[PDF] Top 20 vol21p142-153. 140KB Jun 04 2011 12:06:11 AM

... By transforming the original system through the computation of Gr¨obner bases of appropriate elimination ideals, we are able to classify all solutions of 1.1 whenn= 2.. Similar computa[r] ... Lihat dokumen lengkap

... example, they often have connections with some structured matrices, such as Hankel, Toeplitz, and Vandermonde matrices, etc., and therefore have a lot of significant char- acteristic properties. A more detailed expansion ... Lihat dokumen lengkap

... 1. Introduction. The concept of n-Lie algebras appeared in two different con- texts [1, 2]. In [1], Nambu introduced n-ary multilinear operations in his description of simultaneous classical dynamics of n particles, and ... Lihat dokumen lengkap

... The group inverse of block matrices has numerous applications in matrix theory, such as singular differential and difference equations, Markov chains, iterative meth- ods and so on (see [12]-[14]). For instance, ... Lihat dokumen lengkap

... bounds and the residual bounds for an approximate solution of (1.1). In addition, Duan [17] proved that (1.1) always has a unique positive definite solution when C = 0. Hasanov [11] obtained that (1.1) has a ... Lihat dokumen lengkap

... The perturbation results of the Drazin inverse of a closed linear operator can be applied to the solu-tion of perturbed linear equasolu-tions and to the asymptotic behavior ofC0-semigrou[r] ... Lihat dokumen lengkap

... In the basis of the mentioned eigenvectors of the harmonic oscillator, this operator has the following matrix representation: Mθ= The union of the setRwith the infinite zero matrix for[r] ... Lihat dokumen lengkap

... Although there exist close connections between the Bezoutians and polynomials defined in the ELA paper and those in [5], [5] investigated orthogonal polynomials and arbitrary polynomials[r] ... Lihat dokumen lengkap

... Electronic Journal of Linear Algebra ISSN 1081-3810 A publication of the International Linear Algebra Society Volume 21, pp... b λ2 6= 0 and apply the induction hypothesis in Case ii.[r] ... Lihat dokumen lengkap

... [1, Theorem 3] was subject to a series of successive generalizations in [1, 2, 5, 8, 13, 18], which are devoted to detect the structure of L, when values of t(L) higher than 2 are considered. On another hand, [1, 2, 5, ... Lihat dokumen lengkap

... This result was extended to the case of unicyclic graphs in [1], where it was proved that M (U, R ) = P(U ) or P (U ) − 1, for any unicyclic graph U , and both cases were characterized. More recently, Sinkovic has shown ... Lihat dokumen lengkap

... The path, the complete graph, the cycle, the star and some quasi-star graphs, together with their complement graphs were shown to be determined by their Laplacian spectra [6, 9, 15, 21].[r] ... Lihat dokumen lengkap

... For the induction step in the proof that the conditions are sufficient for completion in the n-by-n case, we partition the partial matrix meeting the necessary conditions into two overla[r] ... Lihat dokumen lengkap

... 1. Introduction. Let A be a ring (or an algebra) with the unit I. Recall that an additive (or a linear) map δ from A into itself is called a derivation if δ(AB ) = δ(A)B + Aδ(B) for all A, B ∈ A. As well known that ... Lihat dokumen lengkap

... In this paper, we give another proof of this theorem making use of a general result Theorem 3.5 according to which the inverse of an n×n interval matrix can be computed from unique solut[r] ... Lihat dokumen lengkap

... Largely motivated by the research by Parter [20], Genin and Maybee [9], and Wiener [22], on the location and multiplicity of eigenvalues of sign-symmetric ma- trices whose associated graphs are trees, the interest on ... Lihat dokumen lengkap

... INFORMACIÓN ACADÉMICAY LABORAL SECTION I UNIVERSITY OF OXFORD MATHEMATICAL AND PHYSICAL SCIENCES DIVISION MATHEMATICAL INSTITUTE IN ASSOCIATION WITH BRASENOSE COLLEGE UNIVERS[r] ... Lihat dokumen lengkap

... We may find the determinant, rank, inverse, eigenvalues and eigenvectors, and so on, for the matrix M from (4.7). Some other applications of (4.1) to quaternion matrices were presented in Tian [12]. From (3.8) we ... Lihat dokumen lengkap

... Le caract`ere alg´ebrique ou transcendant d’une suite d´epend donc bien sˆ ur de l’“interpr´etation” de cette suite, et les lecteurs imagineront sans doute d’autres interpr´etations que celles donn´ees ci-dessus. Ces ... Lihat dokumen lengkap

... A natural question arises whether or not the equality persists in (1.3) for all pairs of hermitian matrices A and B. Using the techniques of higher rank numerical ranges, it was proved in [12] that this is indeed ... Lihat dokumen lengkap