A Drinfeld type presentation of twisted Yangians

arXiv (Cornell University)（2023）

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摘要

We develop a Gauss decomposition approach to establish a Drinfeld type current presentation for Olshanski's twisted Yangians associated to the orthogonal Lie algebras (also called twisted Yangians of type AI), settling a longstanding open problem. We expect that this will open the door for finding current presentations for other twisted Yangians.

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drinfeld type presentation

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