With appropriate hypotheses on the nonlinearity f, we prove the existence of a ground state solution u for the problem (-Delta + m(2))(sigma) u + Vu = (W * F(u)) f (u) in R-N, where 0 < sigma < 1, V is a bounded continuous potential and F the primitive of f. We also show results about the regularity of any solution of this problem. (C) 2018 Elsevier Inc. All rights reserved.
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Beihang Univ BUAA, Sch Math Sci, Beijing 100083, Peoples R ChinaBeihang Univ BUAA, Sch Math Sci, Beijing 100083, Peoples R China
Dai, Wei
Qin, Guolin
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Chinese Acad Sci, Inst Appl Math, Beijing 100190, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaBeihang Univ BUAA, Sch Math Sci, Beijing 100083, Peoples R China
Qin, Guolin
Wu, Dan
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Hunan Univ, Coll Math, Changsha 410082, Peoples R ChinaBeihang Univ BUAA, Sch Math Sci, Beijing 100083, Peoples R China