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Abstract
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We study the following nonlinear fractional Choquard equation:
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where
,
,
,
is the Riesz
potential with order
,
,
and
. By
specifying the ranges and interdependence of linear and nonlinear potentials, we achieve
the existence, convergence, concentration, and decay estimate of positive groundstates
for .
The multiplicity of semiclassical solutions is established via pseudoindex theory. The
existence of sign-changing solutions is constructed by minimizing the energy on
Nehari nodal set.
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Keywords
Fractional Choquard equation, pseudoindex, sign-changing
solution, concentration
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Mathematical Subject Classification 2010
Primary: 35J20
Secondary: 35R11
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Milestones
Received: 9 October 2018
Revised: 11 August 2019
Accepted: 13 August 2019
Published: 18 January 2020
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