Journal
ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS
Volume -, Issue 42, Pages 1-14Publisher
UNIV SZEGED, BOLYAI INSTITUTE
DOI: 10.1007/s10551-014-2167-y
Keywords
modified Boussinesq equation; bifurcation method; exact solutions
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Funding
- Science Foundation of Shaoguan University [201320501]
- Shaoguan Science and Technology Foundation [313140546]
- Guangdong Provincial culture of seedling of China [2013LYM0081]
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In this paper, we investigate the modified Boussinesq equation u(tt) - u(xx) - epsilon u(xxxx) - 3(u(2))(xx) + 3(u(2)u(x))(x) = 0. Firstly, we give a property of the solutions of the equation, that is, if 1 + u(x, t) is a solution, so is 1 - u(x, t). Secondly, by using the bifurcation method of dynamical systems we obtain some explicit expressions of solutions for the equation, which include kink-shaped solutions, blow-up solutions, periodic blow-up solutions and solitary wave solutions. Some previous results are extended.
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