Báo cáo toán học: "A Complete Grammar for Decomposing a Family of Graphs into 3-connected Components" ppsx
Tài liệu Báo cáo khoa học: What makes biochemical networks tick? A graphical tool for the identification of oscillophores ppt
... reaction-centeredgraphs of the type o f Graph 1 (these paths may containparallel and antiparallel arrows). The sign of that elementtherefore depends on the both the sign and the magnitudes of these influen ce paths ... the kinetic parameters t hat enable such oscillations. The mainresult of such an analysis is that oscillations arise if t heparameter k3is the l argest and the parameters k6and k7are the smallest ... onstructed of a n even number of negativepaths a nd any number of positive paths. Our approach has the advantage th at it considers positive and negativeinteractions in a unified manner. The implication...
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Báo cáo toán học: " Lyapunov-type inequalities for a class of even-order differential equations" doc
... the article as it appeared upon acceptance. Fully formattedPDF and full text (HTML) versions will be made available soon. Lyapunov-type inequalities for a class of even-order differential equationsJournal ... Yang, X, Kim, Y, Lo, K: Lyapunov-type inequalities for a class of quasilinear systems.Math. Comput. Model. 53, 1162–1166 (2011)[13] Zhang, Q, Tang, XH: Lyapunov inequalities and stability for ... Lyapunov-typ e inequalities for certain higher order differentialequations. J. Math. Anal. Appl. 195 , 527–536 (1995)[9] Tang, XH, Zhang, M: Lyapunov inequalities and stability for linear Hamiltonian...
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Báo cáo toán học: " Shrinking projection algorithms for equilibrium problems with a bifunction defined on the dual space of a Banach space" doc
... spaces. Ibaraki and Taka-hashi [10] introduced a new resolvent of a maximal monotone operator in Banach spaces and the concept of the generalized nonexpansive mapping in Banach spaces.Honda ... projection algorithms for finding a solution of an equilibrium problem with a bifunction defined on the dual space of a Banach space, in this paper, areintroduced and studied. Under some suitable assumptions, ... 11 and Takahashi [10] and Takahashi et al. [13], Takahashi and Zembayashi [14] considered the following equilibrium problem:Let E be a smooth Banach space with dual space E* and C beanonemptyclosedsubset...
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Báo cáo toán học: " Visual diagnosis: Rectal foreign body: A primer for emergency physicians" potx
... CAS E REP O R T Open Access Visual diagnosis: Rectal foreign body: A primer for emergency physiciansBobby DesaiAbstractWe present a case that is occasionally seen within emergency departments, ... removal of the object for clinicians.Case A 39-year-old male presented to the Emergency Depart-ment with vague complaints of abdominal pain and con-stipation. He stated that the abdominal pain ... physician subsequently ordered basiclaboratory tests and an abdominal X-ray. The AP andlateral X-rays are shown in Figures 1 and 2.After obtaining the X-rays, the physician presented theX-rays...
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Báo cáo toán học: "Some Results on the Relation Between Pluripolarity of Graphs and Holomorphicity" ppt
... type of Shcherbina on the relation between pluriporlarity of graphs and holomorphicity of complex-valued functionsdefined on a domain in Cn. In particular we establish the relation between the ... of graphs and holomorphicity of complex-valued functions. In particular,we investigate the relation between the pluripolarity of graphs and the holomorphicity of Hartogs type and of Forelli ... Journal of Mathematics 34:3 (2006) 275–284Some Results on the Relation Between Pluripolarity of Graphs and HolomorphicityLe Mau Hai and Phung Van ManhDeparment of Mathematics, Hanoi University of...
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Báo cáo toán học: "On the Generalized Convolution with a Weight - Function for Fourier, Fourier Cosine and Sine Transforms" pot
... on generalized convolu-tion, for instance: the generalized convolution for integral transforms Stieltjes,Hilbert and the cosine- sine transforms [12], the generalized convolution for H-transform ... γ(y)=sign y for the Fourier, Fourier cosine and sine transforms of functions f and g has a meaning and belongs to L(R) and the factorization property holds 436 Nguyen Xuan Thao and Nguyen Minh Khoa23. ... 20]), for the Laplacetransform (see [18, 20] and the references therein) for the Mellin transform[18] and after that the convolutions for the Hilbert transform [4, 21], the Han-kel transform...
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Báo cáo toán học: "TIGHT UPPER BOUNDS FOR THE DOMINATION NUMBERS OF GRAPHS WITH GIVEN ORDER AND MINIMUM DEGREE" pdf
... δ). We establish these values inSections 2, 3 and 4. TIGHT UPPER BOUNDS FOR THE DOMINATION NUMBERS OF GRAPHS WITH GIVEN ORDER AND MINIMUM DEGREEW. Edwin ClarkUniversity of South FloridaTampa, ... y.IfA⊆V then we let A denote the subgraph of G induced by A.Table 1 contains the value of γ(n, δ) for n ≤ 16, 0 ≤ δ ≤ n − 1 if the value isknown, otherwise upper and lower bounds for γ(n, ... be the 8-cycle with 4 diameters added, and G10= G4∪ G6. This leaves only G9 and G11. See appendix B for these graphs, namely the graphs listed there as G(9 3 3) and G(11 3 4) the...
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Báo cáo toán học: "An Asymptotic Expansion for the Number of Permutations with a Certain Number of Inversions" docx
... referee for numerous comments andsuggestions which have led to a substantially improved paper. An Asymptotic Expansion for the Number of Permutations with a Certain Number of InversionsLane ClarkDepartment ... Eds., Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables, Dover Publications, New York, 1966.[2] E .A. Bender, Central and Local Limit Theorems Applied to Asymptotic Enumeration, ... expansion of the integral. Among the consequences, we have a complete asymptotic expansion for b(n, k)/n!forarange of k including the maximum of the b(n, k)/n!.AMS Subject Classification: 0 5A1 6, 0 5A1 5,...
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Báo cáo toán học: "Tight Upper Bounds for the Domination Numbers of Graphs with Given Order and Minimum Degree, II." pdf
... graph of order n with domination number at least 3 and minimum degree δ satisfyingn −2√n −4 ≤ δ ≤ n −√2√n. Tight Upper Bounds for the Domination Numbers of Graphs with Given Order and Minimum ... combinatorics 7 (2000), #R58 19[2] W. Edwin Clark and Larry A. Dunning, Tight Upper Bounds for the Domination Numbers of Graphs with Given Order and Minimum Degree, Electron. J. Combin.4 (1997), no. ... in the case of δ3(n). For thisit is useful to find circulant graphs of order n with large minimum degree and with domination number at least 3. This turns out to be related to the existence of...
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Báo cáo toán học: "Conjectured Combinatorial Models for the Hilbert Series of Generalized Diagonal Harmonics Modules" docx
... invalid in the other.)This lemma, together with the discussion preceding it, completes the proof of formula(18). We leave to the reader the task of showing that this formula reduces to formula(4) ... t).In other words, the statistics for labelled paths inside the triangle with vertices (0, 0), (0,n),and (mn, n) give a combinatorial interpretation for the Hilbert series of the generalized diagonal ... diagram of λ. For example, the transpose of the partition in Figure 1 isλ=(7, 6, 5, 5, 3, 2, 2, 1).Definition 2. Let λ be a partition of N.Letc be one of the N cells in the diagram of λ.the...
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Báo cáo toán học: " Geometrically constructed bases for homology of partition lattices of types A, B and D" ppt
... abasis for< /b> Hd−1(RdA).the electronic journal of < /b> combina torics 11(2) (2004), #R3 8 Geometrically < /b> constructed < /b> bases < /b> for < /b> homology < /b> of< /b> partition < /b> lattices < /b> of < /b> types < /b> A, < /b> B and DAnders BjăornerRoyal ... theory of < /b> hyperplane arrangements to construct natural bases < /b> for< /b> the homology < /b> of < /b> partition < /b> lattices < /b> of < /b> types < /b> A, < /b> B and D. This extends and explainsthe “splitting basis” for < /b> the homology < /b> of < /b> the partition < /b> ... xjwhenever i and j are in the same block of < /b> π and both are barred or bothare unbarred,ã xi= xjwhenever i and j are in the same block of < /b> π and one is barred and theother is unbarred,ã xi=...
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Báo cáo toán học: " Vizing-like conjecture for the upper domination of Cartesian products of graphs – the proof" pot
... set. Vertices of RGì DHare the electronic journal of combinatorics 12 (2005), #N12 4 Vizing-like conjecture for the upper domination of Cartesian products of graphs – the proofBoˇstjan Breˇsar∗University ... prove the following conjecture of Nowakowski and Rall: For arbitrary graphs G and H the upper domination number of the Cartesian prod-uct G H is at least the product of their upper domination ... Partition of the vertex setIn the proof of the conjecture we will use two special sets, obtained by an operation of completion of a certain set to a set that dominates a specified set of vertices of...
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Báo cáo toán học: "On an identity for the cycle indices of rooted tree automorphism groups" doc
... related to the automorphism groups of trees have been investigated. We state, for instance, the enumeration of identity trees(see [7]), and the question of determining the average size of the automorphism ... to G. Labelle for the summed cycle indices of all rooted trees, which resembles the well-known formula for the cycle index of the symmetric group in some way. An elementary proof is provided ... Yet another reformu-lation shows that the cycle index series is alsoT ∈TZ(Aut(T )),where Z(Aut(T )) is the cycle index of the automorphism group of T . The followingformula for the cycle...
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Báo cáo toán học: "A Complete Grammar for Decomposing a Family of Graphs into 3-connected Components" ppsx
... decomposition, and where multi-edges are allowed. It is actually very easy toadapt the grammar for the corresponding simple family of graphs. Call G the subfamily of graphs in G that have no multiple ... subfamilies of G:ã The class G1is the subfamily of graphs in G that are connected and have at leastone vertex.ã The class G2is the subfamily of graphs in G that are 2-connected and have at ... gen-eral grammar expressing any family G of graphs (with some stability conditions)in terms of the subfamily G3 of graphs in G that are 3-connected (until now, such a general grammar was only...
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Báo cáo toán học: "Sharp lower bound for the total number of matchings of tricyclic graphs" doc
... Tnbe the class of tricyclic graphs on n vertices. In this paper, a sharp lower bound for the total number of matchings of graphs in Tnis determined.1 Introduction The total number of matchings ... index of hexagonal spiders.In light of the information available for the total number of matchings of trees, unicyclicgraphs, bicyclic graphs, it is natural to consider other classes of g raphs, ... k) the number of its k -matchings. It is convenient to denote m(G; 0) = 1 and m(G; k) = 0 for k > [n/2]. The Hosoya index of G, denoted by z(G), is defined as the sum of all the numbers of...
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