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Symmetry and regularity of positive solutions to integral systems with Bessel potential

机译:具有Bessel势的积分系统正解的对称性和正则性

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In this paper, we are concerned with the symmetry and regularity of positive solutions of the following integral system: u ( x ) = ∫ R n G α ( x ? y ) w r ( y ) v q ( y ) | y | β d y , v ( x ) = ∫ R n G α ( x ? y ) u p ( y ) w r ( y ) | y | β d y , w ( x ) = ∫ R n G α ( x ? y ) u p ( y ) v q ( y ) | y | β d y , where G α ( x ) is the α th-order Bessel kernel, n ≥ 3 , 0 ≤ β 2 n ? α + β n . We show that every positive solution triple ( u , v , w ) of the system is radially symmetric and monotonic decreasing about some point by the moving planes method in integral forms. Moreover, by the regularity lifting method, we prove that ( u , v , w ) belongs to L ∞ ( R n ) × L ∞ ( R n ) × L ∞ ( R n ) and which is then locally H?lder continuous. MSC:45E10, 45G05.
机译:在本文中,我们关注以下积分系统的正解的对称性和正则性:u(x)=∫R n Gα(x?y)w r(y)v q(y)| y | βd y,v(x)=∫R n Gα(x?y)u p(y)w r(y)| y | βd y,w(x)=∫R n Gα(x?y)u p(y)v q(y)| y | βd y,其中Gα(x)是α阶贝塞尔核,n≥3,0≤β2 n? α+βn。我们表明,系统的每个正解三元组(u,v,w)都是径向对称的,并且通过移动平面方法以积分形式在某个点上单调递减。此外,通过正则性提升方法,我们证明(u,v,w)属于L∞(R n)×L∞(R n)×L∞(R n),并且因此是局部H?lder连续的。 MSC:45E10,45G05。

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