Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx

Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II. ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx

Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II. ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx

... − 1 2 . In a certain (rather narrow) range of m, n and in the particular case of R induced by an injective mapping, Theorem 3 improves Theorem 1. To deal with the generalization of the most important and ... Math´ematique, Geneva, 1980. [6] V.F. Lev, Restricted set addition in groups. I. The classical setting, Journal of the London Mathematical Society, to appe...

Ngày tải lên: 07/08/2014, 06:20

10 516 0
Báo cáo toán học: "Recognizing circulant graphs in polynomial time: An application of association schemes" pot

Báo cáo toán học: "Recognizing circulant graphs in polynomial time: An application of association schemes" pot

... is a gc-graph. While the cases (i) and (ii) of Theorem 3.1 can be handled in a straightforward manner, the treatment of case (iii), where the connection set is a subgroup of Z ∗ n , needs additional knowledge ... vertex set can be numbered in such a way that the resulting adjacency matrix A( G) is a circulant matrix. We call such a numbering a Cayley num-...

Ngày tải lên: 07/08/2014, 06:22

32 347 0
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

... already know in the present case. Applying the procedure in Step I of the proof of Lemma 5.14, we obtain a perfect matching on Ω 1,x,e (a) . Namely, the elements y 2 and z 1 used in the matching ... applied to a set σ in Λ 3 (K) in Step III of the proof of Lemma 5.14; the elements marked with stars in the left-hand picture are replaced with the sin...

Ngày tải lên: 07/08/2014, 13:21

46 337 0
Báo cáo toán học: "Longest increasing subsequences in pattern-restricted permutations" pptx

Báo cáo toán học: "Longest increasing subsequences in pattern-restricted permutations" pptx

... pattern have a LIS of some given length. Our main results are the following. Theorem 1. In the class of (231)-avoiding permutations of n letters, and in the class of (312)-avoiding permutations of ... standard normal distribution. Theorem 2. In the class of (132)-avoiding permutations of n letters, and in the class of (213)-avoiding permutations of n lett...

Ngày tải lên: 07/08/2014, 07:21

8 278 0
Báo cáo toán học: "Longest alternating subsequences in pattern-restricted permutations" pptx

Báo cáo toán học: "Longest alternating subsequences in pattern-restricted permutations" pptx

... pattern-restricted permutations Ghassan Firro Department of Mathematics University of Haifa, 31905 Haifa, Israel gferro@math.haifa.ac.il Toufik Mansour Department of Mathematics University of Haifa, 31905 Haifa, Israel toufik@math.haifa.ac.il Mark ... words, al n satisfies a Gaussian Limit law. We note that as in Stanley’s study, we obtain Gaussian limiting behaviour (but with a s...

Ngày tải lên: 07/08/2014, 15:22

17 257 0
Báo cáo toán học: "On some densities in the set of permutations" ppsx

Báo cáo toán học: "On some densities in the set of permutations" ppsx

... k n (σ)  . ∗ The final version of this paper was written during the author’s stay at Institute o f Statistical Science of Academia Sinica , Taipei. We gratefully acknowledge the support and thank Professors ... Ann. Probab., 1992, 20, 3, 1567–1591. [2] R. Arratia, A. D . Barbour and S. Tavar´e, Logarithmic Combinatorial Structures: a Probabilistic Approach, EMS Monographs in Ma...

Ngày tải lên: 08/08/2014, 12:22

15 354 0
Báo cáo toán học: " Interface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells" potx

Báo cáo toán học: " Interface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells" potx

... is carried out at the AZO and p-type a- SiC:H interface to obtain a better solar cell performance without loss in the FF. The abrupt potential barrier at the interface of AZO and p-type a- SiC:H ... is smaller than a- SiC:H, indicating that both the optical and electrical properties are different. At the depth of about 810 nm, because of the smaller energy bandgap...

Ngày tải lên: 20/06/2014, 20:20

14 275 0
Báo cáo toán học: " IPv6 address autoconfiguration in geonetworking-enabled VANETs: characterization and evaluation of the ETSI solution" ppt

Báo cáo toán học: " IPv6 address autoconfiguration in geonetworking-enabled VANETs: characterization and evaluation of the ETSI solution" ppt

... a moving vehicle. The detailed ana- lytical characterization of the ETSI SLAAC solution allows to obtain pre-determined performance upper limits defined by the applications, facilitating a grad- ual ... estimated permanency time of a vehicle within a geographical area. For the sake of the ex- ample, let us consider a non-extreme case, as the one of an area with a...

Ngày tải lên: 20/06/2014, 20:20

33 381 0
Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf

Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf

... 7, is valid in the expanded phase domain. Finally, the estimator determines the most accurate delay among the estimated results in each expanded phase domain by measuring Euclidean distance between ... 8 of 19 input signal. The variance of IPD error at interpolated frequencyissameasoriginalvariance.Theproposed solution in the expanded phase domain, Equation 10, is not on...

Ngày tải lên: 20/06/2014, 20:20

19 455 0
Báo cáo toán học: " Biological effects monitoring in marine research" pot

Báo cáo toán học: " Biological effects monitoring in marine research" pot

... use of biomarker as part of an integrated assessments of the marine ecosystem. This goal is addressed in the EU marine strategy framework directive and other international programs. With this article ... eects monitoring plays an important role in marine monitoring. Contaminants and their eects on sh as well as on other marine organisms belong to the main topics of inte...

Ngày tải lên: 20/06/2014, 20:20

13 364 0
w