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Loss of derivatives for systems of complex vector fields and sums of squares
Loss of derivatives for systems complex vector fields sums of squares
2010/11/29
We discuss, both for systems of complex vector fields and for sums of squares, the phenomenon discovered by Kohn of hypoellipticity with loss of derivatives.MSC: 32W05, 32W25, 32T25
A new, generic type of Zipf-plot behavior in complex systems has been discovered. This Zipf plot does not obey the power law or stretched-exponent distribution but appears as two monotonically decreas...
For any d\ge 5, I constructed infinitely many pairwise smoothly non-equivalent surfaces F\subset\Cp{2} homeomorphic to a non-singular algebraic curve of degree d, realizing the same homology class as ...
On Weighted Partial Orderings on the Set of Rectangular Complex Matrices
Weighted partial ordering Matrix function Singular value ecomposition
2010/1/22
In this paper, the relations between the weighted partial orderings on the set of rectangular complex matrices are first studied. Then, using the matrix function defined by Yang and Li [H. Yang and H....
<正> It is well-known that the camplex linear unimodular group G_2 ofa 2-dimensional affine space E_2 is a representation of the real orthogonalgToup G_4 of a 4-dimensional euclidean space R.In this pa...
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Synthesis ,Charcterization and film formation properties of a novel diaxol system containing rare earth complex of nonlinear optical material
语种
英文
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作者
LI Hui,HUANG Chunhui.ZHOU Dejian XU...
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Second-order nonlinear optical property of Langmuir-Blodgett film prepared from a novl ferrocenly-containing lanthanide complex
语种
英文
撰写或编译
作者
K.Z,Wang,C.H.Huang.D,J.Zhou.G.X,Xu.Y.Xu Y.Q.Liu D...