Geodesic
Representations of the Twisted Heisenberg–Virasoro Algebra at Level Zero
Canadian mathematical bulletin, Tome 46 (2003) no. 4, pp. 529-537

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DOI

We describe the structure of the irreducible highest weight modules for the twisted Heisenberg–Virasoro Lie algebra at level zero. We prove that either a Verma module is irreducible or its maximal submodule is cyclic.
DOI : 10.4153/CMB-2003-050-8
Mots-clés : 17B68, 17B65 
Billig, Yuly. Representations of the Twisted Heisenberg–Virasoro Algebra at Level Zero. Canadian mathematical bulletin, Tome 46 (2003) no. 4, pp. 529-537. doi: 10.4153/CMB-2003-050-8
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     title = {Representations of the {Twisted} {Heisenberg{\textendash}Virasoro} {Algebra} at {Level} {Zero}},
     journal = {Canadian mathematical bulletin},
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     year = {2003},
     volume = {46},
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     doi = {10.4153/CMB-2003-050-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2003-050-8/}
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