{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T15:12:13Z","timestamp":1648825933001},"reference-count":37,"publisher":"World Scientific Pub Co Pte Lt","issue":"07","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2009,7]]},"abstract":"<jats:p> In this paper, we consider two nonlinear equations u<jats:sub>t<\/jats:sub> - u<jats:sub>xxt<\/jats:sub> + 3u<jats:sup>2<\/jats:sup>u<jats:sub>x<\/jats:sub> = 2u<jats:sub>x<\/jats:sub>u<jats:sub>xx<\/jats:sub> + uu<jats:sub>xxx<\/jats:sub> and u<jats:sub>t<\/jats:sub> - u<jats:sub>xxt<\/jats:sub> + 4u<jats:sup>2<\/jats:sup>u<jats:sub>x<\/jats:sub> = 3u<jats:sub>x<\/jats:sub>u<jats:sub>xx<\/jats:sub> + uu<jats:sub>xxx<\/jats:sub> which are called modified forms of Camassa\u2013Holm and Degaperis\u2013Procesi equations, respectively. For given constant wave speed, we investigate the coexistence of multifarious explicit nonlinear wave solutions, solitary wave solution, peakon wave solution, singular wave solution, smooth periodic wave solution and singular periodic wave solution. Not only is the coexistence shown, but the concrete expressions are presented via the bifurcation method of dynamical systems. From our work it can be seen that these two equations possess a lot of similar properties, and the types of their explicit nonlinear wave solutions are more than that of Camassa\u2013Holm and Degaperis\u2013Procesi equations. Many previous results are our special cases. <\/jats:p>","DOI":"10.1142\/s0218127409024050","type":"journal-article","created":{"date-parts":[[2009,10,26]],"date-time":"2009-10-26T10:57:03Z","timestamp":1256554623000},"page":"2267-2282","source":"Crossref","is-referenced-by-count":11,"title":["COEXISTENCE OF MULTIFARIOUS EXPLICIT NONLINEAR WAVE SOLUTIONS FOR MODIFIED FORMS OF CAMASSA\u2013HOLM AND DEGAPERIS\u2013PROCESI EQUATIONS"],"prefix":"10.1142","volume":"19","author":[{"given":"ZHENGRONG","family":"LIU","sequence":"first","affiliation":[{"name":"Department of Mathematics, South China University of Technology, Guangzhou, Guangdong 510640, P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JIAN","family":"PAN","sequence":"additional","affiliation":[{"name":"School of Civil Engineering and Transportation, South China University of Technology, Guangzhou, Guangdong 510640, P. R. 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