Báo cáo toán học: "Shift Equivalence of P-finite Sequences" ppt

... Phrasal Analysis of Long Noun Sequences Yigal Arens, John J. Granacki, and Alice C. Parker University of Southern California Los Angeles, CA 90089-0782 ABSTRACT Noun phrases consisting of a ... the recognition and partial analysis of such constructions. The phrasal analysis of a noun sequence is performed to an extent sufficient for continued analysis of the s...

Ngày tải lên: 08/03/2014, 18:20

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Ngày tải lên: 05/08/2014, 10:20

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Ngày tải lên: 05/08/2014, 15:20

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Ngày tải lên: 05/08/2014, 15:20

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Ngày tải lên: 05/08/2014, 15:21

... (x, 0) ∈X. Applying Lemma 2.5 we have Robust Stability of Metzler Operator and Delay Equation in L p ([ −h, 0] ; X) 365 |  ER( ; A)(x, 0) |   ER( ; A)(x, 0) |, λ>s(A)=s (P ( )). or equivalent |ER( ; ... for all i =1, , n. Then the resolvent R( ; P ( )) is positive and de- creasing for t>s (P ( )) = s(A): s(A)=s (P ( ))...

Ngày tải lên: 06/08/2014, 05:20

... The transversals of V are in one-to-one correspondence with the matchings in G covering the part N; and a local replacement in this language corresponds to changing a single edge in the matching. Let ... V n of n-tuples of elements of M forms the Hamming graph; two n-tuples being adjacent whenever they differ in only one coordinate. Ev- ery matroid structure on M determin...

Ngày tải lên: 07/08/2014, 06:20

... tree of p = 263498175 the electronic journal of combinatorics 9(2) (2003), #A1 10 [40] D. Zeilberger, A proof of Julian West’s conjecture that the number of two-stack- sortable permutations of ... 3241 is not. the electronic journal of combinatorics 9(2) (2003), #A1 6 A survey of stack-sorting disciplines Mikl´os B´ona Department of Mathematics, University of Florida G...

Ngày tải lên: 07/08/2014, 07:21

... when p divides m − n, all permutation binomials occur in pairs over F 4p+ 1 where p and 4p +1 areprimes. Theorem 12 Let q = 4p + 1where p and q are primes. The following are paired permu- tation binomials ... (3) If 3p& lt;m< 4p then (mod 4) m ≡ 1 m ≡ 2 m ≡ 3 m ≡ 4 p ≡ 1 2 (p − 1) + N 1 + N 2 2N 1 2 (p − 1) + N 1 + N...

Ngày tải lên: 07/08/2014, 13:21

... Pro- ceedings of the National Academy of Sciences of the United States of America, 75:40– 42, 1978. [13] Curtis Greene and Herbert S. Wilf. Closed form summation of C-finite sequences. Transactions of the ... shift equivalent. 4 Shift Equivalence of P-finite Sequences The algorithm for the P-finite case consists of a case distinction: either the question can be reduced to a...

Ngày tải lên: 07/08/2014, 13:21

... particular, the A-strict episturmian sequences correspond to the Arnoux-Rauzy sequences (see [3]). 3 Balanced episturmian sequences In this section, we give a characterization of the balanced episturmian ... is ultimately periodic. Proof. It is a direct consequence of Theorem 3.10. Corollary 3.13. None of the Arnoux-Rauzy sequences (A-strict episturmian sequences) are bal...

Ngày tải lên: 07/08/2014, 15:22

... = S λ , then a vertex of S sees u 1k or u jk if and only if either u jk is not South of the end of a tine but on a tine of S, or u jk is South of the end of a tine and weakly North of the next ... subgroups of the finite general linear groups GL n (F q ); the group U n is the pattern group corresponding to the total order 1 < 2 < 3 < · · · < n....

Ngày tải lên: 07/08/2014, 21:21

... the transposition of the remaining two vertices. This implies that the only graphs which have fix(G) = n−1 are the complete graphs and the empty graphs. On the other hand, the graphs with fix(G) ... e), where v and e are a vertex and an edge of G, and v and e are incident. Inf(G) has an edge between (v 1 , e 1 ) and (v 2 , e 2 ) if v 1 = v 2 or e 1 = e 2 . We denote the...

Ngày tải lên: 07/08/2014, 21:21

... (The Electronic Journal of Combinatorics 14 (2007),#R12). In this paper, we study th e classification of (p, q, n)- dipoles on nonorientable surfaces and obtain the numbers of (p, q, n)- dipoles on the ... comes out of an application to string theory. The reader is referred to [6] for more detail about dipoles and (p, q, n)- dipoles. In this paper, the...

Ngày tải lên: 08/08/2014, 11:20

... follows. 3 Cyclic partitions of general complete hypergraphs By ˜ K n we denote the complete hyper gr aph on the set of vertices V n , i.e. the hypergraph with the set of edges consisting of all non ... the complete k -uniform hypergraph of order n, 1  k  n−1, i.e. the hypergraph with the set V n = {1, 2, , n} of vertices and the set  V n k  of edges. If there exist...

Ngày tải lên: 08/08/2014, 12:22