排序方式: 共有7条查询结果,搜索用时 15 毫秒
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Sriwulan ADJI Rizky ROSJANUARDI 《数学学报(英文版)》2007,23(9):1639-1648
Let г^+ be the positive cone of a totally ordered abelian group г, and σa cocycle in г. We study the twisted crossed products by actions of г+ as endomorphisms of C^*-algebras, and use this to generalize the theorem of Ji. 相似文献
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Nonlinear Dynamics - In the original publication of the article, Tables 4 and 7 were incorrectly published. 相似文献
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Nonlinear Dynamics - Substitution box (S-box) is a critical part of the data encryption and decryption procedures. The primary function of the S-box in advanced encryption standard algorithm is to... 相似文献
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We study the windowed Fourier transform in the framework of Clifford analysis, which we call the Clifford windowed Fourier
transform (CWFT). Based on the spectral representation of the Clifford Fourier transform (CFT), we derive several important
properties such as shift, modulation, reconstruction formula, orthogonality relation, isometry, and reproducing kernel. We
also present an example to show the differences between the classical windowed Fourier transform (WFT) and the CWFT. Finally,
as an application we establish a Heisenberg type uncertainty principle for the CWFT. 相似文献
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Sriwulan Adji Iain Raeburn Anton Strö h 《Proceedings of the American Mathematical Society》1998,126(10):2993-2998
We show that for every totally ordered group and invertible function which does not have a logarithm, there is a representation in which the Toeplitz operator is a Breuer-Fredholm operator with nonzero index; this representation is the GNS-representation associated to a natural unbounded trace on the Toeplitz algebra .
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Nuning Nuraini Hengki Tasman Edy Soewono Kuntjoro Adji Sidarto 《Mathematical and Computer Modelling》2009,49(5-6):1148-1155
A model of viral infection of monocytes population by Dengue virus is formulated here. The model can capture phenomena that dengue virus is quickly cleared in approximately 7 days after the onset of the symptoms. The model takes into account the immune response. It is shown that the quantity of free virus is decreasing when the viral invasion rate is increasing. The basic reproduction ratio of model without immune response is reduced significantly by adding the immune response. Numerical simulations indicate that the growth of immune response and the invasion rate are very crucial in identification of the intensity of infection. 相似文献
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This paper presents a construction of the n = 2 (mod 4) Clifford algebra Cl
n,0-valued admissible wavelet transform using the admissible similitude group SIM(n), a subgroup of the affine group of
\mathbbRn{\mathbb{R}^{n}} . We express the admissibility condition in terms of the Cl
n,0 Clifford Fourier transform (CFT). We show that its fundamental properties such as inner product, norm relation, and inversion
formula can be established whenever the Clifford admissible wavelet satisfies a particular admissibility condition. As an
application we derive a Heisenberg type uncertainty principle for the Clifford algebra Cl
n,0-valued admissible wavelet transform. Finally, we provide some basic examples of these extended wavelets such as Clifford
Morlet wavelets and Clifford Hermite wavelets. 相似文献
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