INVESTIGATION INTO NEGATIVE-STIFFNESS VIBROISOLATION TABLE “MINUS K 500BM-1” / NEIGIAMOJO STANDUMO VIBROIZOLIACINIO STALIUKO „MINUS K 500BM-1“ TYRIMAS
نویسندگان
چکیده
منابع مشابه
The minus k-domination numbers in graphs
For any integer , a minus k-dominating function is afunction f : V (G) {-1,0, 1} satisfying w) for every vertex v, where N(v) ={u V(G) | uv E(G)} and N[v] =N(v)cup {v}. The minimum of the values of v), taken over all minusk-dominating functions f, is called the minus k-dominationnumber and is denoted by $gamma_k^-(G)$ . In this paper, we introduce the study of minu...
متن کاملMinus domination number in k-partite graphs
A function f de1ned on the vertices of a graph G = (V; E); f :V → {−1; 0; 1} is a minus dominating function if the sum of its values over any closed neighborhood is at least one. The weight of a minus dominating function is f(V ) = ∑ v∈V f(v). The minus domination number of a graph G, denoted by −(G), equals the minimum weight of a minus dominating function of G. In this paper, a sharp lower bo...
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The closed neighborhood NG[e] of an edge e in a graph G is the set consisting of e and of all edges having a common end-vertex with e. Let f be a function on E(G), the edge set of G, into the set {−1, 0, 1}. If ∑ x∈N [e] f(x) ≥ 1 for at least k edges e of G, then f is called a minus edge k-subdominating function of G. The minimum of the values ∑ e∈E(G) f(e), taken over all minus edge k-subdomin...
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where d is a positive integer, 0≤ i< d and r0,r1, . . .rd−1 are rational numbers, such that the famous 3x+1 conjecture holds if and only if the R-orbit of 2n contains 2 for all positive integers n. We then show that the R-orbit of an arbitrary positive integer is a constant multiple of an orbit that contains a power of 2. Finally we apply our main result to show that any cycle {x0, . . . ,xm−1}...
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A function f defined on the vertices of a graph G = (V ,E), f : V → {−1, 0, 1} is a total minus dominating function (TMDF) if the sum of its values over any open neighborhood is at least one. The weight of a TMDF is the sum of its function values over all vertices. The total minus domination number, denoted by −t (G), of G is the minimum weight of a TMDF on G. In this paper, a sharp lower bound...
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ژورنال
عنوان ژورنال: Mokslas - Lietuvos ateitis
سال: 2012
ISSN: 2029-2341,2029-2252
DOI: 10.3846/mla.2011.112