A Remark on Nonlocal Symmetries for the CalogeroDegasperisIbragimovShabat Equation
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We consider the CalogeroDegasperisIbragimovShabat (CDIS) equation and find the complete set of its nonlocal symmetries depending on the local variables and on the integral of the only local conserved density of the equation in question. The Lie algebra of these symmetries turns out to be a central extension of that of local generalized symmetries.
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TY - JOUR AU - Artur Sergyeyev AU - Jan A. Sanders PY - 2003 DA - 2003/02/01 TI - A Remark on Nonlocal Symmetries for the CalogeroDegasperisIbragimovShabat Equation JO - Journal of Nonlinear Mathematical Physics SP - 78 EP - 85 VL - 10 IS - 1 SN - 1776-0852 UR - https://doi.org/10.2991/jnmp.2003.10.1.6 DO - 10.2991/jnmp.2003.10.1.6 ID - Sergyeyev2003 ER -