Full chains of twists for orthogonal algebras
Petr P. Kulish, Vladimir D. Lyakhovsky, Alexander A. Stolin
Abstract
We show that for some Hopf subalgebras in UF(so(M)) nontrivially deformed by a twist F it is possible to find the nonlinear primitive copies. This enlarges the possibilities to construct chains of twists. For orthogonal algebra U(so(M)) we present a method to compose the full chains with carrier space as large as the Borel subalgebra B(so(M)). These chains can be used to construct the new deformed Yangians.
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