Báo cáo toán học: "Hard Squares with Negative Activity and Rhombus Tilings of the Plane" pdf
Báo cáo toán học: "Hard Squares with Negative Activity and Rhombus Tilings of the Plane" pdf
... 10)-invariant rhombus tilings. We get another four tilings with the same property bytiling the plane with the diamond rhombus, i.e., the dark rhombus in the very middle of the magnified picture on the ... Balanced rhombus tilings Our proofs of Conjectures 1 and 2 are based on a concrete formula for Z(Σm,n)intermsofcertain rhombus tilings of the plane; see Theorem 1.1 below. The kind of rhombus ... consisting of the linear polynomial t − 1 and anumber of factors of the form ts±1 such that gcd(m, s) =1.Another of the main results of this paper is a proof of Conjecture 2; see Theorem 3.4below.1.2...
- 46
- 337
- 0
Báo cáo toán học: "Hard Squares with Negative Activity on Cylinders with Odd Circumference" ppt
... row and noelements in columns with even index in the third row. For other positions in the thirdrow and below, there are no restrictions imposed by the presence of the vertices 2, j. the ... Proceed-ings of the XXIII I UPAP International Conference on Statistical Physics, Genova,Italy, 2007. arXiv:0709.4120v1[8] J. Jonsson, Hard squares with negative activity and rhombus tilings of the ... 12: The set A in the proof of (c) consists of all vertices marked with a star,including the present vertices in the first row. Note that the induced subgraph on A is adisjoint union of copies of...
- 22
- 205
- 0
Báo cáo toán học: "Latin squares with forbidden entries" pdf
... coloring of K2n,2nusing the colors of the list at each edge.This paper will present the key lemma in the next section and then proceed to the proof of Theorem 5. We end with some discussions of the ... improper pairs, any other symbol of M,sayt,canbeusedtocomplete the 2 ×2 standard subsquares containing s in E, while the other 2m −2canbeused in any of the other 2 × 2 standard subsquares. If we ... thought of as the completebipartite graph Kn,n with vertices in one class corresponding to the rows of the array and vertices in the other the columns. So, edges in this representation of Kn,ncorrespondto...
- 9
- 215
- 0
Báo cáo toán học: "Vertex subsets with minimal width and dual width in Q-polynomial distance-regular graphs" docx
... · ) with d 3, o ther than(i)–(iv) above (and combinations of (i), (ii)).Finally, we describe the parameter arrays of the ρ-descendents of Φ:(A.3) Theorem([33, Theorem 6.9]). Let Φ be the ... X2, and by ( 4.4), (7.3), Y must be of the for m as in (8.20).Summary and remarksLet P be the set of descendents of Γ and w(P) = {w(Y ) : Y ∈ P}. In the table below,we list w(P) for each of the ... that the 5 families of t he first group in the ta ble are associated with r egularsemilattices, and that the 3 families of the second group have the classical parameters the electronic journal of...
- 32
- 249
- 0
Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II. ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx
... ε,providedr is sufficiently (in terms of ε) small compared to m + n.Acknowledgment The (core of the) present form of Theorem 1 and an idea incorporated in the proof of Theorem 3 are due to Noga Alon, ... arbitrary finite group? If some of the answers are negative, what are the best possible estimates of this sort?A slight modification of the approach used in the proof of Theorem 3 shows that for|A| ... ∈ S},where X and Y are thought of as two disjoint copies of G. Furthermore, consider the subgraph Γ0⊆ Γ, induced by all elements of A in the first copy and all elements of B in the second copy:Γ0=...
- 10
- 516
- 0
Báo cáo toán học: " Exchange Symmetries in Motzkin Path and Bargraph models of Copolymer Adsorption" ppsx
... increasing the numericalvalue of the activity, paths with larger numbers of visits will contribute more to the generating function and determine the thermodynamic phase of the model. We introduce the ... A-vertices) are attracted onto the adsorbing surface. The length of the period of the colouring changes the behaviour of the system.There are also other directed path models of polymer adsorption which ... eβ, then in the language of statistical mechanics β can be called a fugacity,andv isan activity. In these models the activity is a parameter which controls the strength of interaction of the paths...
- 24
- 257
- 0
Báo cáo toán học: "Random Cayley graphs are expanders: a simple proof of the Alon–Roichman theorem" potx
... below, the elements of graph theory, representation theory, and probability theoryrequired for the statement of the theorem and the subsequent proof. The exposition here isprimarily for the purposes ... graphs are expanders: a simple proof of the Alon–Roichman theoremZEPH LANDAUDepartment of MathematicsCity College of New Yorklandau@sci.ccny.cuny.eduALEXANDER RUSSELL∗Department of Computer ... operator-valuedrandom variables, (ii.) it shows that the log |G| term may be replaced with log D,whereD ≤|G| is the sum of the dimensions of the irreducible representations of G, and (iii.) itestablishes the...
- 6
- 308
- 0
Báo cáo toán học: "A tight lower bound for convexly independent subsets of the Minkowski sums of planar point sets" potx
... a part of an expanded copy of the ithparabola (containing the piece between x = 0 and x = 1). From the discussion above,these parabolic segments together form a strictly convex chain and we ... cardinality of a convexly indep endent subset of the Minkowski sum of someplanar point sets P and Q with |P | = m and |Q| = n. They proved that M(m, n) =∗Preliminary versions of our results ... part of the work hasbeen done at the 12th Korean Workshop on Computational Geometry, June 2009 and at the 7th GremoWorkshop on Open Problems, July 2009. The authors thank the organizers of these...
- 4
- 339
- 0
Tài liệu Báo cáo khoa học: Competition between innate multidrug resistance and intracellular binding of rhodamine dyes pdf
... activepumping of the agents out of the cells and their pas-sive uptake [10,31] and (b) competition between the active pumping of the agents out of the cells and theirintracellular binding to receptors and ... be due to their ability to compete with the tight binding of the drugs to their respective targets,rather than their capacity to compete with the passiveuptake of the drugs across the plasma ... of the NBD-Cl-sensitive efflux allowed the uptake of TMRM and its quenching within the cells. Right: the various cell linesindicated in the figure were incubated for 15 min with the addition of...
- 12
- 651
- 0
Từ khóa: chuyên đề điện xoay chiều theo dạngNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ