Twisted superYangians and their representations
Abstract
Starting with the superYangian Y(M|N) based on gl(M|N), we define twisted superYangians Y+(M|N) and Y-(M|N). Only Y+(M|2n) and Y-(2m|N) can be defined, and appear to be isomorphic one with each other. We study their finite-dimensional irreducible highest weight representations.
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