نتایج جستجو برای: vertex function

تعداد نتایج: 1247013  

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ریاضی و کامپیوتر 1390

همچنین با استفاده از نتیجه های به دست آمده الگوریتم هایی برای امتحان یکتایی رنگ پذیری ارائه داده شد. به عنوان یک کاربرد، مثال نقضی را برای حدس ژو، مربوط به ‎3-‎رنگ پذیری یکتای گراف های بدون مثلث بررسی می کنیم ‎ایده ی اصلی این پایان نامه از مقاله ‎‎c‎. ‎hillar‎, ‎t‎. ‎windfeldt‎, ‎it algebraic characterization of uniquely vertex colorable graphs, ‎j‎. ‎combin‎. ‎theory ser‎. ‎b 98 (2008) 400...

Journal: :Journal of Statistical Mechanics: Theory and Experiment 2022

Abstract In this paper we investigate certain fusion relations associated to an integrable vertex model on the square lattice which is invariant under Sp (4) symmetry. We establish a set of functional include transfer matrix inversion identity. The solution these in thermodynamic limit allows us compute partition function per site fundamental representation model. As byproduct also obtain mixin...

Journal: :iranian journal of mathematical chemistry 0
m. azari islamic azad university f. falahati-nezhad safadasht branch, islamic azad university

let g_1 and g_2 be simple connected graphs with disjoint vertex sets v(g_1) and v(g_2), respectively. for given vertices a_1in v(g_1) and a_2in v(g_2), a splice of g_1 and g_2 by vertices a_1 and a_2 is defined by identifying the vertices a_1 and a_2 in the :union: of g_1 and g_2. in this paper, we present exact formulas for computing some vertex-degree-based graph invariants of splice of graphs.

A. Mahmiani , A. Sousaraei , O. Khormali ,

The vertex version of PI index is a molecular structure descriptor which is similar to vertex version of Szeged index. In this paper, we compute the vertex-PI index of TUC4C8(S), TUC4C8(R) and HAC5C7[r, p].

1996
P. Maris

We investigate the influence of the full vacuum polarization and vertex function on the fermion propagator, using the coupled Dyson–Schwinger equations for the photon and fermion propagator. We show that, within a range of vertex functions, the general behavior of the fermion propagator does not depend on the exact details of the vertex, both in the massless and in the massive phase. Independen...

2017
Alberto García-Durán Mathias Niepert

Label Representations • Let l ∈ Rd be the representation of label l, and f be a differentiable embedding function • For labels of label type i, we apply a learnable embedding function l = fi(l) • hi(v) is the embedding of label type i for vertex v: hi(v) = gi ({l | l ∈ labels of type i associated with vertex v}) • h̃i(v) is the reconstruction of the embedding of label type i for vertex v: h̃i(v) ...

Journal: :Discrete Mathematics 2007
Robert R. Rubalcaba Peter J. Slater

A function f : V (G) → {0, 1, 2} is a Roman dominating function for a graph G = (V,E) if for every vertex v with f(v) = 0, there exists a vertex w ∈ N(v) with f(w) = 2. Emperor Constantine had the requirement that an army or legion could be sent from its home to defend a neighboring location only if there was a second army which would stay and protect the home. Thus, there are two types of armi...

Journal: :Discussiones Mathematicae Graph Theory 2011
Nader Jafari Rad Lutz Volkmann

A Roman dominating function on a graph G is a function f : V (G) → {0, 1, 2} satisfying the condition that every vertex u for which f(u) = 0 is adjacent to at least one vertex v for which f(v) = 2. The weight of a Roman dominating function is the value f(V (G)) =

Journal: :Barekeng 2023

Let is a simple and connected graph with as vertex set edge set. Vertex labeling on inclusive local irregularity coloring defined by mapping the function of . In other words, an so that its weight value obtained adding up labels neighboring label. The chromatic number minimum colors from in G, denoted this paper, we learn about determine book graphs.

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید