Báo cáo toán học: "Control subspaces of minimal dimension, unitary and model operators " pot

... upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Some properties of an integral operator defined by convolution Journal of Inequalities and Applications ... (http://creativecommons.org/licenses /by/ 2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited....

Ngày tải lên: 20/06/2014, 21:20

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Ngày tải lên: 05/08/2014, 09:46

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Ngày tải lên: 05/08/2014, 15:20

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Ngày tải lên: 05/08/2014, 15:20

... on Morrey- type Besov and Triebel-Lizorkin spaces, which is a characterization of Morrey- type Besov and Triebel-Lizorkin spaces. Before stating it, we recall some notations and the definition of Morrey- type ... q<∞ ,and0  β  ∞,thenMB s,β q,q = B s q,β and MF s,β q,q = F s q,β , standard Besov and Triebel-Lizorkin spaces respectively; see [22]. A Ch...

Ngày tải lên: 06/08/2014, 05:20

... (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

... Macdonald as a second special case. The main purpose of this paper is to give a planarized construction and proof for the bijection of Edelman and Greene between reduced words and certain pairs of ... Similarly a partial arrangement is an isomorphism class of simple marked partial arrangements of pseudolines. Goodman and Pollack [8] described a one-to-many corre...

Ngày tải lên: 07/08/2014, 06:22

... electronic journal of combinatorics 8 (2001), #R32 9 An Analogue of Covering Space Theory for Ranked Posets Michael E. Hoffman Dept. of Mathematics U. S. Naval Academy, Annapolis, MD 21402 meh@usna.edu Submitted: ... X. In this paper we develop a theory of covering maps for ranked posets. More precisely, we define covering maps of “weighted-relation” posets, whi...

Ngày tải lên: 07/08/2014, 06:22

... under the map given by the Chinese Remainder Theorem (whereby the coefficient of x n becomes the value of the entry (n mod 2,n mod 3,n mod 5)). Thus the a a a a a a Figure 8: A 2 ì3 ì 5 inate of the ... running the full length of the array. Call a fiber any array consisting of a single line of 1’s running parallel to one of the co- ordinate axes and running the...

Ngày tải lên: 07/08/2014, 13:21

... Bender’s theory of coefficient extraction in divergent series [3]. the electronic journal of combinatorics 13 (2006), #R103 25 A Hybrid of Darboux’s Method and Singularity Analysis in Combinatorial ... extraction in combinatorial generating functions, is presented, which combines Darboux’s method and singular- ity analysis theory. This hybrid method appl...

Ngày tải lên: 07/08/2014, 13:21

... isomorphic to the construction of Cori et al. via the encoding of tree-rooted maps by shuffles of parenthesis systems. Tree-rooted maps, or alternatively shuffles of parenthesis systems, are in one-to-one correspondence ... between tree-rooted maps of size n and pairs consisting of a tree and a non-crossing partition of size n and n+1 respectively. This simp...

Ngày tải lên: 07/08/2014, 15:22

... have used the cyclic graphs of prime order to study the lower bounds for classical Ramsey numbers to the effect of improvements and generalizations of the method of Paley graphs. For example, in [7] ... constructed cyclic graphs by using higher residues of finite fields and obtained new lower bounds such like R(3, 3, 1 2)  182, R(3, 3, 13)  212, R(3, 28...

Ngày tải lên: 08/08/2014, 11:20

... random mappings: one has a trans- formation monoid M on the state set Ω and a probability P on M. One randomly chooses an element of M according to P and has it act on Ω. A theory of transformation ... context. What we call a 0-transitive transformation monoid is called by many authors a transi tive partial transformation monoid. Assume now that (Ω, M) is a finite 0...

Ngày tải lên: 08/08/2014, 12:23

... Multiplicity of Matching Polynomial Roots and Minimum Path Cover in General Graphs Cheng Yeaw Ku Department of Mathematics, National University of Singapore, Singapore 117543 matkcy@nus.edu.sg Kok Bin ... Y. Ku and K. B. Wong, Maximum Multiplicity of a Root of the Matching Poly- nomial of a Tree and Minimum Path Cover, The Electronic Journal of C...

Ngày tải lên: 08/08/2014, 12:23

... journal of combinatorics 18 (2011), #P73 5 Unimodality problems of multinomial coefficients and symmetric functions Xun-Tuan Su 1 , Yi Wang 2 ∗ 1,2 School of Mathematical Sciences Dalian University of ... question of Sagan about strong q-log-concavity of certain sequences of symmetric functions, which can unify many known results for q-binomial coefficients and q-...

Ngày tải lên: 08/08/2014, 14:22