Báo cáo toán học: "A note on a problem of Hilliker and Straus" pps

... (2007), #N23 7 A note on a problem of Hilliker and Straus Miroslawa Ja´nczak Faculty of Mathematics and CS Adam Mickiewicz University ul. Umultowska 87, 61-614 Pozna´n, Poland mjanczak@amu.edu.pl Submitted: ... estimate the cardinality of A − B, where A is such that every element of A + A has at least two representations, and B is an arbitrary subset of Z...

Ngày tải lên: 07/08/2014, 15:22

... Conway, On Numbers and Games,” Academic Press, London, 1976. [4] P. M. Grundy, Mathematics and Games, Eureka 2 (1939), 6-8. [5] T. A. Jenkyns and J. P. Mayberry, The Skeleton of an Impartial ... the Nim-value of any game on a complex consisting of the disjoint union of such boundaries and of simplices, since the value of a game on a simplex is simply the total...

Ngày tải lên: 07/08/2014, 06:20

... studied char- acterizations of subspaces and quotients of nuclear power series spaces. Later Apiola in [1] has given a characterization of subspaces and quotients of nuclear L f (α, ∞)-spaces. Namely, ... characterizations of subspaces and quo- tients of  ∞ (I)  ⊗ Π L f (α, ∞) and  1 (I)  ⊗ Π L f (α, ∞)-spaces which are an extension of results of Apiola [1] for t...

Ngày tải lên: 06/08/2014, 05:20

... (2.2) Vietnam Journal of Mathematics 33:3 (2005) 350–356 Some Remarks on Weak Amenability of Weighted Group Algebras A. Pourabbas and M. R. Yegan Faculty of Mathematics and Computer Science, Amirkabir ... 356 A. Pourabbas and M. R. Yegan 7. B. E. Johnson, Weak amenability of group algebras, Bull. London Math. Soc. 23 (1991) 281–284. 8. A. Pourabbas, Second cohomology of B...

Ngày tải lên: 06/08/2014, 05:20

... concatenation abc,wherea and c are words, possibly empty. An abelian square is a word of the form a 1 a 2 ·· a n a τ(1) a τ(2) ·· a τ(n) , where the a i are letters and τ is a permutation of {1, n}.Awordisabelian ... certainly contains a 3, two 4’s, two 5’s, two 6’s and a 7. It may also contain up to two 2’s, up to two additional 3’s, and an additional 7. Even...

Ngày tải lên: 07/08/2014, 08:20

... Journal of Mathematical Analysis and Applications, vol. 47, pp. 324–353, 1974. 9 T. Bartsch and M. Willem, On an elliptic equation with concave and convex nonlinearities,” Proceedings of the American ... “Symmetry of positive solutions of nonlinear elliptic equations in R N ,” in Mathematical Analysis and Applications, Part A, L. Nachbin, Ed., Advances in Math. Suppl. Stud...

Ngày tải lên: 21/06/2014, 20:20

... has available for transporting downlink payload data, uplink payload data, and feedback information.) (3) The bandwidth B has to be partitioned into a bandwidth B DL for the downlink band, and ... Jeffrey, andD.E.Knuth,“OntheLambertWfunction,”Advances in Computational Mathematics, vol. 5, no. 1, pp. 329–359, 1996. [22] F. Chapeau-Blondeau and A. Monir, “Numerical evaluation of the L...

Ngày tải lên: 21/06/2014, 22:20

... +1)) 1 (pk+1) 2 , and by taking the limit as p →∞we get the result. In the same way, an acyclic orientation on a fan graph induces an acyclic orientation on the corresponding comb graph. A simple adaptation of ... programs indices.c and matrix2.c can generate the matrices D k and D  k for small values of k.Weusematlab to obtain the corresponding eigenvalues. Here the note...

Ngày tải lên: 07/08/2014, 07:21

... A note on the ranks of set-inclusion matrices D. de Caen Department of Mathematics and Statistics Queen’s University Kingston, Ontario, Canada K7L 3N6 decaen@mast.queensu.ca Submitted: ... (0,1)-matrix of inclusions for t-subsets versus k-subsets of X : W T,K =1ifT is contained in K, and 0 otherwise. These matrices play a significant part in several combinatorial investigat...

Ngày tải lên: 07/08/2014, 06:22

... example. 2.1 Task representation and evaluation method To formulate the task as a machine-learnable classi- fication task, we use a representation that encodes the joint task of chunking and function-tagging ... for the contribution of POS tags to the shallow parsing task under inves- tigation. Automatic POS tagging is a well-studied ing grammatical relations in automatically tag...

Ngày tải lên: 08/03/2014, 07:20