Báo cáo toán học: "Maximising the permanent of (0,1)-matrices and the number of extensions of Latin rectangles" docx

... versions will be made available soon. A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3', 5'-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete ... (days) Figure 2 1 A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3', 5'-monophosphate signaling...

Ngày tải lên: 20/06/2014, 20:20

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Ngày tải lên: 05/08/2014, 15:20

... Smolenice, Prague (1964), 29-36. ATur´an Type Problem Concerning the Powers of the Degrees of a Graph Yair Caro ∗ and Raphael Yuster † Department of Mathematics University of Haifa-ORANIM, Tivon ... 2) p and is obtained by K k−1 . A close examination of the proof of Theorem 1.2 shows that the value of n 0 (k) in the statement of the theorem is O(k 2...

Ngày tải lên: 07/08/2014, 06:20

... (12) The required bound follows from (12) and knowledge of the first two moments, (6).  Maximising the permanent of (0,1)-matrices and the number of extensions of Latin rectangles B. D. McKay and ... for the set of k ìn Latin rectangles. For R ∈ L(k, n) define E(R)tobethe number of R  ∈ L(k+1,n) such that the first k rows of R  are identical to...

Ngày tải lên: 07/08/2014, 06:22

... from the end of the left list into the stack, and when we encounter an element of p, we move the top of the stack to the beginning of the right list. If an element of p is equal to an element of ... p, p k . At this point, the top of the stack is the index of the last element of q encountered. We move the top of the stack out, as the first entr...

Ngày tải lên: 07/08/2014, 07:21

... operations that preserve well-coveredness under certain conditions may be found in [8], in- cluding the corona, the conjunction, the disjunction, and the Cartesian product of graphs. The case of the ... well-coveredness preserving operations. 2.1 Disjoint Union and the Join Let G 1 and G 2 be well-covered graphs. Then the disjoint union G 1  G 2 is also well- covere...

Ngày tải lên: 07/08/2014, 08:20

... 10)-invariant rhombus tilings. We get another four tilings with the same property by tiling the plane with the diamond rhombus, i.e., the dark rhombus in the very middle of the magnified picture on the ... Balanced rhombus tilings Our proofs of Conjectures 1 and 2 are based on a concrete formula for Z(Σ m,n )intermsof certain rhombus tilings of the p...

Ngày tải lên: 07/08/2014, 13:21

... setting. The manuscript [14] available on the web gives a detailed proof to Lemma 3. A variant of Lemma 3 has been proved in [1]. The main obstacle for using Lemma 3 is the difficulty to define a ... combination with Lemma 5 below, we can show that a random function from an a- element set into an a- element set is an injection with probability at least ( 1 e −o(1)...

Ngày tải lên: 07/08/2014, 15:23

... à) and (n ||, ) are partitions for all n ≥ 2k since the hypotheses |à|, || k the electronic journal of combinatorics 16(2) (2009), #R19 20 Character Polynomials, their q-analogs and the Kronecker ... #R19 1 The c ,à, go by the name of Kronecker coeci ents and they may be interpreted as the multiplicity of the irreducible representation of S n indexed by λ in...

Ngày tải lên: 08/08/2014, 01:20

... other standard notation comes from [1]. the electronic journal of combinatorics 18 (2011), #P149 2 Long path lemma concerning connectivity and independence number Shinya Fujita ∗ Alexander Halperin † Colton ... theorem and, following the proofs presented in [4], we prove the following lemma which is o ur main result. Lemma 1 Let k ≥ 1 be an integer and let G be a g raph of...

Ngày tải lên: 08/08/2014, 14:23

... Addition of an edge The second result that we present is on the change of the index when we add an edge to a graph. In this context, Rowlinson [9] proved that, under some conditions, the index of the ... of interest. First, they are derived from a mere knowledge of the degrees of the vertices involved in the perturbation. Second, they are the best possible,...

Ngày tải lên: 08/08/2014, 14:23

... Watanabe M, Ohsugi T, Shoda M, Ishida T, Aizawa S, Maruyama-Nagai M, Utsunomiya A, Koga S, Yamada Y, Kamihira S, Okayama A, Kikuchi H, Uozumi K, Yamaguchi K, Higashihara M, Umezawa K, Watanabe ... Research and Therapy Open Access Research Two specific drugs, BMS-345541 and purvalanol A induce apoptosis of HTLV-1 infected cells through inhibition of the NF...

Ngày tải lên: 10/08/2014, 05:21

... (physical, social and emotional function) and reduced health-related quality of life (HRQoL) [6]. In a large randomized clinical trial, recombinant human acti- vated protein C (APC) therapy was shown ... sur- rogate decision maker. Contact information for both the patient and next of kin was obtained. To avoid an imbalance between APC and standard care patients...

Ngày tải lên: 13/08/2014, 10:20

Ngày tải lên: 13/08/2014, 11:23