6
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     title = {The {Range} of {Group} {Algebra} {Homomorphisms}},
     journal = {Canadian mathematical bulletin},
     pages = {183--192},
     year = {1997},
     volume = {40},
     number = {2},
     doi = {10.4153/CMB-1997-022-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-022-6/}
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