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On a complete Riemannian manifold of dimension n⩾3, we study the prescribed scalar curvature problem, especially in the null case. Under some hypotheses, we show, when the scalar curvature is zero, the existence of ε>0 such that any fC satisfying |f|<εinf[1,r−(2+λ)], is the scalar curvature of a complete conformal metric; here λ>0 and r denotes the distance to a fixed point.  相似文献   

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We introduce a q-analog of the true-polyanalytic Bargmann transform on C.  相似文献   

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We give a characterization of those solutions F of the Hua system of differential equations HDF(Z) = − (λ2 + 4)F(Z) · I, that are Poisson-Shilov integrals of L2-functions on the Shilov boundary of the rank two matrix ball.  相似文献   

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