Direct linearising transform for three-dimensional discrete integrable systems: the lattice AKP, BKP and CKP equations

Abstract

A unified framework is presented for the solution structure of three-dimensional discrete integrable systems, including the lattice AKP, BKP and CKP equations. This is done through the so-called direct linearising transform which establishes a general class of integral transforms between solutions. As a particular application, novel soliton-type solutions for the lattice CKP equation are obtained.

21 pages, 3 figures

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