Trigonometric Calogero-Moser System as a Symmetry Reduction of KP Hierarchy

Abstract

Trigonometric non-isospectral flows are defined for KP hierarchy. It is demonstrated that symmetry constraints of KP hierarchy associated with these flows give rise to trigonometric Calogero-Moser system.

15 pages, LaTeX, the talk at a Nato Advanced Research Workshop ``Integrable Hierarchies and Modern Physical Theories'' (NATO ARW-UIC 2000)