a generalization of the game called nim

... conjectures that grammars whose acyclic backbone is depth-bounded in fact generate the same languages as the offline parsable grammars. Conclusion The offline parsable grammars apparently have enough ... be the set of lists s((Ao, An,B)) such that (Ao, An) ~ D n, (A& apos;,B) ~ D t, and s is the most general unifier of A n and A& apos; (after suitable renaming of variables). Then the set of ... sorts, assign a sort to each label and to each atomic dag. The arity of a label is a set of sorts (not a sequence of sorts as in term unification). A dag is well-formed ff whenever an arc labeled...

Ngày tải lên: 21/02/2014, 20:20

... coordinates and leaving A col,s n invariant. By a calculation of the character of S n on the homology of the order complex of L A col , s n and using a formula of Orlik & Solomon [10] we are able ... manifold M A = C n \  H A H.ThespaceM A is called the complement of the arrangement A. The combinatorial object associated to an arrangement A is the intersection (semi)lattice L A . It is the set of subspaces V of C n such that ... combinatorics of an arrangement of hyperplanes in C n that generalizes the classical braid arrangement. The arrangement plays in important role in the work of Schechtman & Varchenko [12, Part II]...

Ngày tải lên: 07/08/2014, 06:20

... proved by examining the considerations in Step 5 and Step 6 of the proof of Theorem 2 in more detail. 4. Another two-parameter family of determinants. The goal of this section is to evaluate the determinant ... inequality being an assumption in the statement of the Theorem. The product in the numerator of the right-hand side of (3.25) consists of factors of the form (x + y +a) =(2x+m +a) with integral a. ... direction. Furthermore, recall that a family of paths is called nonintersecting if no two paths of the family have a point in common. Now, the above determinant equals the number of all families (P 0 ,P 1 ,...

Ngày tải lên: 07/08/2014, 06:20

... − 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 ... with (a, b) /∈R, and we obtain a partial generalization of this estimate for arbitrary Abelian groups. 1. Background: mapping restrictions For two subsets A and B of the set of elements of a group ... Math´ematique, Geneva, 1980. [6] V.F. Lev, Restricted set addition in groups. I. The classical setting, Journal of the London Mathematical Society, to appear. [7] J.M. Pollard, A generalization of the...

Ngày tải lên: 07/08/2014, 06:20

... consider a variant of the Cops and Robbers game where the robber can move s edges at a time, and show that in this variant, the cop number of a connected graph on n vertices can be as large as Ω(n s s+1 ). ... Generalization of Meyniel’s Conjecture on the Cops and Robbers Game Noga Alon ∗ Tel Aviv University and Institute for Advanced Study, Princeton nogaa@tau.ac.il Abbas Mehrabian Department of Combinatorics ... the robber can evade forever. If this many cops can capture the robber, then they can capture her from any starting configuration. Thus we may assume that the cops all start in one vertex u, and...

Ngày tải lên: 08/08/2014, 12:23

... maslam@kfupm. edu.sa 1 Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia Full list of author information is available at the ... 2011:20 http://www.advancesindifferenceequations.com/content/2011/1/20 Page 3 of 13 RESEARCH Open Access A new generalization of the Riemann zeta function and its difference equation Muhammad Aslam Chaudhry 1* , Asghar Qadir 2 and Asifa Tassaddiq 2 * Correspondence: ... Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia 2 Center for Advanced Mathematics and Physics, National University of Science and Technology H-12, Islamabad, Pakistan Authors’...

Ngày tải lên: 21/06/2014, 02:20

... |M h,à |, the cardinality of A h (à) equals the cardinality of the generating set of (h, à)-llings in M h,à . Thus A( à) and M h,à are isomorphic as graded vector spaces. We are now ready to state the theorem ... A( à) equals B(à), Theorem 2.3.9 implies the cardinality of A( à) equals the cardinality of the generating set of row-strict tableaux in M à . Also, is a degree-preserving map so A( à) and M à are ... the image of by A h (à). By abuse of notation we also denote the Q-linear span of these monomials by A h (à). Denote the formal Q-linear span of the (h, à)-llings by M h,à . Extending linearly,...

Ngày tải lên: 08/08/2014, 12:23

Ngày tải lên: 08/08/2014, 12:23

... recta, which supply the mucosa and submucosa of the colon, penetrate the circular muscle. The weakness of the vascular portals in the circular muscle possibly causes mucosal herniation into the ... of a monolayer of inner circular muscle, which makes its wall weak, as com- pared to the small intestine that is formed of the inner circular and outer longitudinal muscle layers. The vasa ... preparation. The bleeding was controlled by #3-0 Vycryl intracorporeal suture, and the invagination of the diverticulum was performed laparoscopically. The recovery was une- ventful, and the...

Ngày tải lên: 25/10/2012, 10:51

... Crusoe’s way. He taught Friday English but did learn any of Friday’s language. Crusoe didn’t point to a goat and say: “this is a goat” and then signal to Friday to say what it was called in his language. ... the mastery of the others was a very unattractive trait that Crusoe displayed. The novel shows that mastery of one’s own life is a praiseworthy achievement, but that mastery of another’s is a ... nmany articles to load on the ship. The fact that Robinson did engage in slave trades for the first time as he sold Xury, a small Negro boy to the captain of a ship. A genuine merchant, a man...

Ngày tải lên: 26/11/2012, 12:02

... in their work going to each of the family in their their work going to each of the family in their neighbour to take the notes of the amount of neighbour to take the notes of the amount of ... independently.  The teacher is the monitor and the facilitator. The teacher is the monitor and the facilitator.  Every member in the group has to take part in Every member in the group has to take part ... their agreed result. make the chart with their agreed result.  All groups present their ways to do and their All groups present their ways to do and their charts in front of the class and share...

Ngày tải lên: 22/07/2013, 01:27

... unfortunately, are dominated by the grammar-translation method of language teaching, where, as often as not, English is only taught as a means to accessing literature, be it classical, technical ... to, and do, participate in. This group will be familiar to many EFL teachers as they are the backbone of many schools in Ireland and Britain. One of the most important initial tasks for any ... can reasonably manage, and a strong metalinguistic awareness, we, as teachers give the student the tools to learn a language proficiently. It is in equipping the student with both declarative...

Ngày tải lên: 06/09/2013, 10:10

Ngày tải lên: 11/09/2013, 11:44

Ngày tải lên: 11/09/2013, 11:44

... conversion of cel- lulose to sugars was again investigated by Battelle-Geneva on a pilot plant basis, particularly of separation of the hydrochloric acid and sugars, as well as re- concentration of the ... petroleum. At the time, George Tsao was on assignment at the U.S. National Science Foundation, on leave from Iowa State University, managing several funding programs as a part of the RANN (Research Applied ... there are likely chemical reactions taking place between the acid and the substrates, which could influence the yield as well as the degradability of the monosaccharides so obtained as well as the...

Ngày tải lên: 23/10/2013, 17:20

... to explain the appearance of CSI. Darwinists concede that neither chance alone nor necessity alone is capable of generating CSI, but they argue that the Darwinian interaction of chance and necessity ... 2001). Alongside the scientific works, a number of philosophers have pressed the case that naturalism, and particularly the Darwinian variety, threatens human rationality and the very enterprise of ... can- not explain the modal qualities of particular physical objects. For Koons, the problem is that naturalism cannot account for the reliability of scientists’ appeal to aesthetic criteria of theory...

Ngày tải lên: 01/11/2013, 08:20

Ngày tải lên: 26/11/2013, 13:17

Ngày tải lên: 26/11/2013, 13:19