scan a string for characters not a given set
In order to become competent in a foreign language, it is important for language learners not only to acquire new vocabularies and a new set of phonological and syntactic rules but also to learn what Wilson (1986)
... ngữ Nam Bộ Như vậy, không gian đ a lí tiếng miền Nam, phương ngữ miền Nam hay phương ngữ Nam tác giả xác đònh rộng Không gian đ a lí phương ngữ Nam Bộ xác đònh hẹp Ranh giới PNNB trùng với ranh ... (từ thû ấy/ đến nay), thû (từ thû ấy/ đến giờ) V a rút gọn v a đảo trật tự câu nghi vấn tính chất, đặc điểm: bao cao (cao bao nhiêu), bao dai (dài bao nhiêu), bao lớn (lớn bao nhiêu)… Rút gọn, ... Long An, Tiền Giang, An -18- Giang, Kiên Giang, Cà Mau, Sóc Trăng, Bạc Liêu, Đồng Tháp, Bến Tre, Hậu Giang, Vónh Long, Trà Vinh thành phố Cần Thơ Vò trí đ a lí Nam Bộ: ph a bắc tây - bắc giáp Cam-pu-chia,...
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Báo cáo toán học: "On the Stanley-Wilf conjecture for the number of permutations avoiding a given pattern" ppt
... permutation in Sn avoids σ and demonstrates that F (n, σ) ≥ for every n ≥ Fekete’s lemma [4], see also [9], is that if a1 , a2 , ∈ R satisfy for all m, n ≥ 1, am + an ≤ am+n , then limn→∞ an ... (1999) On the number of permutations avoiding a given pattern J Combinatorial Theory, Ser A, to appear [2] B´na, M (1997) Exact and asymptotic enumeration of permutations with subsequence condio ... The art of computer programming Addison-Wesley, Reading, MA [7] Regev, A (1981) Asymptotic values for degrees associated with strips of Young diagrams Adv Math 41, 115-136 [8] Simion, R., and...
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Báo cáo toán học: "Generating functions for permutations which contain a given descent set" pot
... the remaining bricks, and the labels on cells and are x, the label on cell is 1, and the remaining labels are as before We can accomplish this by replacing hn in (5.5) by pu for an appropriate u ... (1.2) A surprisingly large number of results on generating functions for various permutation statistics that have appeared in the literature as well as a large number of new generating functions for ... interpret as taking such a filling and labeling cells and with x, labeling cell with 1, and labeling each remaining cell which is not at the end of a brick with either x or −1, and labeling each cell at...
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Báo cáo sinh học: "Results of a whole genome scan targeting QTL for growth and carcass traits in a Piétrain × Large White intercross" potx
... et al [19] and recombination rates were estimated accordingly This yielded a marker map flanking a total of 20.74 sex-averaged Morgans (Kosambi), with an average distance of 18 cM between adjacent ... boars mated on average to four females, and 45 F1 sows mated to an average of 1.8 males Average offspring per boar were 26.4 and per sow 11.7 Selection was not based on performance criteria 2.2 ... availability and family structure, we selected a set of 528 F2 individuals to perform a whole genome scan in search for QTL affecting growth and carcass characteristics These F2 individuals are...
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Formation of Aerobic Granular Sludge in a Continuous-Flow Reactor – Control Strategy for the Selection of Well-Settling Granular Sludge
... granular sludge used for characterization of sludge washout and retention was obtained from another AUFB reactor that had been operated using ammonia-rich wastewater Details of the granular sludge ... reactor Both surface loading and aeration rates affect the selection of well-settling sludge and the formation of aerobic granular sludge By setting and controlling adequate surface loading and ... biomass was not excessively washed out in this study, and therefore, nitrification performance was stable, as shown in Figs and The value of SVI gradually decreased due to aerobic granulation, as...
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The impact of technology on team functioning within a given organization
... Contrast with formal group, with individual needs and demand, people gather creating informal group Within formal organization, it can appear a lot of informal groups Informal group relates more ... goals, and share an approach to work for which they hold themselves mutually accountable.”14(Mandatory Unit 3: Organizations and Behaviors, 2004, p251-252) A virtual team is an evolutionary form ... p.231) has defined team as A formal group established to achieve particular objective” 3.Now, team work is also evaluated important skill Working in a team must be practiced, as collaboration...
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Đề tài " The distribution of integers with a divisor in a given interval " ppt
... of Mathematics and Informatics, Bulgarian Academy of Sciences Finally, the author acknowledges the referee for a thorough reading of the paper and for helpful suggestions This work was partially ... West for helpful conversations regarding probability estimates for uniform order statistics The author also thanks G´rald Tenenbaum for several preprints of his work and for informe ing the author ... fixed or grow at a moderate rate as a function of x Estimates with these A are given in [16] One example which we shall examine in this paper is when A is a set of shifted primes (the set Pλ = {q...
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Báo cáo khoa học: and protein bilinear indices – novel bio-macromolecular descriptors for protein research: I. Predicting protein stability effects of a complete set of alanine substitutions in the Arc repressor ppt
... Burgos-Roman J (2000) Algebra Lineal y Geometra Cartesiana 2nd edn McGraw-Hill Interamericana de Espana, Madrid 62 de Burgos-Roman J (1994) Curso de Algebra y Geometra Alambra Longman, Madrid, Espana ... DP% PA8-st 6a SA35-st6 NA34-st11 NA11-st 6a QA39-st11 GA52-st11 KA6-st 6a RA16-st6 VA25-st6 10 MA4-st6 11 Arc-st 6a 12 EA27-st6 13 KA2-st6 14 QA9-st6 15 GA3-st6 16 MA1-st 6a 17 Arc-st11 18 SA5-st6 ... to obtain mathematical models These statistical analyses were carried out using the statistica software package [77] Forward stepwise was xed as the strategy for variable selection in the case...
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báo cáo hóa học:" Prevalence of visual impairment in relation to the number of ophthalmologists in a given area: a nationwide approach" ppt
... Primary open-angle glaucoma and age-related macular degeneration are the main two diseases leading to blindness in Western developed countries Apart from cataract surgery, treatments are available ... statistics on geographical area were available During the 1999 national census a filtering survey called "Everyday Life and Health" was added A total of 2,275 geographical areas were picked at ... visual impairment rates and indicators of other eye-care activities, such as number of visits/inhabitant, glaucoma diagnosis campaign, etc Inequality of quality of care could also be a factor...
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Báo cáo hóa học: " FIXED POINT SETS OF MAPS HOMOTOPIC TO A GIVEN MAP" pot
... point sets of maps of pairs Given a compact polyhedral pair (X ,A) , let Z = cl(X − A) denote the closure of X − A For any subset Φ ⊆ X, let A = A ∩ Φ We call (Φ, A ) a subset pair of (X ,A) For any ... (X ,A) → (X ,A) be a map of a compact polyhedral pair in which X and A have no local cutpoints Suppose (Φ, A ) is a subpolyhedral pair such that (1) A − A is not a 2-manifold, (2) A can be by-passed ... a compact polyhedral pair in which X and A have no local cutpoints Suppose (Φ, A ) is a subpolyhedral pair such that (1) A − A and all components of X − (A ∪ Φ) are not 2-manifolds, (2) f satisfies...
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Báo cáo toán học: " A [k, k + 1]-Factor Containing A Given Hamiltonian Cycle" pptx
... a ≤ b, an [a, b]-factor of G is defined to be a spanning subgraph F of G such that a ≤ dF (x) ≤ b for all x ∈ V (G), and an [a, a] -factor is abbreviated to an a- factor A subset M of E(G) is called ... existence of connected factors, Australasian Journal of Combinatorics 14 (1995) 77-83 [6] Yanjun Li and Cai Mao-cheng, A degree condition for graphs to have [a, b]factors, J Graph Theory 27 (1998) ... theorem, which is a special case of Lov´sz’s a (g, f )-factor theorem [7]([10]) Theorem Let G be a graph and a and b be integers such that ≤ a < b Then G has an [a, b]-factor if and only if γ(S,...
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Báo cáo toán học: "The order of monochromatic subgraphs with a given minimum degree" doc
... Dierker and W Voxman, Either a graph or its complement is connected : A continuing saga, Mathematics Magazine, to appear [3] D W Matula, Ramsey Theory for graph connectivity, J Graph Theory (1983), ... put Ai = Ai \ Ai Color its edges with the color i Now for each j = i we place a bipartite graph whose sides are Ai and Aj ∪ Bj and whose edges are colored i The degree of all the vertices of Aj ... S Also, add to P all other vertices of V (G) \ (X ∪ S) and all their incident edges Notice that the obtained subgraph is a k-subgraph of G that contains a vertex of X, a contradiction Now assume...
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Báo cáo toán học: "The maximum number of perfect matchings in graphs with a given degree sequence" docx
... the rows and columns of the adjacency matrix of G it is a block diagonal matrix in which every block is an all-1 square matrix, and as our graph G has no loops, this means that it is a union of ... states n perm A ≤ (ri !) ri , (2.1) i=1 where equality holds (if no ri is zero) iff up to permutation of rows and columns A is a block diagonal matrix in which each block is a square all-1 matrix ... and J Kahn, Entropy bounds for perfect matchings and Hamiltonian cycles, to appear [3] S Friedland, An upper bound for the number of perfect matchings in graphs, arXiv: 0803.0864v1, March 2008...
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Báo cáo toán học: "Graphs with many copies of a given subgraph" ppt
... complete bipartite graph with parts of size s and t; - f |X for the restriction of a map f to a set X Specific notation Suppose that G and H are graphs, and let X be an induced subgraph of H - ... the sets Yi are the same for all i ∈ A Note that for every i ∈ A and every v ∈ Xi , the neighbors of v in hi (H ) belong exactly to the same d vertex classes of R Letting m = p/2r−2 , we may and ... a bipartite graph F with parts A and B, joining u ∈ A to v ∈ B if uv ∈ M Set s = (c2 /16) ln n and note that s ≤ (c/4)n + Since e(F ) = |M | ≥ cn2 > (c/2)n2 , Lemma implies that F contains a...
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Báo cáo toán học: "On the Sn-modules generated by partitions of a given shape" doc
... 96)462 Note that these eigenvalues all have the form 2a 3b ; is there an explanation for this that might extend to other n × rectangles? Coker [2] suggests an algorithm to diagonalize M (n,n,n) and ... that M λ is invertible for several classes of Young diagrams, namely hooks and diagrams with two rows, using a construction which is nearly identical in both cases The case of hooks is already ... diagonalized by Coker [2] in the rectangular cases λ = (n, n) as well as λ = (m, m, m) for ≤ m ≤ Note that M λ is square (specifically |H λ | × |H λ |) and symmetric, hence diagonalizable, and...
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Báo cáo toán học: "A graph-theoretic method for choosing a spanning set for a finite-dimensional vector space, with applications to the Grossman-Larson-Wright module and the Jacobian conjecture" pdf
... finite-dimensional vector space V from among a set of vectors X generated combinatorially, when it is not readily apparent how to order X or a canonical spanning set of V in a convenient way The motivation for ... The Graph Method It is well known that a square zero pattern matrix guarantees non-singularity if and only if it is permutationally equivalent to a triangular pattern with nonzero diagonal entries: ... Lemma 4.2 we have used a basis X = Tm (r, e) for Vm (r, e) and have found a spanning set Y for Vm (r, e), so we have not used the full force of Corollary 2.13, which allows X to be a spanning set...
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Báo cáo toán học: "Infinitely many hypermaps of a given type and genus" pot
... such a way that (v0 , v1 , v2 ) is still a triangular face Each time we introduce a wedge to a face, we are also adding two more triangular faces to the map And if the original map is 2-face colourable, ... the faces adjacent to the boundary components are important because we want the final map to be also 2-face colourable and this is only possible if we have no adjacent faces of the same colour after ... #R148 26 and −1 + i, the vertex at to and + i, and the vertex at 2i to + i and −1 + i We have then, at this stage, three triangular faces and one face of valency Inside this hexagonal face we add...
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Báo cáo toán học: "On the number of subsequences with a given sum in a finite abelian grou" pptx
... and Analytic Theory, Pure and Applied Mathematics, vol 278, Chapman & Hall/CRC, 2006 [15] A Geroldinger, Additive group theory and non-unique factorizations, Combinatorial Number Theory and Additive ... Math 37 (2007), 1541– 1550 [12] W.D Gao, A Geroldinger and Q.H Wang, A quantitative aspect of non-unique factorizations: the Narkiewicz constants, International Journal of Number Theory, to appear ... that Sb−1 contains exactly r minimal zero-sum subsequences, which is a contradiction This proves Claim A Choose a term c in T1 but not in T2 By Claim A, we have that c is in another Ti , say...
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