Báo cáo toán học: "A p, q-analogue of a Formula of Frobenius" docx
Báo cáo toán học: " Spin-related tunneling through a nanostructured electric-magnetic barrier on the surface of a topological insulator" potx
... Qian D, Wray L, Xia Y, Hor YS, Cava RJ, Hasan MZ: A topological Dirac
insulator in a quantum spin hall phase. Nature 2008, 452:970
[10] Hsieh D, Xia Y, Wray L, Qian D, Pal A, Dil JH, Osterwalder ... Lin H, Bansil A, Grauer D, Hor YS, Cava RJ, Hasan
MZ: Observation of a large-gap topological-insulator class with a single Dirac cone
on the surface. Nat Phys 2009, 5:398
[12] Chen YL,...
Báo cáo toán học: " Lyapunov-type inequalities for a class of even-order differential equations" doc
... the article as it appeared upon acceptance. Fully formatted
PDF and full text (HTML) versions will be made available soon.
Lyapunov-type inequalities for a class of even-order differential equations
Journal ... Research
Submission date 19 October 2011
Acceptance date 12 January 2012
Publication date 12 January 2012
Article URL http://www.journalofinequalitiesandapplications.com/content/20...
Báo cáo toán học: " Could petroleum biodegradation be a joint achievement of aerobic and anaerobic microrganisms in deep sea reservoirs?" pptx
... indicating the existence of alternating
aerobic and anaerobic lifecycles. A comparative biodegradation of terpanes, hopanes and
steranes under aerobic and anaerobic conditions, Table 3, indicate ... Lira-Galeana, C. & Mesta-Howard, A. M. (2004) A
microbial consortium isolated from a crude oil sample that uses asphaltenes as a carbon
and energy source. Biodegradation 15, 1...
Báo cáo toán học: "An Asymptotic Expansion for the Number of Permutations with a Certain Number of Inversions" docx
... comments and
suggestions which have led to a substantially improved paper.
An Asymptotic Expansion for the Number of
Permutations with a Certain Number of Inversions
Lane Clark
Department of Mathematics
Southern ... =3)and(6;m =1)
the electronic journal of combinatorics 7 (2000), #R50 11
References
[1] M. Abramowitz and I .A. Stegun, Eds., Handbook of Mathematical Functions with...
Báo cáo toán học: "Around the Razumov–Stroganov conjecture: proof of a multi-parameter sum rule" pot
... configuration
realizes a planar pairing of the boundary points via a link pattern, namely a diagram
in which 2n labelled and regularly spaced points of a circle are connected by pairs via
non-intersecting ... such that 1
and −1’s alternate along each row and column, possibly separated by arbitrarily many
0’s, and such that row and column sums are all 1, have attracted much attentio...
Báo cáo toán học: "New upper bound for a class of vertex Folkman numbers" pptx
... ≥ max {a
1
, ,a
r
}. Folkman [3] proved
that there exists a graph G such that G → (a
1
, ,a
r
)andcl(G)=max {a
1
, ,a
r
}.
Therefore
F (a
1
, ,a
r
; q) exists if and only if q>max {a
1
, ,a
r
}. ... graphs without loops and multiple edges. We call a
p-clique of the graph G asetofp vertices, each two of which are adjacent. The largest
positive integer p, such that the gr...
Báo cáo toán học: "Bounds for the H¨ckel energy of a graph u" pptx
... Seidel.
Let G be a graph with vertex set X, and Y ⊆ X. From G we obtain a new graph
by leaving adjacency and non-adjacency inside Y and X \Y as it was, and interchanging
adjacency and non-adjacency b ... Then the eigenvalues of G are defined as the
eigenvalues of A. As all eigenvalues of A are real, we can rearra nge them as λ
1
··· λ
n
.
I. Gutman (see [9]) defined the energy...
Báo cáo toán học: "Some symmetric identities involving a sequence of polynomials" potx
... Published: Jan 14, 2010
Mathematics Subject Classifications: 0 5A1 9, 11B68
Abstract
In this paper we establish some symmetric identities on a sequence of polynomials
in an elementary way, and some known ... umbral calculus, Gessel [6] gave another generalization of Kaneko’s
identity, and obtained that for m, n ∈ N,
m
k=0
m
k
B
n+k
+ (−1)
m+n−1
n
k=0
n
k
B
m+k
= 0. (1.5)
A...
Báo cáo toán học: "Promotion operator on rigged configurations of type A" potx
... be the set of semi-standard Young tableaux
of (rectangular) shape (s
r
) over the alphabet {1, 2, . . . , n + 1}.
Recall that for each semi-standard Young tableau t, we can associate a weight wt(t) ... diagram
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