University of Hertfordshire

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Twisted Yangians of small rank

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Original languageEnglish
Article number041703
Number of pages28
JournalJournal of Mathematical Physics
Early online date26 Apr 2016
Publication statusE-pub ahead of print - 26 Apr 2016


We study quantized enveloping algebras called twisted Yangians associated with the symmetric pairs of types CI, BDI, and DIII (in Cartan's classification) when the rank is small. We establish isomorphisms between these twisted Yangians and the well known Olshanskii's twisted Yangians of types AI and AII, and also with the Molev-Ragoucy reflection algebras associated with symmetric pairs of type AIII. We also construct isomorphisms with twisted Yangians in Drinfeld's original presentation.


Published by AIP Publishing.

ID: 15363092