Báo cáo toán học: "Topological circles and Euler tours in locally finite graphs" pptx

... feature of the type-I band transition. Therefore, the interband transition of the GaSb QD would be the only proper origin of the high-energy peak. In the growth process of the sample, the InGaAs ... light emission intensity of the GaSb QD could be stronger than the type II transition due to the stronger spatial confinement of carriers in the QD and the...

Ngày tải lên: 20/06/2014, 20:20

... formatted PDF and full text (HTML) versions will be made available soon. Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles Nanoscale ... original work is properly cited. 1 Structural, optical, and magnetic studies of manganese-doped zinc oxide hierarchical micros...

Ngày tải lên: 20/06/2014, 20:20

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Ngày tải lên: 05/08/2014, 10:20

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Ngày tải lên: 05/08/2014, 15:21

... hypotheses of the above claim are satised, and hence x(à) x(). On the other hand, bearing in mind that à and are in the interior of the same Weyl chamber C,andwà = à + and w = + are dominant, we ... (Lemma 4.5) and the induction continues.  For the numbering of the vertices of A 0 in what follows, refer to Figure 4. Corollary 5.6. The Bruhat orderings of...

Ngày tải lên: 07/08/2014, 08:22

... record values and the length function. Two approaches are here systematically explored, us- ing the flag-major index on the one hand, and the flag-inversion number on the other hand. The MacMahon ... using the “fmaj” interpretation, on the one hand, and the “finv” geometry, on the other. In each case we will go beyond the three-variable case, as we consider the gene...

Ngày tải lên: 07/08/2014, 08:22

... claw-free graphs with minimum degree at least three that have equal total domination and matching numbers. Keywords: claw-free, matching number, total domination number 1 Introduction Total domination ... graph G is a matching if no two edges in M are incident to the same vertex. The matching number of G is the maximum cardinality of a matching of G.AsetS of vertices...

Ngày tải lên: 07/08/2014, 13:21

... generalizing a result of Favaron and Kratsch [4] regarding k = 1. Keywords: domination, irredundance, distance domination number, total domi- nation number, connected domination number, distance irredundance ... − D and D is at most k (and D induces a connected graph in G). The minimum cardinality of a (connected) distance k-dominating set in G is the (connected) dista...

Ngày tải lên: 07/08/2014, 15:22

... γ(G) and i(G) are respectively the minimum cardinality of a dominating set and of an independent dominating set and β(G) is the maximum cardinality of an independent set. Alliances are defined in ... corona of a graph is obtained by attaching a pendant edge at each vertex of G. the electronic journal of combinatorics 15 (2008), #R123 2 Global alliances and indep...

Ngày tải lên: 07/08/2014, 21:20

... containing a finite odd cut of G extends to an element of C. 1 Introduction Erd˝os et al. [17] characterised the in nite graphs G containing an Euler tour, that is, a two-way in nite walk traversing ... ny arc in |G| with on e endpoint in X and one in Y contains an edge from F . 4 Euler tours In this section we prove Theorem 1.3, but before we do so let us consider an exa...

Ngày tải lên: 07/08/2014, 21:21

... of the embedding factor w ′ = 343 which has embedding index 5, and the two 2’s of u are in po sitions 6 and 7. Note that we obtain ordinary factor order by taking P to be an antichain. Also, we will ... explains all the Wilf equivalences in S 5 . In particular, the results of Section 4 and the last paragraph of Section 5 generat e all of the Wilf equivalences in Table 1...

Ngày tải lên: 08/08/2014, 01:20

... Diffusion of innovations on random networks: Understanding the chasm. In Proceedings of WINE 2 008, pages 178–185, 2008. [20] M. Molloy and B. Reed. A critical point for random graphs with a given ... the study of percolation in a random graph with given vertex degrees. We refer to Section 3 for more details. k-Core in Random Graphs with Given Degree Seque...

Ngày tải lên: 08/08/2014, 12:22

... production and survival in the field. High N concentrations in seedlings may lead to Original article Dry matter and nitrogen allocation in western redcedar, western hemlock, and ... balance and organic acids in western redcedar, western hemlock, and Douglas fir seedlings grown in low- and high-N soils, Can. J. For. Res. 29...

Ngày tải lên: 08/08/2014, 14:21

... Tevlin, L., Thibon, J Y., Thiem, N., Venkateswaran, V., Vinroot, C. R., Yan, N., and Mike, Z. Supercharacters, symmetric functions in no ncommut ing variables, and related Hopf algebras. Preprint ... Rosas, M., and Zabrocki, M. Invariants and coinvariants of t he symmetric groups in noncommuting variables. Canad. J. Math. 60, 2 (20 08), 266–296. [4] Chen, W. Y. C., Li, T....

Ngày tải lên: 08/08/2014, 14:23

... promoting B-cell development by restraining the expression of pro-myeloid factors (such as Gfi1), and acting directly to induce the recombinase (Rag) genes and thereby recombination at the immunoglobulin ... asymmetric division in cell-fate determination, and provided compelling evidence suggesting that the cell fate determinant Numb is critical in determining lineage commit...

Ngày tải lên: 14/08/2014, 20:22