Báo cáo toán học: "A Rainbow k-Matching in the Complete Grap

Báo cáo toán học: "A note on odd cycle-complete graph Ramsey numbers" ppsx

... an improvement of the bound of Erd˝os et al. for r( C 2k+1 ,K n ) for all remaining k>2. Our main result is the following theorem. Theorem 1.1 For every ﬁxed integer k and n → the Ramsey numbers r( C 2k+1 ,K n ) ... bounds for some bipartite graph -complete graph Ramsey numbers, Discrete Mathematics 220 (2000), 51-56. [5] P. Erd˝os, R. Faudree, C. Rousseau and R. Schelp, On c...

Ngày tải lên : 07/08/2014, 06:23

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Báo cáo toán học: "A LOWER BOUND FOR THE NUMBER OF EDGES IN A GRAPH CONTAINING NO TWO CYCLES OF THE SAME LENGTH" pptx

... Acknowledgment The author thanks Prof. Yair Caro and Raphael Yuster for sending reference [7]. The author also thanks Prof. Cheng Zhao for his advice. References [1] J.A. Bondy and U.S .R. Murty, Graph Theory ... denote the number of vertices, and (G) denote the number of edges. In this paper, we construct a graph G having no two cycles with the same length which leads to...

Ngày tải lên : 07/08/2014, 06:22

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Tài liệu Báo cáo khoa học: A point mutation in the ATP synthase of Rhodobacter capsulatus results in differential contributions of DpH and Du in driving the ATP synthesis reaction pptx

... strains carrying mutated plasmids originating from two different PCR runs. The lower ATP synthesis rate of the mutant was not due to a lower efﬁciency of the electron transport chain or higher ... necessary). The ratios of the wild-type derivatives over the mutant, indicating the ratios of the ATP synthesis rates, are plotted for the exp eriments in the absence (dashed l...

Ngày tải lên : 21/02/2014, 03:20

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Báo cáo khoa học: A single mismatch in the DNA induces enhanced aggregation of MutS Hydrodynamic analyses of the protein-DNA complexes pot

... This result mirrored the sedimentation property of the free protein observed in the earlier assay suggesting that the DNA sedimentation accompanied that of protein. In order to verify whether ... construct a binding isotherm for MutL interaction with MutS (Fig. 1B). Interestingly, such an analyses revealed that the two proteins interact with each other at an almost 1 : 1 m...

Ngày tải lên : 07/03/2014, 12:20

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Báo cáo khoa học: A L225A substitution in the human tumour suppressor HIC1 abolishes its interaction with the corepressor CtBP docx

... a homeodomain transcriptional repressor modulating NODAL (a member of the transforming growth factor-b family) signalling. Individuals with HPE carry heterozygous mutations either in the DNA-binding domain, ... agreement with the structural data and the universal conservation of this residue in all C-terminal binding protein-interacting motifs, mutation of the central leuc...

Ngày tải lên : 23/03/2014, 10:21

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Báo cáo khoa học: A distinct sequence in the adenine nucleotide translocase from Artemia franciscana embryos is associated with insensitivity to bongkrekate and atypical effects of adenine nucleotides on Ca2+ uptake and sequestration pdf

... dot-like structures in their presence, unlike the ring-like structures observed in mammalian mitochondria [38–40]. By sequencing of the mRNA coding for ANT in this organism, we show that the complete ... lack either of these proteins have still demonstrated the PTP [24–28]. It was therefore inferred that CypD and ANT do not form the pore, but rather modulate it. The latt...

Ngày tải lên : 29/03/2014, 00:20

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Báo cáo toán học: "A new proof of the Szegö limit theorem and new results for Toeplitz operators with discontinuous symbol " pptx

Ngày tải lên : 05/08/2014, 09:46

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Báo cáo toán học: "A new property of the determinant of a perturbation of a weak contraction. (Russian) " ppsx

Ngày tải lên : 05/08/2014, 15:20

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Báo cáo toán học: "A Radon-Nikodym theorem for positive linear functionals on *-algebras " pdf

Ngày tải lên : 05/08/2014, 15:20

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Báo cáo toán học: "A Short Proof of the Rook Reciprocity" pps

... author independently obtained a much more elegant formula, as a corollary of more general reciprocity theorems. Here, following a suggestion of Goldman, we provide a direct combinatorial proof ... x) def = d  k=0 r B k x d−k , where x n def = x(x−1)(x−2) ···(x−n+1). Then we have the following reciprocity theorem. Theorem. For any board B ⊂ [d] × [d], R( B; x)=(−1) d R( B; − x − 1)....

Ngày tải lên : 07/08/2014, 06:20

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Báo cáo toán học: "A Rainbow k-Matching in the Complete Graph with r Colors" pdf

Báo cáo toán học: "A note on odd cycle-complete graph Ramsey numbers" ppsx

Báo cáo toán học: "A LOWER BOUND FOR THE NUMBER OF EDGES IN A GRAPH CONTAINING NO TWO CYCLES OF THE SAME LENGTH" pptx