Báo cáo toán học: "Two-stage allocations and the double Q-function" pdf
Báo cáo toán học: "Vector spaces and the Petersen graph" pdf
... circuits and G is not ordinary. ✷
Theorem 4.3 If neither G[X] nor G[X] is bipartite, then G is not ordinary.
Proof: By hypothesis, b(G) + p(G) ≥ 2, and so the result follows from Theorem 2.3. ✷
The ... F
0
+ F
0
= ∅, the components of A span A(G). The theorem follows. ✷
Let G be a matching covered graph. If b(G) + p(G) = 0, then G is bipartite and
A(G) = E(G), by Theorem 1.1 an...
Báo cáo toán học: " Weak compactness and the Eisenfeld-Lakshmikantham measure of nonconvexity" potx
... closed, and convex subsets of the bounded and convex set coC,
then µ(C
n
) = 0 (n ∈ N), and therefore C
∞
= ∅. Appealing again to the
ˇ
Smulian theorem [6, Theorem V.6.2] we find that the convex ... denotes the closed and convex hull of A and H(C, D) is the
Hausdorff-Pompeiu distance between the bounded subsets C and D of X.
The E-L measure of nonconvexity was introdu...
Báo cáo toán học: " Order-distributions and the Laplace-domain logarithmic operator" docx
... are preserved
through the mapping, the stable region always lies to the left of the contour. In the v-
plane, this is the region above the top horizontal line, and below the lower h orizontal
0 ... Cleveland, OH 44135, USA
Authors’ contributions
TH and CL worked together in the derivation of the mathematical results. Both authors read and approved the final
manuscr...
Báo cáo toán học: " Parity Systems and the Delta-Matroid Intersection Problem" pot
... Find whether G
1
and G
2
have orthogonal Euler tours.
If G
1
and G
2
are equal to the graph G of Problem 1.7 and each directed
transition of G has the same colour in G
1
and G
2
, then T
1
and T
2
are ... 2-matroids
Let Q
1
and Q
2
be 2-matroids. When Q
1
and Q
2
have the same ground-set
and skew classes we shall use Q
1
+ Q
2
to denote the parity system which is
the...
Báo cáo toán học: " INCREASING SUBSEQUENCES AND THE CLASSICAL GROUPS" ppsx
... asymptotic
formula for f
nk
from theorem 1.1, together with standard results from random
matrix theory relating the behavior of the eigenvalues of random unitary matrices
to the behavior of the eigenvalues of ... D
1
be the following operation on tableaux: delete the top-left element of the
tableaux, then move the lesser of the element immediately below and the element
i...
Báo cáo toán học: " Monomial nonnegativity and the Bruhat orde" pot
... nonnegativity and the Bruhat order
Brian Drake, Sean Gerrish, Mark Skandera
Dept. of Mathematics, Brandeis University
MS 050, P.O. Box 9110, Waltham, MA 02454
bdrake@math.brandeis.edu
Dept. of Mathematics, ... that the coefficient of m
1
s
in the monomial expansion of h
λ
− h
µ
is negative.
the electronic journal of combinatorics 11(2) (2005), #R18 3
Note that the ratio of the coe...