In this paper, by using the variational methods, we consider the existence of nontrivial solitary wave for a generalized Kadomtsev-Petviashvili equation with a constant potential and a periodic potential in $ \mathbb {R}<^>{2} $ R2, respectively. In our problem, the nonlinear term f is only continuous, which allows to consider larger classes of nonlinearities than usually assumed.
机构:
Tsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R China
Cent Univ Nationalities, Dept Math Sci, Beijing 100081, Peoples R ChinaTsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R China
He, Xiaoming
Zou, Wenming
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机构:
Tsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R China