Báo cáo toán học: "Sur deux résultats d''''''''analyse harmonique non-commutative: une application de la théorie des algèbres de Kac " potx

... text (HTML) versions will be made available soon. Spin-related tunneling through a nanostructured electric-magnetic barrier on the surface of a topological insulator Nanoscale Research Letters 2012, ... and the barrier width. In addition, changing the length of the barrier and/or the magnetic field can tune the total reflection and the perfect transmi...

Ngày tải lên: 20/06/2014, 20:20

... Fully formatted PDF and full text (HTML) versions will be made available soon. Inequalities for convex and s -convex functions on Delta=[a,b]x[c,d] Journal of Inequalities and Applications 2012, ... dierentiable mapping on = [a, b] ì [c, d] . If    ∂ 2 f ∂t∂s    q , q > 1, is a convex function on the co-ordinates on ∆, INEQUALITIES FOR CONVEX AND s...

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... P W contains the set of the images of the edges of W . This together with the choice of x s implies that x(W )=x s (P W ), for each T -join W , and the theorem follows. 3 k-cuts. In this section we ... consider the generating function of the multicuts of a graph and we derive an important relation between it and the generating function of the eulerian s...

Ngày tải lên: 07/08/2014, 06:20

... aussi d´eduire la formule pr´ec´edente du lemme 2 en partant du membre de droite et en utilisant la formule de Chu-Vandermonde. Inversement on obtient une preuve combinatoire de cette derni`ere sous ... longueurs k et r devant ˆetre respect e, on obtient le r´esultat. Remarque. Comme  k+r k  compte le nombre de mani`eres de m´elanger deux chemins ori- ent´es de longueur k et r, respective...

Ngày tải lên: 07/08/2014, 08:20

... New infinite families of 3-designs from algebraic curves of higher genus over finite fields Byeong-Kweon Oh ∗ Department of Applied Mathematics Sejong University, ... Yang, An infinite family of 3-designs from Preparata codes over Z 4 , Des. Codes Cryptogr. 15 (1998), no. 2, 175–181. [6] T. Helleseth, C. Rong, K. Yang, New infinite families of 3-designs...

Ngày tải lên: 07/08/2014, 15:22

... whether a superlinear lower bound exists for M(n, n). The quantity M(n, n) gives an upper bound for the largest convexly independent subset of P ⊕ P, and it is related to the convex dimension of ... least the diameter of the point set P . The chain C has n + 1 vertices including two endpoints. Now we can the electronic journal of combinatorics 17 (2010),...

Ngày tải lên: 08/08/2014, 11:20

... original Détermination des propriétés élastiques d’éléments individuels du plan ligneux du chêne par des essais de traction sur micro-éprouvettes Éric Badel Patrick Perré* Équipe produits forestiers, ... absolues des propriétés du chêne. Elles permettent néanmoins de dégager des ordres de grandeur de propriétés d’éléments du pl...

Ngày tải lên: 08/08/2014, 14:21

... article Aboveground biomass in a beech forest and a Scots pine plantation in the Sierra de la Demanda area of northern Spain I Santa Regina 1 T Tarazona R Calvo 3 1 IRNA-CSIC; 2 JCL; 3 INIA, ... in beech and pine forests indicates a larger biomass and litterfall in the latter. Although the produc- tivity according to dia...

Ngày tải lên: 08/08/2014, 18:21

... réserve est à apporter à cette conclusion en particulier dans Contribution à l’étude de la production des taillis de Chêne vert en forờt de la Gardiole de Rians (Var) Franỗoise ... circonférences préalable- ment établi lors de l’inventaire dendrométrique. Ainsi, par extrapolation à l’effectif des classes considérées, on peut en...

Ngày tải lên: 09/08/2014, 06:22