is a central extension of

5 triples
GPTKB property

Random triples
Subject Object
gptkb:affine_sl(2) loop algebra of sl(2)
gptkb:E8^(1) loop algebra of E8
gptkb:A_n^{(1)} loop algebra of sl(n+1)
gptkb:G_2^{(1)} loop algebra of G_2
gptkb:affine_A_n loop algebra of sl(n+1)