Báo cáo toán học: "Finitely connected domains G, representations of $H^infty(G)$, and invariant subspaces " docx

Báo cáo toán học: "Improved bounds for the number of forests and acyclic orientations in the square lattice" doc

Báo cáo toán học: "Improved bounds for the number of forests and acyclic orientations in the square lattice" doc

... knowledge of the state σ(B) and C. Proof. For the state σ(B)=(s 1 , ,s m ) and a subset of edges C of P m we construct a graph with vertices {1, 2}×{1, ,m} and edges B  ∪ C,whereB  is the set of edges joining ... number of acyclic orientations of G and by f(G) the number of spanning forests of G. ∗ Partially supported by projects SEUI-PB98-0933 and by CUR Gen. Cat....

Ngày tải lên: 07/08/2014, 07:21

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Báo cáo toán học: "On Computing the Distinguishing Numbers of Trees and Forests" pps

Báo cáo toán học: "On Computing the Distinguishing Numbers of Trees and Forests" pps

... the adjacencies of G; i.e., π(u) is adjacent to π(v) if and only if u is adjacent to v for every pair of vertices u, v in G.Theautomorphism group of G, Aut(G), consists of all the automorphisms of G. Additionally, ... G, Aut( (G, φ)) consists of all the automorphisms of (G, φ). We define the automorphisms of rooted graphs and rooted labeled graphs in the same way with...

Ngày tải lên: 07/08/2014, 13:21

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Báo cáo toán học: "A note on a problem of Hilliker and Straus" pps

Báo cáo toán học: "A note on a problem of Hilliker and Straus" pps

... that every element of A + A has at least two representations, and B is an arbitrary subset of Z p . The main result of this section can be stated as follows. Theorem 4. If A ⊆ Z p and for any element ... 2k + 1, and, since the cardinality of T is at most l(|A|− 1) + 1, f(¯α, p) + 1 = |A| ≥ log p l log 2k + 1, completing the proof of Theorem 1. Since l ≤ k as an immediate conse...

Ngày tải lên: 07/08/2014, 15:22

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Báo cáo toán học: "Comultiplication rules for the double Schur functions and Cauchy identities" docx

Báo cáo toán học: "Comultiplication rules for the double Schur functions and Cauchy identities" docx

... an A-tableau T of shape θ is obtained by filling in the boxes of θ with the elements of A in such a way that the entries of T weakly increase along each row and down each column, and for each i ... rows and strictly decrease down the columns. If α = (i, j) is a box of λ in row i and column j, we let T (α) = T (i, j) denote the entry of T in the box α and let c(α) = j − i...

Ngày tải lên: 07/08/2014, 21:21

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Báo cáo toán học: "Elementary Proofs for Convolution Identities of Abel and Hagen–Rothe" pps

Báo cáo toán học: "Elementary Proofs for Convolution Identities of Abel and Hagen–Rothe" pps

... of the polynomial (a + bx) i−1 of degree i − 1. Therefore we have found that U = (a+c) n n! , which confirms exactly (1). 3 Proofs of Hagen–Rothe Identities Analogously we have from the Chu–Vandermonde ... electronic journal of combinatorics 17 (2010), #N24 2 Elementary Proofs for Convolution Identities of Abel and Hagen–Rothe Wenchang Chu ∗ Hangzhou Normal University Institute of...

Ngày tải lên: 08/08/2014, 11:20

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Báo cáo toán học: " Matrices connected with Brauer’s centralizer algebras" potx

Báo cáo toán học: " Matrices connected with Brauer’s centralizer algebras" potx

... electronic journal of combinatorics 2 (1995),#R23 2 2 Determinants of M and M 8 2.1 Columnpermutationsofstandardmatchings 8 2.2 Product formulas for M and M 12 2.3 Eigenvalues of T k (x)andT k (y 1 , ... map between involutions of S n with k fixed points, and standard tableaux of all normal shapes λ  n such that λ has exactly k columns of odd length. Fact 3.8. Let T be a sta...

Ngày tải lên: 07/08/2014, 06:20

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Báo cáo toán học: "Minimum connected dominating sets of random cubic graphs" docx

Báo cáo toán học: "Minimum connected dominating sets of random cubic graphs" docx

... a component of the graph and a random cubic graph is a.a.s. connected. Choosing K = 2and = n −1/4 ,say,leads to a success probability of 1 − o(1). We compute the ratio dz i /dz, and we have dz i dz = τ i + ω 2 1−ω 1 χ i 3z 0 ξ  1+ ω 2 1−ω 1  , ... graphs u.a.r. and describe the notion of analysing the performance of algorithms on random graphs using systems of differential...

Ngày tải lên: 07/08/2014, 06:23

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Báo cáo toán học: "Counting Connected Set Partitions of Graphs" pot

Báo cáo toán học: "Counting Connected Set Partitions of Graphs" pot

... one has T (G, β, γ) = ∅ and therefore also T (G, β, γ; x) = 0. Furthermore note that in the case of X = ∅ it is Q (G, x) = T (G, ∅, ∅; x). It is notable that the connected set partitions of a graph ... set (S \ X) ∪ (T \ Y ). The vertex set of one component of the bipartite graph consists of one block of a partition of S \ X and one block of a partition of T \ Y ....

Ngày tải lên: 08/08/2014, 12:23

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Báo cáo Y học: Mammalian mitochondrial endonuclease G Digestion of R-loops and localization in intermembrane space doc

Báo cáo Y học: Mammalian mitochondrial endonuclease G Digestion of R-loops and localization in intermembrane space doc

... m M ATP, and 0.05% BSA in the presence of the indicated concentration of endoG for 10 min at 37 °C. The reaction was stopped by the addition of 1 lgÆmL )1 prote- inase K and 0.5% SDS, and then ... be a triple-stranded R-loop [4]. The cleavage of the RNA of triple-stranded R-loops by endoG has never been shown, while RNase MRP has been shown to cleave the RNA of triple-strand...

Ngày tải lên: 23/03/2014, 21:20

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