Báo cáo toán học: "On the linearity of higher-dimensional blocking sets" pot

... few results on the linearity of small minimal k -blocking sets and on the size of small k -blocking sets t hat will be used thro ug hout this paper. The first of the following theorems of Sz˝onyi and ... for the size of the intersection that are obtained in this statement, can occur (see [7]). The bound on the characteristic of the field appearing in Main Theor...

Ngày tải lên: 08/08/2014, 12:23

... equals the sign of the permutation i 1 j 1 i n j n of 12 (2n). Each nonzero term of the expansion of the Pfaffian of A(D) equals x(P ) or −x(P ) where P is a perfect matching of G.Ifs(D, P) denote the ... all the vertices belong to the base B 0 , and the embedding of each edge uses at most one bridge. The set of the edges embedded entirely on the base will...

Ngày tải lên: 07/08/2014, 06:20

... completes the proof of the theorem.  In the next theorem we show that the degree of hyperenergeticity grows at least exponentially with t he number of distinct prime divisors of n by making use of the ... m. 3. If α(λ) is the multiplicity of the eigenvalue λ of X n , then λα(λ) is a multiple of φ(n). 3. ENERGY OF UNITARY CAYLEY GRAPHS We first give a direct pro...

Ngày tải lên: 07/08/2014, 21:21

... α(j) = 0, 0 ≤ j ≤ n. Then the solution of (4.4) and (4.5) is bounded if and only if the condition (5.5) is satisfied. Proof. The proof is immediate consequence from proof of Theorem 4.3 with Remark ... condition for the boundedness of all solutions of (1.1) and the scalar case of (1.1), respectively. The next result provides a sufficient condition for the boundedness of...

Ngày tải lên: 20/06/2014, 20:20

Ngày tải lên: 05/08/2014, 10:20

Ngày tải lên: 05/08/2014, 10:20

Ngày tải lên: 05/08/2014, 10:20

Ngày tải lên: 05/08/2014, 10:20

Ngày tải lên: 05/08/2014, 15:20

Ngày tải lên: 05/08/2014, 15:20