Báo cáo toán học: "A short proof of a theorem of Kano and Yu on factors in regular graphs" pot
Báo cáo toán học: " Spin-related tunneling through a nanostructured electric-magnetic barrier on the surface of a topological insulator" potx
... text (HTML) versions will be made available soon. Spin-related tunneling through a nanostructured electric-magnetic barrier on the surface of a topological insulatorNanoscale Research Letters 2012, ... and the barrier width. In addition, changing the length of the barrier and/or the magnetic field can tune the total reflection and the perfect transmission regions.We also examined the electron ... that thisHamiltonian appears similar to graphene [13], but topological insulators have an odd num-ber of massless Dirac cones on the surface, ensured by the Z2 topological invariant of the bulk,...
- 18
- 404
- 0
Báo cáo toán học: " Lyapunov-type inequalities for a class of even-order differential equations" doc
... the article as it appeared upon acceptance. Fully formattedPDF and full text (HTML) versions will be made available soon. Lyapunov-type inequalities for a class of even-order differential equationsJournal ... Yang, X, Kim, Y, Lo, K: Lyapunov-type inequalities for a class of quasilinear systems.Math. Comput. Model. 53, 1162–1166 (2011)[13] Zhang, Q, Tang, XH: Lyapunov inequalities and stability for ... Lyapunov-typ e inequalities for certain higher order differentialequations. J. Math. Anal. Appl. 195 , 527–536 (1995)[9] Tang, XH, Zhang, M: Lyapunov inequalities and stability for linear Hamiltonian...
- 12
- 402
- 0
Báo cáo hóa học: " Research Article Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Affine Projection Adaptive Filter Algorithms in Nonstationary Environment" doc
... tracking performance analysis of the family of SPU -NLMS and SPUaffine projection algorithms. Based on this, the performance of Max -NLMS [22], N -Max NLMS [16, 23], the variants of the selective partial update normalized ... squareconvergence analysis of the SPU -NLMS for the case of whiteinput signals. The more general performance analysis for the family of SPU -NLMS algorithms in the stationary environ-ment can be found in [19, ... ocessingVolume 2011, Article ID 484383, 11 pagesdoi:10.1155/2011/484383 Research Ar ticle Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Affine Projection Adaptive Filter...
- 11
- 387
- 0
Báo cáo toán học: "Matrix-free proof of a regularity characterization" doc
... journal of combinatorics 10 (2003), #R39 6 2.1 An Invariant of Szemer´edi’s Regularity LemmaLet G =(U ∪ V, E) be a bipartite graph. For an integer t, we define a t-equitablepartition V (G) as a ... state, up front, that we alwaysassume m is a sufficiently large integer.Our proof of Theorem 1.5 uses a well-known invariant formulation of Szemer´edi’s Regularity Lemma. We now present that ... journal of combinatorics 10 (2003), #R39 10 [6] J. Skokan and L. Thoma, Bipartite subgraphs and quasi-randomness, accepted toGraphs and Combinatorics.[7] E. Szemer´edi, Regular partitions of...
- 11
- 271
- 0
Báo cáo toán học: "A short proof of a theorem of Kano and Yu on factors in regular graphs" pot
... and y. Then G is a 4 -regular graph, and G has a 1-factor con-taining e and a 1-factor avoiding e. According to Theorem 3, G has a k-factor containinge and a k-factor avoiding e for every k ... containing e and a 1-factor avoiding e, then G has a k-factor containing e and a k-factoravoiding e for every k ∈ {1, 2, . . . , r − 1}. Proof. Let F and Febe two 1 -factors of G containing ... 1))-factor containing e, and the proof is complete.Corollary 2 (Kano and Yu [1] 2005) Let G be a connected r -regular graph of evenorder. If for every edge e of G, G has a 1-factor containing...
- 2
- 320
- 0
Báo cáo toán học: "Symmetric functions for the generating matrix of the Yangian of gln(C)" ppt
... 1AkRk,k+11kAk, the electronic journal of combinatorics 16 (2009), #R128 3 Symmetric functions for the generating matrix of the Yangian of gln(C)Natasha RozhkovskayaDepartment of MathematicsKansas ... to the terms of the sum, we conclude that each of them has the form(−1)m−k− 1ek(u)p−m−k(u − k),and the Newton’s formula for elementary symmetric functions em(u, τ) follows. The proof ... < 0. The Newton’s identities show that these matricesare inverses of each other. Therefore, each minor of H−is equal to the complementarycofactor of the transpose of E, which implies the equality...
- 12
- 317
- 0
Báo cáo toán học: "Bounds for the H¨ckel energy of a graph u" pptx
... adjacency matrix o f G. Then the eigenvalues of G are defined as the eigenvalues of A. As all eigenvalues of A are real, we can rearra nge them as λ1 ··· λn.I. Gutman (see [9]) defined the energy ... eigenvalue. Then by [5, Theorem 6.7], G is a completemultipartite graph. As the r ank of a complete multipartite graph equals t he number of its parts, G must have r + 2 parts. Such a graph cannot ... out thatHE(G) n2pE(G).On the other hand, we see that E(G) p + 2, as the energy of any graph is at least the rank of its adjacency matrix ([6], see also [1]). Combining the above inequalities...
- 12
- 275
- 0
Báo cáo toán học: "Lower Bounds for the Average Genus of a CF-graph" doc
... such a polygon do not change genus of such a surface.Operation 1: Aaa−∼ A, Operation 2: AabBab ∼ AcBc,Operation 3: AB ∼ {(Aa), (a −B)}, A A a a A B a bb a A Bcc A B A Bc cFigure 4: Operation ... attaching ears serially or by bar -amalgamation of a cactus to GN The authors of [5] discussed a Kuratowski type theorem for average genus of graphs.They obtained the struct ure of average genus ... to a subgraph of Gi+1 for all i 1. In [4] it was proved that the values of the average genus for 2-connected graphs have limit points. Note that the averag e genus for bar-amalgamation of a...
- 14
- 386
- 0
Báo cáo toán học: "An entropy proof of the Kahn-Lov´sz theorem a" ppsx
... A proof of the Kahn-Lov´asz theorem The entropy proof of the Kahn-Lov´asz theorem is complicated by the fact that there canbe edges of the graph (and a fixed matching) amongst the neighbors of ... Eisindependent of the event {x Vy}. Proof. For any permutation of the edges of m, there is a permutation of V (G) inducingit. Therefore, the uniformity of Vimplies that of E. Similarly, the transposition ... present the entropy proof of Theorem 1 due to R adhakrishnan. The proof proceeds by applying the randomized chain rule above with respect to orderings of the vertices in L. For a fixed matching, then,...
- 9
- 262
- 0
báo cáo khoa học: " The BLISS cluster randomised controlled trial of the effect of ''''active dissemination of information'''' on standards of care for premature babies in England (BEADI) study protocol [ISRCTN89683698]" pdf
... protocol The BLISS cluster randomised controlled trial of the effect of 'active dissemination of information' on standards of care for premature babies in England (BEADI) study protocol ... Association of Perinatal Medicine(BAPM) position statement will be used as the case study. Participants The main participants in the BLISS cluster randomised controlled trial of the Effect of 'Active ... changes in policy and practice than the traditional (more passive) forms of dissemination in England. Methods/design: Cluster randomised controlled trial of all neonatal units in England (randomised by...
- 8
- 353
- 0
Báo cáo y học: " Osteolytic bone destruction resulting from relapse of a testicular tumour 23 years after inguinal orchiectomy and adjuvant chemotherapy: a case report" pot
... efficacious therapy was surgical resection of the tumour mass.We report here a case of a late relapse of a germ cell tumour, which occurred 23 years after orchiectomy and following four cycles of ... [4].Late relapse is defined as a germ cell tumour that appearsmore than two years after therapy and complete remission[3]. Of the 81 patients treated at the University of Indianafor late relapse of ... Department of Radiotherapy and Oncologyin Surrey, United Kingdom showed that only 14 patientshad late relapse between the 5th and 10th year after primary treatment with a calculated annual risk of 1%....
- 4
- 294
- 0
báo cáo khoa học: " The BLISS cluster randomised controlled trial of the effect of ''''active dissemination of information'''' on standards of care for premature babies in England (BEADI) study protocol [ISRCTN89683698]" pot
... 1 of 8(page number not for citation purposes)Implementation ScienceOpen Access Study protocol The BLISS cluster randomised controlled trial of the effect of 'active dissemination of information' ... Association of Perinatal Medicine(BAPM) position statement will be used as the case study. Participants The main participants in the BLISS cluster randomised controlled trial of the Effect of 'Active ... evaluation of innova-tive strategies for the dissemination of information wouldbe needed [37] to improve knowledge transfer leading topolicy and practice changes in the care of premature babies in...
- 8
- 331
- 0
Báo cáo khoa học: "Recently published papers: An ancient debate, novel monitors and post ICU outcome in the elderly" potx
... weaning, lowweaning success rates and prolonged ICU stay. In the third study, Blot and Melot [4] performed aretrospective analysis of the indications, timing and techniques of tracheostomy in ... monitors and post ICU outcome in the elderlyJames Sadler1 and Gareth Williams21Specialist Registrar in Anaesthesia, University Hospitals of Leicester, Leicester, UK2Consultant in Anaesthesia and ... during the first3 weeks after intubation. Second, early tracheostomy wasconsidered more often in nonteaching hospitals than in CommentaryRecently published papers: An ancient debate, novel monitors and...
- 3
- 220
- 0
Báo cáo y học: "Thoracic epidural anesthesia reverses sepsis-induced hepatic hyperperfusion and reduces leukocyte adhesion in septic rats" potx
... improves hepatic micro-vascular perfusion and attenuates leukocyte activation in sep-sis; and influences systemic inflammatory response and livertissue injury induced by cecal ligation and puncture ... abdominal sympathetic block associatedwith TEA also might have reduced the venolar temporary leu-kocyte adhesion in sepsis.Finally, intestinal injury and portal inflow of inflammatory medi-ators ... ± 95% confidence interval.Figure 4Temporary leukocyte adhesionTemporary leukocyte adhesion. Numbers of leukocytes adhering tem-porarily to the (a) sinusoidal and (b) postsinusoidal venolar...
- 8
- 426
- 0
Từ khóa: các báo cáo toán học haybáo cáo toán học haybáo cáo khoa học mô hình hóa các quá trình xử lý nước thải bằng mạng nơron nhân tạo potxthe effect of unemployment and inflation on wages in nigeriaeffect of unemployment and inflation on wages in nigeriaimpact of inflation and gdp on unemployment in pakistanNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên 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 chúngTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo 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 HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015