Báo cáo toán học: "Cycle index, weight enumerator, and Tutte polynomial" ppsx

... IBIS property holds. the electronic journal of combinatorics 9 (2002), #N2 7 Cycle index, weight enumerator, and Tutte polynomial Peter J. Cameron School of Mathematical Sciences Queen Mary, University ... the analogues of restriction and contraction, and it specialises to the weight enumerators of each of the “elementary divisors” of C (the two binary codes C mod 2 and (C ∩...

Ngày tải lên: 07/08/2014, 06:23

Ngày tải lên: 05/08/2014, 15:20

Ngày tải lên: 05/08/2014, 09:46

... constant weight 3 and minimum distance 3, and with the property that all words of weight 2 are at distance 1 from a codeword. These are of great interest as they form optimal constant weight codes. ... length n, minimum distance d, and constant Hamming weight w. Methods for proving upper and lower bounds on A 3 (n, d, w) are presented, and a table of exact values and bound...

Ngày tải lên: 07/08/2014, 07:21

... Central and local limit theorems for the coefficients of polyno- mials of binomial type, J. Comb. Theory, A 23 (1977), 275–290. [4] J.M. DeLaurentis and B.G. Pittel, Random permutations and Brownian ... n) o(1) , and we wished to better understand the obstructions to extending our proof. Arratia, Barbour and Tavar´e [1] explained how certain aspects of the distribution of cycle length...

Ngày tải lên: 07/08/2014, 13:21

... radiolabelling: HEPES and MES, and compared this with the most commonly used acetate buffers: sodium acetate and ammonium acetate, and showed that an increased SA could be obtained when DTPA- and DOTA-conjugated ... labelling of DTPA- and DOTA-conjugated peptides and antibodies with 111 In in HEPES and MES buffer Maarten Brom* 1 , Lieke Joosten 1 , Wim JG Oyen 1 , Marti...

Ngày tải lên: 20/06/2014, 20:20

... optical devices and polarization filters [8,9,11]. Several methods for synthesizing GNSs including 1-D GNSs have been reported. These methods include photochemical and electrochemical deposition [12,13] and ... [3,10,16]. On the other hand, the use of hard t emplates such as anodic alumina and mesoporous silica for the synthesis of 1-D GNSs makes the complicated immobilization pro- ce...

Ngày tải lên: 20/06/2014, 21:20

... solicited on both experimental and theoretical aspects, including new positioning algorithms and methodologies, system design and configurat ion, performance analysis and measurement campaigns. We ... sets (POCS) and outer approximation (OA) techniques for us e in positioning, and then de velop di s- tributed positioning algorithms based on POCS and OA. Improvement of coverage...

Ngày tải lên: 20/06/2014, 21:20

... Abu-Sbeih and Khamsi: On externally complete subsets and common fixed points in partially ordered sets. Fixed Point Theory and Applications 2011 2011:97. Abu-Sbeih and Khamsi Fixed Point Theory and ... ∅ . Finally, assume that we have (x i ) iÎI and (y j ) jÎJ in X such that the subsets ([x i , ® )) iÎI , and ((¬, y j ]) jÎJ intersect 2-by-2 and [x i , → ) ∩ M = ∅ and (←, y...

Ngày tải lên: 20/06/2014, 21:20

... noun, pronoun or even an adjective) and its predicate verb in gender and number, and for pronouns, also in person. Verbal attributes must agree in number and gender with its related noun, as ... language (Standard or Literary Czech) and the spoken form (Common Czech). This difference occurs not onl y on t he lexical level (usage of German- isms and Anglicisms), but also on the pho...

Ngày tải lên: 20/06/2014, 21:20