Báo cáo toán học: "Sequentially perfect and uniform one-factorizations of the complete graph" pot

... 4.3]). the electronic journal of combinatorics 12 (2005), #R1 9 Sequentially perfect and uniform one-factorizations of the complete graph Jeffrey H. Dinitz Mathematics and Statistics University of ... one-factorizations of K 4 and K 6 are unique and in each case they are perfect. Hence both are sequentially perfect (the only possible type in these small cases)...

Ngày tải lên: 07/08/2014, 08:22

... order of their elution on the HP-5MS non-polar column (Table 1). A total of 19 compounds were identified, representing 86.68% of the total oil. The esters made up the largest component of the ... due to the geographical location and the harvesting period. It is noteworthy that the results of this study may be considered as the first report on the compositi...

Ngày tải lên: 20/06/2014, 20:20

... Tautomerization of thione. Scheme 2. The synthesis of IMHC. Figure 1. Optimized 3D structure of the IMHC. Figure 2. The effect of test organism toward synthesized compound. Figure 3. The effect of tested ... for the synthesis of some bioactive compounds such as ß-lactams [16–18], and employed as ligands for the complexation of metal ions [19]. SBs and the...

Ngày tải lên: 20/06/2014, 20:20

... by r n the character of the regular S n -representation, by sgn n the character of the sign-representation of S n and by 1 n the character of the trivial S n - representation. By π n we denote the ... combinatorial analysis then provides algebro-geometric and topological properties of the complement of the arrangement. Using results on the character of S...

Ngày tải lên: 07/08/2014, 06:20

... assumption in the statement of the Theorem. The product in the numerator of the right-hand side of (3.25) consists of factors of the form (x + y +a)=(2x+m+a) with integral a. Some of these factors cancel ... one of the rows 0, 1, ,2v−m and one of the columns 0, 1, ,2v−m, equals 0. N 0 ∗∗ ←i=2v−m j=2v−m ↓ (4.18) For, the determinant of a blo ck matrix of...

Ngày tải lên: 07/08/2014, 06:20

... [22-26]. With the aim of providing further understanding of the optical nature of Mn-doped ZnO HMSs, UV-visible [vis] and PL spectra are used to study their optical characteristics, and the corresponding ... cm −1 , respectively. The enlarged spectrum in the wave number range is shown in the inset of Figure 1c. The change in the peak position of the ZnO ab...

Ngày tải lên: 20/06/2014, 20:20

Ngày tải lên: 05/08/2014, 09:46

Ngày tải lên: 05/08/2014, 15:20

Ngày tải lên: 05/08/2014, 15:21

... studied in the end of Sec. 3. And we also answer for the 498 D. C. Khanh and D. D. X. Thanh The stabilizability radii of system (3.1) of the feedback matrix F with the pertubation on • both A and B ... B), r A =min λ∈C σ min  (A ∗ −λI)K B  , r B =min λ∈σ(A) σ min (B ∗ K λ ), where K B and K λ are the matrices representing KerB and Ker(A ∗ − λI), and the formu...

Ngày tải lên: 06/08/2014, 05:20