Free field realizations of the Date-Jimbo-Kashiwara-Miwa algebra
classification
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algebradjkmrealizationscentralconstructdate-jimbo-kashiwara-miwadescriptiondifferential
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We use the description of the universal central extension of the DJKM algebra $\mathfrak{sl}(2, R)$ where $ R=\mathbb C[t,t^{-1},u\,|\,u^2=t^4-2ct^2+1 ]$ given in earlier work to construct realizations of the DJKM algebra in terms of sums of partial differential operators.
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