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[en] Introducing an H-Hopf algebroid structure into Uq,p(sl-hat2), we investigate the vertex operators of the elliptic quantum group Uq,p(sl-hat2) defined as intertwining operators of infinite dimensional Uq,p(sl-hat2) modules. We show that the vertex operators coincide with the previous results obtained indirectly by using the quasi-Hopf algebra Bq,λ(sl-hat2). This shows a consistency of our H-Hopf algebroid structure even in the case with a nonzero central element
Journal
Journal of Physics. A, Mathematical and Theoretical (Online); ISSN 1751-8121; 
; v. 41(19); [12 p.]
; v. 41(19); [12 p.]