Free field realizations of the Date-Jimbo-Kashiwara-Miwa algebra
Abstract
We use the description of the universal central extension of the DJKM algebra sl(2, R) where R= C[t,t-1,u\,|\,u2=t4-2ct2+1 ] given in earlier work to construct realizations of the DJKM algebra in terms of sums of partial differential operators.
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