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In this paper, we study the following weighted elliptic system where is the unit ball centered at the origin, , , , . By virtue of variational approaches and rescaling methods, the system has a nontrivial ground state solution with , moreover, by reduction methods, the ground state solution is radial symmetry if small enough. 相似文献
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This paper deals with a coupled chemotaxis–Navier–Stokes system with logistic source and a fractional diffusion of order on three dimensional periodic torus . Since there is no classical solution in the three-dimensional full Navier–Stokes equations, our main purpose of this paper is to investigate the global existence of weak solutions to the above system in the case of a weaker diffusion, and after some waiting time, the weak solutions in fact become smooth and converge to the semi-trivial steady state 相似文献
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In this paper, we study the following chemotaxis system with signal-dependent motility, indirect signal consumption and logistic source under homogeneous Neumann boundary conditions in a smooth bounded domain , where the motility function on , , and . The purpose of this paper is to prove that if , then the system possesses a global solution. In addition, if satisfies then the solution satisfies 相似文献
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