Báo cáo toán học: "Maxmaxflow and Counting Subgraphs" potx

... Examples 5.1 and 5.2).  6 Counting Trees and Forests Let us now extend Propositions 5.2 and 5.3 from paths to trees and forests. In Sec- tion 6.1 we consider classes T m (X) of trees and F m (X, ... . . . . . . 22 7 Counting Connected Subgraphs (and Related Objects) 24 8 Counting Blocks, Block Paths, Blo ck Trees and Block Forests 29 8.1 The classes BT m (X), BF m (X, Y )...

Ngày tải lên: 08/08/2014, 12:22

Ngày tải lên: 05/08/2014, 10:20

... explicit determination of root systems and lattices involved. 5 Acknowledgements We thank Ed Assmus, Michel Deza, and Vladimir Tonchev for sending us their preprints and Chris Charnes, Slava Grishukhin ... paper R9. J.H. Conway , N.J.A. Sloane, Sphere Packings Lattices and Groups [SPLAG] J.H. Conway, N.J.A. Sloane, Sphere Packings Lattices and Groups, second edition, Springer Verlag...

Ngày tải lên: 07/08/2014, 06:20

... transposing theentries 0and1 atindices 1and2 of(µ + α)[ ] or by transposing the entries −2 and −3 at indices 3 and 4. The result can be written as (4, 3, 3, 2, 2)[ ] respectively as (4, 2, 4, 1, 3)[ ], and indeed ... Corollary. For λ, µ ∈Pand α ∈C, the Kostka number K λ/µ,α equals the number # SST(λ/µ, α) of semistandard tableaux of shape λ/µ and weight α ,and K  λ/µ,α is the number...

Ngày tải lên: 07/08/2014, 08:22

... measurements, and drafted the manuscript. CY conducted the STEM measurement. SZ, TH, and GH conducted the MBE growth. JH, WW, and CH coordinated the study. WL provided the idea and conceived ... identified as the indirect transition from the InGaAs conduction band to the GaSb hole level (type-II) and the GaSb QDs direct interband transition (type-I) respectively, as shown in Fi...

Ngày tải lên: 20/06/2014, 20:20

... concentrations become light yellow, and the color becomes deeper and deeper with increasing Mn. The phase purity and crystal structure of the pristine ZnO and Mn-doped ZnO for various doping ... in the absorption band edge with increasing dopant concentration, and corresponding photoluminescence spectra show that Mn doping suppresses both near-band edge UV emission and defect-...

Ngày tải lên: 20/06/2014, 20:20

... noncon- vexity in X and {Y n } ∞ n=1 is the decreasing sequence of nonempty, closed, and bounded subsets of X defined by Y 1 = f(Y ), Y n+1 = f(Y n ) (n ∈ N). Proposition 3.2. Let Y be a nonempty and weakly ... point theorems for con- densing and nonexpansive maps will be proved. 3.1. Condensing maps. Definition 3.3. Let Y be a nonempty and bounded subset of a Banach space X, and le...

Ngày tải lên: 20/06/2014, 20:20

... able to adapt and synchro- nize well with the tempo, dynamics and rhythmic feel of the performer and this needs to be achieved within hard real-time constraints. Unlike repetitive and dull tasks, ... conga player, and a central computer as shown in Figure 14. The central computer listens to the polyphonic music played by all parties and jointly infers the tempo, and bar position...

Ngày tải lên: 20/06/2014, 20:20

... production by respectively A. niger CFR335 (Gunashree and Venkateswaran 2008), A. niger NCIM 563 (Soni and Khire 2007) and P. anomala (Kaur and Satyanarayana 2005). In addition to the illustration ... at 65 °C (instead of 55 °C) and recovered about 90 and 55% of its activity (77 and 0% for the native enzyme) after heating for 10 min at 75 °C in the presence and absence of...

Ngày tải lên: 20/06/2014, 20:20

... bitter stomachic, skin diseases, and reported to have antitumor, insecticide and cytotoxic activities [3]. The antimicrobial activities of coumarin constituents [4] and the neuropharmacological ... formatted PDF and full text (HTML) versions will be made available soon. Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L. Organic and M...

Ngày tải lên: 20/06/2014, 20:20