Báo cáo toán học: "Words with intervening neighbours in infinite Coxeter groups are reduced" doc
Báo cáo toán học: " Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworking" ppt
... considered in this study. In Section 3, we introduce the approaches to analyze video3 Resource reservation for mobile hotspots in vehicular envi-ronments with cellular/WLAN interworkingWei SongFaculty ... made available soon. Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworkingEURASIP Journal on Wireless Communications and Networking 2012,2012:18 doi:10.1186/1687-1499-2012-18Wei ... structureAs shown in Fig. 1, we focus on a vehicular network with a two-hop relay structure, which is supported bythe cellular/WLAN interworking. In a vehicular environment within mobile ambulances...
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Báo cáo toán học: " Nonlinear coupled fixed point theorems in ordered generalized metric spaces with integral type" potx
... coupled coincidence point and proved coupled coincidence and coupled common xed point results for mappings F from X ì X into X and g from X into X satisfying nonlinear contraction in ordered metric ... fixed point in generalized ordered metric space. Recently,Choudhury and Maity [36] initiated the study of coupled fixed point in generalized ordered metric spaces. In this article, we derive coupled ... V: Fixed point theorems in partially ordered metric spaces and appli-cations. Nonlinear Anal. 65 1379–1393 (2006)7. Lakshmikantham, V,´Ciri´c, Lj: Coupled fixed point theorems for nonlinear...
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Báo cáo toán học: " Case report: successful lipid resuscitation in multi-drug overdose with predominant tricyclic antidepressant toxidrome" ppt
... available soon. Case report: successful lipid resuscitation in multi-drug overdose with predominant tricyclic antidepressant toxidromeInternational Journal of Emergency Medicine 2012, 5:8 doi:10.1186/1865-1380-5-8Martyn ... increased aqueous:octanol partitioning of bupivacaine with reducing pH [10], and the findings of Mazoit et al. purporting a lowered bupivacaine -lipid binding capacity with acidosis [11]. In ... manifestations of tricyclic antidepressant intoxication following self-poisoning with multiple pharmaceuticals including amitriptyline in excess of 43 mg/kg, in a 51-year-old male. Institution of...
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Báo cáo toán học: "Contractions with ($sigma$, c) defect operators " pdf
... class="bi x0 y1 w7 h 3" alt ="" ...
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Báo cáo toán học: "Operators with spectral singularities " ppt
... alt ="" ...
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Báo cáo toán học: "Submanifolds with Parallel Mean Curvature Vector Fields and Equal Wirtinger Angles in Sasakian Space Forms" potx
... question in contact geometry, i.e.,closed submanifolds with equal Wirtinger angles and parallel mean curvature vector fields, immersed into a Sasakian space form, and obtain the following:Theorem ... 149–160Submanifolds with Parallel Mean Curvature Vector Fields and Equal Wirtinger Angles in Sasakian Space Forms*Guanghan LiSchool of Math. and Compt. Sci., Hubei University, Wuhan 430062, ChinaReceived ... submanifolds in complex space forms and Chen’s inequality, Acta.Math. Sci. 25 (2005) 223–232.15. G. Li, Submanifolds of complex space forms with equal Kăahler angles and parallel mean curvature vector...
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Báo cáo toán học: " How to find overfull subgraphs in graphs with large maximum degree, II" ppsx
... 249–251.[8] T. Niessen. How to find overfull subgraphs in graphs with large maximum degree.Discrete Applied Math. 51 (1994), 117–125.[9] L. Perkovic and B. Reed. Edge colouring regular graphs of high ... Thereby, we find all induced∆ -overfull subgraphs of G with more than |V (ker(G))|−∆(G) vertices. The second phaseconsists of finding a certain edge cut F of ker(G )with| F |≤∆(G) − 2. Let H be aninduced ... contradiction.Now we are in a position to prove the main results.Theorem 4.3 Algorithm 2 finds all induced ∆ -overfull subgraphs of a graph G with 3∆(G) > |V (G)|.Proof. First, we have to show that Algorithm...
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Báo cáo toán học: "Words restricted by patterns with at most 2 distinct letters" pptx
... 33111 322 24 → 331 322 2411 → 331 324 221 1→ 3431 322 211 → 3431 322 211 ∈ [4]10(1 12) .(7)the electronic journal of combinatorics 9 (2) (20 02) , #R3 15 Corollary 16 For any p ≥ 0Fvp,0(x; 2) = expj=0xjj!.Proof. ... 121 }, {1 12, 121 }, {1 12, 122 }, {1 12, 21 1}, {1 12, 21 2}, {1 12, 22 1}, { 121 , 21 2}.Theorem 5 The pairs {111, 1 12} and {111, 121 } are Wilf equivalent, andF111, 121 (x, y) = F111,1 12 (x, y) =e−x1 ... from definition that there are nf1 12, 121 ,21 1(n − 1, k − 1) andf1 12, 121 ,21 1(n, k − 1) such α, respectively. Hence,f1 12, 121 ,21 1(n, k) = f1 12, 121 ,21 1(n, k − 1) + nf1 12, 121 ,21 1(n − 1, k −...
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Báo cáo toán học: "Sorting with a Forklift" doc
... augment theautomaton with green and amber plates, a dictionary, and a notepad. The dictionarycontains a chosen representative of each equivalence class of rise-fall sequences. Metaphor-ically, the ... natural toassociate with a data structure the collection of such permutations which it can realize.Furthermore, most natural data structures have a hereditary property. That is, if theycan ... to data structures in this way is greatly facilitatedby keeping this connection in mind. Generally speaking, thinking about how the data areassigned to storage, manipulated within storage, and...
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Báo cáo toán học: "Strings with maximally many distinct subsequences and substrings" ppsx
... absence of eachcharacter, is distinct. Note that (2/3 −d)d≤ C(d)1≤ (2 + d)d, for some d→ 0.3 Strings with maximally many distinct substringsWe close with a solution to a simpler ... string, but for d = 2 no such infinite string exists.2 Strings with maximally many distinct subsequences Let Σ be a finite alphabet of size d; without loss of generality we take Σ = [d]. LetA =(a1,a2, ... n, (5)the electronic journal of combinatorics 11 (2004), #R8 4 Strings with maximally many distinct subsequences and substringsAbraham FlaxmanDepartment of Mathematical SciencesCarnegie...
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Báo cáo toán học: "Coloring with no 2-colored P4’s" pdf
... and w with the same color. Now the vertex v between u, w on P4is not inC, but since u, w areatdistanceatleast3onC the path uvw together with one of theu, w-segments of C yields a shorter non-contractible ... preliminariesSuppose F is a nonempty family of connected bipartite graphs, each with at least 3vertices. An r-coloring of a graph G is said to be F-free if G contains no 2-colored subgraphisomorphic ... otherwise it would contain a 2-colored P4). We will use the following terminology.Definition 2.1. An r-coloring of G is called a star coloring if there are no 2-colored pathson 4 vertices....
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Báo cáo toán học: "Words avoiding a reflexive acyclic relation" doc
... WaterlooWaterloo, Ontario CANADA N2L 3G1ipgoulde@math.uwaterloo.caCurtis GreeneDepartment of Mathematics, Haverford CollegeHaverford, PA 19041cgreene@haverford.eduDedicated to Richard Stanley ... a combinatorial explanation for (24) and (25). First, some notation.Since A is defined by a tree, there is a unique (alternating) path between any pair ofdistinct vertices. For a, b ∈ [n], a ... wordsin L (A) in the special case when A is a reflexive and acyclic relation on X.Atypicalexample is the following: let X = {1, 2, 3} and A = {(1, 1), (2, 2), (3, 3), (1, 3)} so thatL (A) is the...
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Báo cáo toán học: "Graphs with chromatic roots in the interval (1, 2)" doc
... continuitythat the chromatic polynomial has a root in the interval (1, 2).We can perform a similar analysis on the graphs obtained by adding the single edgev1v4to X(s, t) with the following ... an in nite family of 3-connected non-bipartite graphs with chromatic roots in the interval (1, 2) thus resolving a conjecture of Jackson’s in the negative. In addition, we briefly consider other ... chromatic roots in (1, 2). In this paper we demonstrate that this conjecture is false, by providing an in nitefamily of 3-connected non-bipartite graphs with chromatic roots in (1, 2), and then...
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Báo cáo toán học: "Topological circles and Euler tours in locally finite graphs" pptx
... containing a finite odd cut of Gextends to an element of C.1 IntroductionErd˝os et al. [17] characterised the in nite graphs G containing an Euler tour, that is, atwo-way in nite walk traversing ... ny arc in |G| with on e endpoint in X and one in Y contains an edge from F .4 Euler tours In this section we prove Theorem 1.3, but before we do so let us consider an example indi-cating why, ... applications in the study of hamil-tonicity in infinite graphs. If G is a locally finite graph then we define a Hamilton circleof G to be a circle in |G| containing all vertices (and hence also...
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Báo cáo toán học: "Words with intervening neighbours in infinite Coxeter groups are reduced" doc
... words.1 Words with intervening neighbours Let G be the Coxeter graph of a Coxeter group with generators S. Consider a word w in the alphabet S.Definition 1.1. A word has the intervening neighbours property ... groups. the electronic journal of combinatorics 17 (2010), #N9 3 Words with intervening neighbours in infinite Coxeter groups are reducedHenrik Eriksson∗and Kimmo Eriksson†Submitted: Aug 5, ... correspo nding path in the root automaton. To begin with, the1 in the initial state will propagate to neighbour vertices, then to their neighbours, and soon. Because of the intervening neighbours...
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