i reached the limit on the number of opened files error message
Đề tài "Stretched exponential estimates on growth of the number of periodic points for prevalent diffeomorphisms I " potx
... This also implies that the number of periodic points is bounded by an exponential function of the period The notion of a flat critical point used in [MMS] is a nonstandard one from the point of ... perturbation of any element of Diffr (M ) Another justification for considering diffeomorphisms in Euclidean space is that the problem of exponential/superexponential growth of the number of periodic points ... of initial points of I n ˜ × Measure of periodicity × Measure of hyperbolicity −1 The first term on the right-hand side of (3.24) is of order γn (up to an exponential function in n) In Section...
- 83
- 330
- 0
EFFECT OF THE NUMBER OF THE VERTICAL PIPES FOR THE PASSIVE AERATION ON THE COMPOSTING RATE
... aeration can be improved by increasing the number of the pipes in the pile’s bottom zone Furthermore, the distance between the pipes seems to facilitate the air penetration into the composting pile ... natural convection 2) The composting rate was increased in increasing in the number of the perforated pipes placed vertically in the composting bed within certain limits for air delivery in the composting ... effect of the number of the vertical pipes for air supply in the composting pile on the composting rate was investigated by measuring the bed temperature variations and the carbon content during the...
- 8
- 622
- 1
Đề tài " Growth of the number of simple closed geodesics on hyperbolic surfaces " docx
... geodesics on X and their relationship with the Weil-Petersson volumes of moduli spaces of bordered Riemann surfaces Simple closed geodesics Let cX (L) be the number of primitive closed geodesics of ... branches A lamination γ on S is carried by τ if there is a differentiable map f : S → S homotopic to the identity taking γ to τ such that the restriction of df to a tangent line of γ is nonsingular Every ... is the geodesic length of the measured lamination λ on X For more details see [Th] Counting integral multi-curves In this section, we study the growth of the number of integral multi-curves of...
- 30
- 441
- 0
Báo cáo hóa học: " REDUCING THE NUMBER OF FIXED POINTS OF SOME HOMEOMORPHISMS ON NONPRIME 3-MANIFOLDS" ppt
... From Figure 4.3, we know that the θ-direction of B (i, j;k) is mapped by s j into the θdirection of B( j,∗;∗) if I( i, j;k) > 0; the θ-direction of B (i, j;k ) is mapped by s j into opposition of the ... {B(ik ,i1 ; j1 ) ,B (i1 ,i2 ; j2 ) ,B (i2 ,i3 ; j3 ) , ,B(ik−1 ,ik ; jk ) } of the components of the intersection of sliding sets Since B(ik ,i1 ; j1 ) ranges in t-direction from one component of ... Mi ), where Mi = i Mi − Int(Di ) for ≤ i ≤ n and Mi = S2 × I for n + ≤ i ≤ n + n (see [8]) Each Mi admits the orientation coincident with that of M, and each ∂Mi inherits the orientation of Mi...
- 19
- 251
- 0
Báo cáo toán học: "A note on the number of (k, )-sum-free sets" potx
... that there are exactly ϕ maximal (k, )-sum-free arithmetic progressions with the difference ρ Precisely ϕr of them have length n/ρ and ϕ − ϕr are of length n/ρ Since these progressions are pairwise ... subsets of [1, n] are contained in arithmetic progression r mod ρ, where (k − )r ≡ mod ρ If d > ρ then every progression r mod d consists of at most n/(ρ + 1) elements hence it contains no more ... assumptions (1), (2) implies d |(k − )m Since A is a (k, )-sum-free set, it follows that (k − )m > td ≥ ( + − 2κ)Λ, which gives the required inequality Theorem Assume that k > ≥ are positive integers...
- 8
- 395
- 0
Báo cáo toán học: " ON THE NUMBER OF DESCENDANTS AND ASCENDANTS IN RANDOM SEARCH TREES" ppsx
... differential equation, with no appearance of the function itself, only the first and third derivatives The differential equation (14) is solvable: its explicit form (abridged) is the one given in the ... number of passes in quickselect, as given in the work by Kirschenhofer et al [17], and the number of ascendants in LBSTs relies on the initial conditions The reason is that in the mentioned paper only ... ] The next theorem gives the variance, which is now easy to obtain THE ELECTRONIC JOURNAL OF COMBINATORICS (1998), #R20 14 the insertion hits one of these leaves Figure The fringe heuristic Theorem...
- 26
- 360
- 0
Báo cáo toán học: "On the Stanley-Wilf conjecture for the number of permutations avoiding a given pattern" ppt
... mentions the “stronger conjecture” that for every σ, the limit of F (n, σ)1/n exists and is finite According to Wilf (private communication, 1999) the original conjecture was of this latter form In ... this short note we give, as Theorem 1, a simple argument, involving subadditivity, which shows that the two versions of the conjecture are equivalent Here is some background information on the ... k Theorem There exists an n-permutation, with n = k2 , containing every k-permutation as a subpattern; i. e m(k) ≤ k the electronic journal of combinatorics (1999), #N1 Proof Consider the lexicographic...
- 4
- 238
- 0
Báo cáo toán học: "On the number of perfect matchings and Hamilton cycles in -regular non-bipartite graphs" ppsx
... see this, observe that the edge (x, x ) may be chosen in ni ways (minimality of x fixes the orientation of the edge), and that the choice of (x, x ) combined with the information provided by the ... assuming we consider the partition A, B distinct from B, A There is slack in the calculation in [2] and this will absorb the − o(1) term and so (5) proves the lower bound in Theorem For the upper ... spanning tree of G by (i) deleting the lexicographically first edge of each cycle of Df and then (ignoring orientation) extending the electronic journal of combinatorics (2000), #R57 10 √ the kf...
- 11
- 336
- 0
Báo cáo toán học: "A note on the number of edges guaranteeing a C4 in Eulerian bipartite digraph" pot
... even if the graph is very dense, the extreme case being an acyclic orientation of a complete bipartite graph) The most interesting and natural constraint is the requirement that the digraph ... must be biregular and the cardinality of each vertex class of G must be divisible by For any pair m and n both divisible by it is easy to construct a biregular Eulerian bipartite digraph with edge ... + 1, the electronic journal of combinatorics (2001), #N6 giving inequality (a) To prove inequality (b), let M be the submatrix of M consisting of rows βm+1, , m and all columns of M Since...
- 6
- 282
- 0
Báo cáo toán học: "On the number of permutations admitting an m-th root" pptx
... extended only to all divisors of the quadratfrei radical q of m Indeed, only the quadratfrei divisors of m have a non trivial contribution 3.2 The contribution of the rectangular m-th powers to the ... of the ring some positive power of which belongs to I; in the present situation, q(m) is the positive generator of the radical of the ideal of Z generated by m the electronic journal of combinatorics ... permutations is stable under conjugacy in n This characterisation, already mentioned in [Be] is established in section The computation of the exponential generating function (EGF) Pm of these...
- 12
- 302
- 0
Báo cáo toán học: " ON THE NUMBER OF FULLY PACKED LOOP CONFIGURATIONS WITH A FIXED" pot
... (usually) in bijection with families of non-intersecting lattice paths We shall make use of this bijection in Section 6, together with the main result on the enumeration of non-intersecting lattice ... the number of FPL configurations corresponding to a given matching is invariant under rotation of the “positioning” of the matching around the square As we mentioned already in the introduction, ... precisely, in Case (2), this region is the reflexion of the corresponding cut off part of the triangle in the right side of Qn , and in Case (3) it is that region and also the reflexion of the corresponding...
- 43
- 272
- 0
Báo cáo toán học: "A Note on the Number of Hamiltonian Paths in Strong Tournaments" ppsx
... occur in the same order on Ri as they on Pi (resp Qi ) Now H = R1 vR2 is a hamiltonian path of T Furthermore, distinct hamiltonian paths of T [A] (resp T [B]) give distinct hamiltonian paths of ... allow the special case where m = 0; in this case the path Q is a path on vertices, and R = P satisfies the lemma trivially The remainder of the proof is by induction on m For m = 1, let i be the minimal ... v1 gives the transitive tournament of order n As noted by Moon [1], there is a bijection between partitions of V \ {v1 , } and hamiltonian paths that include the arc → v1 , and there is a unique...
- 4
- 335
- 1
Báo cáo toán học: "On the number of possible row and column sums of 0,1-matrices" pps
... we fill in p (i, j) by induction on i, using part (2) if i ≤ j and part (3) if i > j A generalization We mention a mild generalization of Theorem and its corollary Define the polynomial |x| P = ... y1 of the vector y We will need a subsidiary function Let N(λ; t) be the number of solutions of (i) and (ii) with y1 = t By definition, N(λ) = t≥0 N(λ; t) We need one more definition to state the ... 1)m−n+1 if ≤ n ≤ m Indeed each of the n terms in the sum representing p(m, n) is divisible by this quantity A second consequence of part (3) is an efficient algorithm for computing p(m, n) Algorithm...
- 6
- 241
- 0
Báo cáo toán học: "On the number of orthogonal systems in vector spaces over finite fields" ppsx
... research is performed during the author’s visit at the Erwin Schr¨dinger International o Institute for Mathematical Physics The author would like to thank the ESI for hospitality and financial support ... zeros (with Jnq,d is the all one matrix and Inq,d is the identity matrix, both of size nq,d × nq,d ) Therefore, the largest eigenvalue of V is Dq,d and the absolute values of all other eigenvalues ... construction of Alon and Krivelevich [1] Let P G(q, d) denote the projective geometry of dimension d − over finite field q The vertices of P G(q, d) correspond to the equivalence classes of the...
- 4
- 259
- 0
Báo cáo toán học: "On the number of genus one labeled circle trees" doc
... not different Only the edges of K1 and K viii iii viii iii and edge iii-viii are represented edges of K1 edges of K2 Figure 9.3 Definition 11 Let K2 be the subgraph of C such that it consists of ... goal is to determine the parity of the number of possible constructions of: union of e-graph vi − ii, consisting of a single edge, and all the uncrossed edges connecting to e-graph vi − ii with the ... n−2 is divisible by ) p is equal to the number of possible ways of constructing the union of e-graph vi − ii and all the uncrossed edges connecting to e-graph vi − ii with the restriction that they...
- 34
- 288
- 0
Báo cáo toán học: "On the Number of Planar Orientations with Prescribed Degrees" pptx
... distinguished edge of G An orientation X of the edges of G is an e-bipolar orientation of G if it is acyclic, s is the only vertex e-bipolar without incoming edges and t is the only vertex without ... Eulerian orientation of G0 , but there are Eulerian orientations of G0 , which not come from a Eulerian orientation of G Given a Eulerian orientation of G0 we call the orientation of the edges incident ... W in every α-orientation of M Such an edge with the same direction in every α-orientation is a rigid edge rigid We denote the number of α-orientations of M by rα (M ) Let M be a family of pairs...
- 41
- 359
- 0
Báo cáo toán học: "On the Number of Matchings in Regular Graphs" pptx
... Equalities in (2.12-2.15) hold if and only if G is either a union of copies of C , or a union of copies of C4 and a copy of Ci for i = 5, 6, 7, respectively Equalities in (2.16-2.18) hold if and only ... deduce pi qj − qi pj = pi pj − pi pj + x(pi pj−2 − pi−2 pj ) = (−1 )i 1 xi pj i 1 (3.13) Therefore, if i is odd then qi pj pi qj If i is even then pi qj qi pj These inequalities yield slightly ... Proof Let ≤ i, j and consider the path Pi+j By considering the generating matching polynomial without the match (i, i + 1) and with match (i, i + 1) we get the identity pi+j = pi pj + xpi−1...
- 28
- 263
- 0
Báo cáo toán học: "A Note on Divisibility of the Number of Matchings of a Family of Graphs" ppt
... he proves divisibility by powers of for the number of matchings of the square grid graph Theorem For n odd, the number of perfect matchings of Gn is a multiple of n+1 Proof We use the term block ... pair up under the forces of hydrogen bonding When finding a formula for the number of perfect matchings of a graph has seemed hard, researchers have focused on the questions of divisibility of the ... Enumeration of Matchings: Problems and Progress, New Perspectives in Geometric Combinatorics, MSRI Publications, 38, (1999) 255-291 [2] P W Kasteleyn, The statistics of dimers on a lattice I: The number...
- 4
- 344
- 0
Báo cáo toán học: "On the number of independent sets in a tree" pdf
... An interesting paper of Wagner [5] looks at the number of independent sets modulo m Wagner showed that the proportion of trees on n vertices with the number of independent sets divisible by ... section, we turn to the number of matchings in a graph This is also known as the Hosoya index, or the Z-index in mathematical chemistry For a rooted tree T , let Z(T ) be the number of matchings ... covering the root In [5], Wagner also mentioned that for any m ∈ N, the proportion of trees on n vertices with Z(T ) a multiple of m tends to as n tends to infinity The inverse problem in the family...
- 5
- 263
- 0
Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25