BACKGROUND Tumor necrosis factor-α (TNF-α) may play an important role in the recalcitrant inflammatory and hyperproliferative dermatosis of psoriasis, and there may be a relationship between TNF-α polymorphisms and psoriasis risk. METHODS We performed a meta-analysis to evaluate the associations between TNF-α polymorphisms and psoriasis. Electronic searches of Pubmed, Embase, and Web of Scien...

In a recent article Agrawal et al. (STACS 2016) studied a simultaneous variant of the classic Feedback Vertex Set problem, called Simultaneous Feedback Vertex Set (Sim-FVS). In this problem the input is an n-vertex graph G, an integer k and a coloring function col : E(G)→ 2[α], and the objective is to check whether there exists a vertex subset S of cardinality at most k in G such that for all i...

Proof. Without loss of generality, we assume that pu > 0, qd > 0, pi 6= 0 for i = 1, · · · ,m, and qj 6= 0 for j = 1, · · · , n. First of all, it is easily seen that G(x) − α has the same roots as (G(x)−α) mi=1(x−ηi) ∏n j=1(x+ θj), which is a polynomial with order m+n+2. This implies that for any α ∈ R, the function G(x) = α has at most (m + n + 2) real roots. From now on we shall show that for...

Assume that g(t) ≥ 0, and ġ(t) ≤ −γ(t)g(t) + α(t, g(t)) + β(t), t ≥ 0; g(0) = g0; ġ := dg dt , on any interval [0, T ) on which g exists and has bounded derivative from the right, ġ(t) := lims→+0 g(t+s)−g(t) s . It is assumed that γ(t), and β(t) are nonnegative continuous functions of t defined on R+ := [0,∞), the function α(t, g) is defined for all t ∈ R+, locally Lipschitz with respect to g u...

The Grundy domination number, γgr(G), of a graph G is the maximum length sequence (v1,v2,…,vk) vertices in such that for every i∈{2,…,k}, closed neighborhood N[vi] contains vertex does not belong to any N[vj], where j<i. It well known number greater than or equal upper Γ(G), which turn independence α(G). In this paper, we initiate study class graphs with Γ(G)=γgr(G) and its subclass consisting ...

Asphodeline Reichb. cinsi gıda ve ilaç kaynağı olarak büyük bir ilgiye sahiptir. Bu çalışmada, baytopiae Tuzlaci’’nin (Xanthorhoeaceae) farklı kısımlarından (kök, gövde, yaprak tohum) elde edilen çözücü ekstraktlarının (aseton, metanol su) biyolojik aktiviteleri belirlenmiştir. Biyolojik özellikleri için; antioksidan enzim inhibitör etkileri ortaya konulmuştur. Serbest radikal (DPPH ABTS), indi...

Let G be a graph on n vertices with independence number α. What is the largest k-connected subgraph that G must contain? We prove that if n is sufficiently large (n ≥ αk + 1 will do), then G always contains a k-connected subgraph on at least n/α vertices. This is sharp, since G might be the disjoint union of α equally-sized cliques. For k ≥ 3 and α = 2, 3, we shall prove that the same result ho...

In this paper, we give a sufficient condition on a linear operator Lp(a, c)g(z) which can guarantee that for α a complex number with Re(α) > 0, Re { (1− α)p c)f(z) Lp(a, c)g(z) + α Lp(a + 1, c)f(z) Lp(a + 1, c)g(z) } > ρ, ρ < 1, in the unit disk E, implies Re { Lp(a, c)f(z) Lp(a, c)g(z) } > ρ ′ > ρ, z ∈ E. Some interesting applications of this result are also given.

A graph G is 3-domination critical if its domination number γ is 3 and the addition of any edge decreases γ by 1. Let G be a 3-domination critical graph with toughness more than one. It was proved G is Hamiltonconnected for the cases α ≤ δ (Discrete Mathematics 271 (2003) 1-12) and α = δ + 2 (European Journal of Combinatorics 23(2002) 777-784). In this paper, we show G is Hamilton-connected for...

Suppose that G has a representation group H , that Gab := G/[G,G] is compactly generated, and that A is a C∗-algebra for which the complete regularization of Prim(A) is a locally compact Hausdorff space X . In a previous article, we showed that there is a bijection α 7→ (Zα, fα) between the collection of exterior equivalence classes of locally inner actions α : G → Aut(A), and the collection of...