Abstract
We give a full description of parabolic subgroups of GL n (š¯”½2) and present their properties. We show that all such subgroups are determined by a net of ideals. Using this result we prove that analogous statement is true for the Vershikā€“Kerov group ā€” the group consisting of infinite matrices having finite number of nonzero coefficients under the main diagonal.
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Communicated by T. Levagan.