Báo cáo toán học: "On eigenvalues in the essential spectrum of a Toeplitz operator " doc

... the substrate via two elements in ClpA, one in the N-domain and the other in the pore of the ClpA hexamer. In the case of short unstructured peptides or unfolded proteins such as casein, binding ... have analysed the role of five highly conserved basic residues in the N-domain of ClpA by monitor- ing the binding, unfolding and degradatio...

Ngày tải lên: 07/03/2014, 05:20

... ent. These arise with verbs of perceiving and certain others such as "permitting," when the substantive which is the direct object of the main verb is also the subject of the infinitive. ... the feminine singu- lar dative. 2. The masculine singular accusative of wel- cher is identical to the dative plural. 3. The nominative form is identical to the...

Ngày tải lên: 07/03/2014, 18:20

... teaching Chinese as a foreign language: A case study of native Chinese teachers in Beijing. In Language alternation, language choice and language encounter in international education, eds. Hartmut ... words: Chinese as a foreign language; English as a lingua franca; Sinophone identity; code choice; multilingual classroom Background While Chine...

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

... class="bi x0 y0 w1 h 1" alt =""

Ngày tải lên: 05/08/2014, 15:21

... proof of Theorem 2. 2.2 Proof of Theorem 3 Here we assume that s 2 ≥  2 n,thecases 1 ≥  2 nis similar. Denote by P r the product of the primes not exceeding r. The rough outline of the proof will ... denote the greatest common divisor and [a, b] the least common multiple of integers a, b. Consider the coprime graph on the integers. This is the graph whose v...

Ngày tải lên: 07/08/2014, 06:22

... called the superstandard of the shape λ in [GR], p. 219.) Every standard Young tableau also corresponds to a string of numbers formed by reading the numbering in the order determined by the tableau. ... of standard Young tableaux with descents at 1 less the number of standard Young tableaux with descent at 1 but without descent at 3. The latter number equals tableauxbeginnin...

Ngày tải lên: 07/08/2014, 06:22

... equality holds in (1), then for any independent set I of cardinality α(Γ 2 ) in Γ 2 , φ −1 (I) is an independent set of cardinality α(Γ 1 ) in Γ 1 . 2 Intersecting families in the alternating group Throughout, ... half of these permutations are odd. Now, interchange the entries containing the symbols n − 2 and n in these odd permutations. Together with the rema...

Ngày tải lên: 07/08/2014, 15:22

... every cubic graph G containing F i and any dominating set D in G, the set D has at least 9 vertices in V (F i ). If D contains neither x i nor y i , then by Claim 1 D must contain 3 vertices in ... γ(H 2 −v 9 −v 10 ) = 6. In particular, every dominating set in any cubic graph containing V (H 2 ) has at least 6 vertices in V (H 2 ) − v 10 . The above claim is easy to check usin...

Ngày tải lên: 07/08/2014, 15:22

... to another. This means that we are forced to start with +3 and continue until we obtain the whole 0-class. After which we may either continue with 2, −3, . . . or with +2, −3, . . In the first case ... to describe the remaining class, using ±2. If we choose −1 then the smallest element in the next class is 2, and again we find it impossible to describe the remaining cl...

Ngày tải lên: 08/08/2014, 12:22

... such a polygon do not change genus of such a surface. Operation 1: Aaa − ∼ A, Operation 2: AabBab ∼ AcBc, Operation 3: AB ∼ {(Aa), (a − B)}, A A a a A B a b b a A B c c A B A Bc c Figure 4: Operation ... attaching ears serially or by bar -amalgamation of a cactus to G N The authors of [5] discussed a Kuratowski type theorem for average genus of graph...

Ngày tải lên: 08/08/2014, 12:23

... constraint in the structure of trees or indeed all higher plants. If we seek meaning in the list as a whole there remains the task of “seeing the wood for the trees”, selecting and arranging them into ... contain them. On the other hand, each could be examined for indications of non-viability. 4.2 Gradients But the intended purpose of the rules was to aid the...

Ngày tải lên: 08/08/2014, 14:22

... map returns the regular binomial coefficients in the Pascal triangle. We obtain the regular Pascal pyramid if r = 3. For the cases r ≥ 4 we will refer as generalized Pascal pyramids. The main purp ... k 1 + ···+ k m = n. In order to prepare the proof of Theorem 5, let introduce the notation of rays in generalized Pascal pyramids. As usual, a lattice ray in...

Ngày tải lên: 08/08/2014, 14:23

... male with an intact crystalline lensFigure 2 Colour images of perfluorodecalin residue in anterior cham- ber of a 17-year-old male with an intact crystalline lens. Colour images of the retina ... before and after operationFigure 1 Colour images of the retina before and after operation. (a and b) Giant retinal tear with shallow detached retina involving...

Ngày tải lên: 11/08/2014, 10:23