Báo cáo toán học: "Regular spanning subgraphs of bipartite graphs of high minimum degree" docx
Báo cáo toán học: "Regular spanning subgraphs of bipartite graphs of high minimum degree" docx
... referee for the useful remarks.
the electronic journal of combinatorics 14 (2007), #N21 6
Regular spanning subgraphs of bipartite
graphs of high minimum degree
B´ela Csaba
∗†
Submitted: Aug 1, 2007; ... electronic journal of combinatorics 14 (2007), #N21 2
3.2 Proof of part II
For proving part II of the theorem we want to construct a class of balanced bipartite
gr...
Báo cáo toán học: "Permutation Separations and Complete Bipartite Factorisations of Kn,n" pot
... (simple, undirected) graphs. An F -factor of G is a spanning
subgraph of G whose components are all isomorphic to F .A(complete) F -factorisation
of G is a decomposition of G as a union of edge-disjoint ... is to complete the study of factorisation of balanced complete
bipartite graphs K
n,n
into factors each of whose components are K
p,q
. This subject began
with the s...
Báo cáo toán học: "Gorenstein polytopes obtained from bipartite graphs" pdf
... induced subgraph S is bipartite, and that any v ∈ S
has a constant degree k. Th en P
S
is a Gorenstein polytope of codegree k.
Proof. The proof is similar to the one of Beck et al. [2, Prop.1]. ... point of S lies on some edge in
M.
the electronic journal of combinatorics 17 (2010), #R8 8
of S. As a general reference on the Ehrhart theory of lattice polytopes we refer to the
re...
Báo cáo toán học: "Regular character tables of symmetric groups" docx
... as the product
of all parts of all partitions of n. It also equals b
n
, which is defined as the product of all
factorials of all multiplicities of parts in partitions of n. Proofs of this may be ... be the number of partitions of n. The number p
∗
(n)
of regular partitions of n equals the number of class regular partitions of n and then
p
(n)=p(n) − p
∗
(n) is th...
Báo cáo toán học: "Regular factors of regular graphs from eigenvalues" pptx
... is a root of f
1
(x) = 0. This completes the proof. ✷
3 The proof of The orems 1.5 and 1.6
We will need the following technical lemma whose proof is an easy modification of the
proof of Theorem ... if
R = K
r+1−m
+ M
m/2
. This completes the proof. ✷
Proof of Theorem 1.4 . Let H be a graph in H(r, m) with λ
1
(H) ρ
2
(r, m). With
similar proof of Claim 1 in Theorem 1.3, we obtain...
Báo cáo toán học: " Metal work-function-dependent barrier height of Ni contacts with metal-embedded nanoparticles to 4H-SiC" doc
...
current value of sample NP-2 was about one order of magnitude higher than that of
reference samples (10
−3
A/cm
2
), due to the smaller barrier height of NP-2 (0.87 eV)
compared with that of Ref ... the value of 5.18 × 10
5
for Ref. The
increased electric field of the samples with the Au and Ag NPs is mainly attributed to
the reduction of barrier height as the effective...
Báo cáo toán học: " Synthesis and anti-HSV-1 evaluation of new " docx
...
mechanisms of action could offer an additional strategy against drug resistance of viruses.
Several examples of non-nucleoside inhibitors have been proposed as candidate drugs for
the treatment of ... used on treatment of HSV infections [3–5]. However, the widespread use
of these compounds has been associated with the emergence of drug-resistant HSV
strains [5]. The discover...
Báo cáo toán học: " Lifecycle scenario design for product end-of-life strategy" potx
... (management of alternatives), we developed a method of recording alternatives at
each step with maintenance of logical consistency using the TMS and successfully supported the management
of tradeoffs ... scenario. The results of the evaluation
indicated that, while the profit satisfies the objective value of more than 100%, the reduction of CO
2
emissions does not fulfill ei...
Báo cáo toán học: " Lyapunov-type inequalities for a class of even-order differential equations" doc
... for a class of
even-order differential equations
Qi-Ming Zhang
∗1
and Xiaofei He
2
1
College of Science, Hunan University of Technology, Zhuzhou,
Hunan 412000, P.R. China
2
College of Mathematics ... a class of even-order differential equations
Journal of Inequalities and Applications 2012, 2012:5 doi:10.1186/1029-242X-2012-5
Qi-Ming Zhang (zhqm20082008@sina.com)
Xiaofei He (hexiao...
Báo cáo toán học: " UWB system based on energy detection of derivatives of the Gaussian pulse" potx
... signal
bandwidth of a single pulse in a GFSK system is at most
one half of that of a PPM system. But this does not
mean that the maximum possible data rate of a G FSK
systemisonehalfofthatofaPPMsystem.InUWB
channels, ... frequency ranges of
filters. Filter 1 is designed to pass the signal energy of p
1
(t) and reject that of p
2
(t), and Filter 2 passes the signal
energy of p...
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