The Q-deformed SUC, BUC hierarchies and the multi-component generalizations

Author:

Wang Fei1ORCID,Zhu Min2ORCID,Yan Zhaowen1ORCID

Affiliation:

1. School of Mathematical Sciences, Inner Mongolia University, Hohhot, Inner Mongolia 010021, P. R. China

2. Department of Water Conservancy and Civil Engineering, Inner Mongolia Technical College of Mechanics and Electrics, Hohhot, Inner Mongolia 010070, P. R. China

Abstract

In this paper, we construct two kinds of [Formula: see text]-differential integrable hierarchies. The first one is the [Formula: see text]-universal character of B-type (BUC) and lattice [Formula: see text]-BUC hierarchies expressed by [Formula: see text]-shift operators. It is also shown that the lattice [Formula: see text]-BUC hierarchy reduces to the [Formula: see text]-BUC hierarchy with certain conditions. The other one is the [Formula: see text]-deformed generalized symplectic Schur functions and the [Formula: see text]-deformed generalized Q-functions defined by [Formula: see text]-derivative operators. By means of the [Formula: see text]-deformed vertex operators, the [Formula: see text]-deformed symplectic universal character (SUC) and BUC hierarchies have been presented. Moreover, it is proved that [Formula: see text]-deformed generalized symplectic Schur functions and generalized Q-functions are solutions of the [Formula: see text]-deformed SUC and BUC hierarchies, respectively. Meanwhile, by using multi-component tau functions, we establish the multi-component [Formula: see text]-deformed SUC and BUC hierarchies. In addition, based upon the discrete tau functions, the multi-component modified [Formula: see text]-deformed SUC and BUC hierarchies have been discussed.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Inner Mongolia Autonomous Region

Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region

Publisher

World Scientific Pub Co Pte Ltd

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