Geodesic
Free-field resolutions of unitary representations of the $N=2$ Virasoro algebra: II. The butterfly resolution
Teoretičeskaâ i matematičeskaâ fizika, Tome 121 (1999) no. 2, pp. 244-257 Cet article a éte moissonné depuis la source Math-Net.Ru

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For unitary representations of the $N=2$ superconformal algebra, we construct a new type of resolution realized in a free-field space with two fermionic screening operators. 
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     author = {A. M. Semikhatov and B. L. Feigin},
     title = {Free-field resolutions of unitary representations of the $N=2$ {Virasoro} algebra: {II.~The} butterfly resolution},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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A. M. Semikhatov; B. L. Feigin. Free-field resolutions of unitary representations of the $N=2$ Virasoro algebra: II. The butterfly resolution. Teoretičeskaâ i matematičeskaâ fizika, Tome 121 (1999) no. 2, pp. 244-257. http://geodesic.mathdoc.fr/item/TMF_1999_121_2_a1/

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