Báo cáo toán học: "A Complete Grammar for Decomposing a Family of Graphs into 3-connected Components" ppsx

... reaction-centered graphs of the type o f Graph 1 (these paths may contain parallel and antiparallel arrows). The sign of that element therefore depends on the both the sign and the magnitudes of these influen ce paths ... the kinetic parameters t hat enable such oscillations. The main result of such an analysis is that oscillations arise if t he parameter k 3 is the l a...

Ngày tải lên: 19/02/2014, 16:20

... the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Lyapunov-type inequalities for a class of even-order differential equations Journal ... 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: Ly...

Ngày tải lên: 20/06/2014, 21:20

... 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,...

Ngày tải lên: 20/06/2014, 21:20

... CAS E REP O R T Open Access Visual diagnosis: Rectal foreign body: A primer for emergency physicians Bobby Desai Abstract We 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 st...

Ngày tải lên: 20/06/2014, 21:20

... type of Shcherbina on the relation between pluriporlarity of graphs and holomorphicity of complex-valued functions defined on a domain in C n . 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 th...

Ngày tải lên: 06/08/2014, 05:20

... 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...

Ngày tải lên: 06/08/2014, 05:20

... δ). We establish these values in Sections 2, 3 and 4. TIGHT UPPER BOUNDS FOR THE DOMINATION NUMBERS OF GRAPHS WITH GIVEN ORDER AND MINIMUM DEGREE W. Edwin Clark University of South Florida Tampa, ... 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 is known, ot...

Ngày tải lên: 07/08/2014, 06:20

... referee for numerous comments and suggestions which have led to a substantially improved paper. An Asymptotic Expansion for the Number of Permutations with a Certain Number of Inversions Lane Clark Department ... Eds., Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables, Dover Publications, New York, 1966. [2] E .A. Bender, Central...

Ngày tải lên: 07/08/2014, 06:20

... graph of order n with domination number at least 3 and minimum degree δ satisfying n −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...

Ngày tải lên: 07/08/2014, 06:22

... 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 Hilber...

Ngày tải lên: 07/08/2014, 08:20

... a basis for < /b>  H d−1 (R d   A). 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 D Anders Bjăorner Royal ... theory of < /b> hyperplane arrangements to construct natural bases < /b> for < /b> the...

Ngày tải lên: 07/08/2014, 08:22

... set. Vertices of R G ì D H are the electronic journal of combinatorics 12 (2005), #N12 4 Vizing-like conjecture for the upper domination of Cartesian products of graphs – the proof Boˇstjan Breˇsar ∗ University ... prove the following conjecture of Nowakowski and Rall: For arbitrary graphs G and H the upper domination number of the Carte...

Ngày tải lên: 07/08/2014, 08:22

... 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 symme...

Ngày tải lên: 07/08/2014, 13:21

... decomposition, and where multi-edges are allowed. It is actually very easy to adapt 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 G 1 is the subfamily of graphs in G that are connected and have at least one vertex. ã The class G 2 is the subfamily of graphs in G that...

Ngày tải lên: 07/08/2014, 21:21

... T n be the class of tricyclic graphs on n vertices. In this paper, a sharp lower bound for the total number of matchings of graphs in T n is 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, unicyclic graphs, bicyclic gr...

Ngày tải lên: 08/08/2014, 12:22