Báo cáo toán học: "An exploration of the permanent-determinant method" pdf

... invariant under the antipodal map, the number of matchings is the square of the number of matchings of the quotient graph. 2. The number of matchings of the edge graph of a graph with vertices of degree ... under the antipo- dal map, the number of matchings is the square of the number of matchings of the quotient graph. 2. The number of matc...

Ngày tải lên: 07/08/2014, 06:22

... corresponding to the divisibility order of the integers . The relationship between the M¨obius inversion formula and Riemann’s zeta function motivates the use of the name “zeta matrix” in the context of a ... nothing but the exponential of the incidence matrix of the Hasse diagram of this poset. We prove that the corresponding M¨obius matrix has a simple expr...

Ngày tải lên: 07/08/2014, 15:22

... by the Norwegian Department of Jus- tice, the Norwegian Foundation for Health and Rehabilitation, and the Nor- wegian Institute of Public Health. The authors thank professor Olaf G. Aasland, the ... to attempt to gather knowledge about some of these issues in the police service. Three previous articles on the basis of the present cohort have been published so far [16-...

Ngày tải lên: 20/06/2014, 00:20

... the sets P and ∅ are R-modular in M. We further know of the following instances of R-submodularity for a matroid M(E, ρ). The first of these was communicated to us by Noble [10]. Recall that the ... networks among others. A primary application of extended submodularity is in the study of Rayleigh properties of the multivariate Tutte polynomial of matroids. Following S...

Ngày tải lên: 08/08/2014, 14:23

... sub- contract from The Of ce of Biomass Program, within the DOE Of ce of Energy Efficiency and Renewable Energy. Tom Desmet holds a fellowship of the Insti- tute for the Promotion of Innovation through ... presumably, contain the sites of O-glycosylation, but we have not identified the specific site(s) or the form of the O-glycans. The CD spectrum of Cel74A look...

Ngày tải lên: 19/02/2014, 05:20

... parsing The simplest experiment to carry out is to exam- ine the parses actually selected by the decoder, and see whether they are better or worse than the parses selected by the parser. If they ... parse tree and compute the number of brackets guessed and the number matched against the gold-standard parse tree. A trivial modification of the MER trainer then optimizes th...

Ngày tải lên: 30/03/2014, 17:20

... representing the Official polic=es or endorsements, either expressed or implied, of the Air Force Office Of S(;ientific Research of the U.S. Government. 2A text need is the earliest recognition on the ... represent states of affairs and those which do not. The number of termination points of a chooser often exceeds the number of choices available. Table 1 sho...

Ngày tải lên: 31/03/2014, 17:20

... Nigeria, in October 2006. The health map of Enugu Urban and the hospital register of the Public Health Department of the Enugu State Ministry of Health were used to identify the eye health care facilities ... for further interventions in their existing programmes for prevention of blindness [9,12]. Settings, data sources and methods Enugu State is one of the 36 states...

Ngày tải lên: 18/06/2014, 17:20

... trend is changed through the years. There were two important downward tendencies in the serum prevalence of infec- tion, one at the beginning of the eighties, related to the improved socio-economic ... significance level of 0.05 divided by the number of join-points in the final model. For the analysis we used the Joinpoint Regression Pro- gram, Version 3.3.1 [17]. Re...

Ngày tải lên: 20/06/2014, 01:20

... purposes. Therein, data rate is studied with respect to the quality of the link and the signal strength of the wireless transceiver, while scenarios that test the possibility of predicting the actual ... will be the one which is associated to the highest conditional probability in the respective configuration column. Further information about the results and the...

Ngày tải lên: 20/06/2014, 20:20