Geodesic
Strongly coupled B-type universal characters and hierarchies
Teoretičeskaâ i matematičeskaâ fizika, Tome 201 (2019) no. 3, pp. 371-381

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We construct a solution expressed in terms of Schur $Q$-functions of a strongly coupled B-type Kadomtsev–Petviashvili hierarchy. As a generalization of these functions, we introduce universal characters satisfying the bilinear equations of a new infinite-dimensional integrable system called the strongly coupled B-type universal character hierarchy.
Keywords: strongly coupled BKP hierarchy, Schur $Q$-function, B-type universal character, strongly coupled B-type universal character hierarchy. 
@article{TMF_2019_201_3_a5,
     author = {Chuanzhong Li},
     title = {Strongly coupled {B-type} universal characters and hierarchies},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {371--381},
     publisher = {mathdoc},
     volume = {201},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2019_201_3_a5/}
}
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Chuanzhong Li. Strongly coupled B-type universal characters and hierarchies. Teoretičeskaâ i matematičeskaâ fizika, Tome 201 (2019) no. 3, pp. 371-381. http://geodesic.mathdoc.fr/item/TMF_2019_201_3_a5/