Báo cáo toán học: "Optimal Decision Trees on Simplicial Complexes" docx

Báo cáo toán học: "Optimal Decision Trees on Simplicial Complexes" docx

Báo cáo toán học: "Optimal Decision Trees on Simplicial Complexes" docx

... not 2-connected graphs. We concentrate on element -decision trees and do not consider more general set -decision trees. An interesting question is whether set -decision trees may provide a fruitful ... matching is acyclic.  1.2 Set -decision trees We provide a natural generalization of the concept of element -decision trees. Definition 1.3 The class of set -decision trees, e...
Ngày tải lên : 07/08/2014, 08:22
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Báo cáo toán học: "Weighted spanning trees on some self-similar graphs" pot

Báo cáo toán học: "Weighted spanning trees on some self-similar graphs" pot

... ✔ ✔ More precisely, the first picture corresponds to a contribution equal to bT 3 n , the second one to the contribution T 2 n U n (ab + ac + bc) to U n+1 . Consider now the following pictures. ❇ ❇ • • • • • • ••• ❚ ❚ ... by induction on n. It is easy to verify that, for n = 1, one gets the initial conditions given in Theorem 2.1. Then, one can check that the functions given in the claim sat...
Ngày tải lên : 08/08/2014, 12:23
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Báo cáo khoa học: "Using Decision Trees to Construct a Practical Parser" pdf

Báo cáo khoa học: "Using Decision Trees to Construct a Practical Parser" pdf

... have a modification rela- tion. Note that each modification is constrained by all features{f, , , fro} in a sentence despite of the assumption of independence.We use decision trees to dynamically ... and practical Japanese parsers that uses decision trees. First, we con- struct a single decision tree to estimate modifica- tion probabilities; how one phrase tends to modify...
Ngày tải lên : 23/03/2014, 19:20
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Báo cáo toán học: " Indoor positioning based on statistical multipath channel modeling" doc

Báo cáo toán học: " Indoor positioning based on statistical multipath channel modeling" doc

... K Witrisal, On impact of topology and cost function on LSE position determination in wireless networks, in Proceedings of the Workshop on Positioning, Navigation, and Communication, 129–138 (2006) 33. ... pro- posed direct algorithm are demonstrated through com- puter simulations. Finally, conclusions are presented in Section 6. 2 ML-TOA estimation One OFDM symbol duration is T + T G ,w...
Ngày tải lên : 20/06/2014, 21:20
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Báo cáo toán học: " UWB system based on energy detection of derivatives of the Gaussian pulse" potx

Báo cáo toán học: " UWB system based on energy detection of derivatives of the Gaussian pulse" potx

... study on performance of an IR-UWB receiver based on energy detection. in IEEE International Conference on WiCOM, Dalian, China 1–5 (2008) 3. N He, C Tepedelenlioglu, Performance analysis of non-coherent ... notched band for the rejection of 5 GHz WLAN using hexagonal multiple mode resonator. in IEEE International Conference on Communication Control and Technologies, Ramanathapuram, In...
Ngày tải lên : 20/06/2014, 21:20
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Báo cáo toán học: "The Weak Topology on the Space of Probability Capacities in Rd" pot

Báo cáo toán học: "The Weak Topology on the Space of Probability Capacities in Rd" pot

... that     fdT n −  fdT    <for a ll n ≥ n 0 , i.e., T n converges weakly to T . The following prop osition shows that the convergence on compact sets im- plies the weak convergence. Proposition 3.10. Let {T n } ∞ n=1 be ... metrizable, and contains R d topologically. 2. Notation and Convention We first recall some definitions and facts used in this paper. Let K(R d ), F(R d ), ∗ Th...
Ngày tải lên : 06/08/2014, 05:20
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Báo cáo toán học: "NEW UPPER BOUNDS ON THE ORDER OF CAGES1" pps

Báo cáo toán học: "NEW UPPER BOUNDS ON THE ORDER OF CAGES1" pps

... group-theoretical construction of combinatorial schemes and their application to the design of expanders and concentrators, Journal of Problems of Information Transmission (1988), 39-46. 17. H. L. Montgomery, ... constructions actually meet the upper bound in (2) for q odd follows from [13]. The constructions we introduce in this paper are independent of the relative magnitudes of k and g. Co...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: "An improved bound on the minimal number of edges in color-critical graphs" pot

Báo cáo toán học: "An improved bound on the minimal number of edges in color-critical graphs" pot

... second ingredient of our proof is the following result of Stiebitz. Lemma 3 ([5]) Let G be a k-critical graph containing at least one vertex of degree k − 1. Then the number of connected components ... electronic journal of combinatorics 1 (1998), #R4 3 Let r be the number of connected components of H(G), then trivially |E(H(G))|≥n H −r. (2) Also, by Lemma 3, the number of connected component...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: "Dumont’s statistic on words" pptx

Báo cáo toán học: "Dumont’s statistic on words" pptx

... similarly. Question 6.4. For what conditions on a poset P are the statistics des and dmc equidis- tributed on the set of linear extensions of P? One might apply another variation of the method ... =[m]L be the set of non-excedance positions of v and v  , and consider the cor- responding subsequences of biletters (z i ) i∈T and (z  i ) i∈T . By condition (3) of Definition 2.1, the codes...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: "Optimal Token Allocations in Solitaire Knock ’m Down" ppt

Báo cáo toán học: "Optimal Token Allocations in Solitaire Knock ’m Down" ppt

... present necessary conditions on the number of tokens needed for each bin in an optimal solution, leading to an asymptotic solution. MR Subject Classifications: primary: 91A60 1 Introduction Knock ’m ... conditions for X ∗ when N>2, and achieve the same asymptotic conclusion. 2 The Token Adding Theorem and Consequences Given a probability distribution P =(p 1 , ,p N ) and token allocation...
Ngày tải lên : 07/08/2014, 06:23
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