Coupled KdV equations of Hirota-Satsuma type
classification
solv-int
math-phmath.APmath.MPnlin.SI
keywords
casescoupledequationsintegrabilitycasecoefficientsconstructiondirect
read the original abstract
It is shown that the system of two coupled Korteweg-de Vries equations passes the Painlev\'e test for integrability in nine distinct cases of its coefficients. The integrability of eight cases is verified by direct construction of Lax pairs, whereas for one case it remains unknown.
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