Báo cáo toán học: " New Graphs of Finite Mutation Type" docx
Báo cáo toán học: " New proofs of Schur-concavity for a class of symmetric functions" potx
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New proofs of Schur-concavity for a class of symmetric ... 0,
and then h
(t) ≤ 0, so f (t) is concave on (0, 1).
NEW PROOFS OF SCHUR-CONCAVITY FOR A CLASS OF
SYMMETRIC FUNCTIONS
HUAN-NAN SHI
∗
, JIAN Z...
Báo cáo hóa học: " New inequalities of hermite-hadamard type for convex functions with applications" pptx
... 2011:86
http://www.journalofinequalitiesandapplications.com/content/2011/1/86
Page 2 of 11
RESEARCH Open Access
New inequalities of hermite-hadamard type for
convex functions with applications
Havva ... Department of
Mathematics, 25240, Campus,
Erzurum, Turkey
Abstract
In this paper, some new inequalities of the Hermite-Hadamard type for functions
whose mo...
Báo cáo hóa học: "NEW CLASSES OF GENERALIZED INVEX MONOTONICITY" docx
... some generalized
invex monotonicity which are also discussed in [13], mentioned as generalized invariant
monotonicity.
The purpose of this paper is to introduce new classes of generalized invex ... the new class of generalized invex
monotone plus mappings, and generalized invex cocoercive mappings respectively. We
analyze the differential property of these new gene...
Báo cáo toán học: "Absolute values of completely hyponormal operators " docx
... class="bi x0 y0 w3 h 1" alt =""
Báo cáo toán học: "Commutant representations of completely bounded maps " docx
... class="bi x0 y2 w4 h 1" alt =""
Báo cáo toán học: "Norm limits of finite direct sums of $I_infty$ factors " potx
... class="bi x0 y2 w2 h 2" alt =""
Báo cáo toán học: "Cayley Graphs of Abelian Groups Which Are Not Normal Edge-Transitive" pot
... Sim, The normality of Cayley graphs of finite
abelian groups with Valency
5, System Science and Mathematical Science 13
(2000) 420–431.
Cayley Graphs of Abelian Groups Which Are Not Normal Edge-Transitive ... non- normal Cayley graphs of an abelian group
are as follows.
(1) G = Z
4
,S = G\{1}, =K
4
.
(2) G = Z
4
ì Z
2
= aìb,S = {a, a
−1
,b}, Γ=Q
3
the cube....
Báo cáo toán học: "The Structure of Locally Finite Two-Connected Graphs" potx
... ,A
k
denote the bridges of the endpoints of e;thereare
only finitely many of them, since G is locally finite. Then k ≥ 3 and one of the A
i
is
the edge e itself. If A
i
consists of more than a single ... Invariance of
T
e
Proposition 1 Let G be a locally finite 2-connected graph, and let e be an edge of G.IfT is
any 3-block tree for G, then T = T
e
.
Proof: We will show that th...
Báo cáo toán học: "Critical subgraphs of a random graph" docx
... such that at least one pair of the configuration will
contain a point from each of T
1
u
,T
v
, and at least one pair will contain a point from each
of T
2
u
,T
v
, with probability at least 1 ... Molloy. A gap between the appearances of a k-core and a (k+1)-chromatic graph.
Random Structures and Algorithms, 8 (1996), 159 - 160.
[21] M. Molloy and B. Reed. A critical poin...
Báo cáo toán học: "Diagonal Sums of Boxed Plane Partitions" docx
... simple proof of a nice formula for the means and covari-
ances of the diagonal sums of a uniformly random boxed plane parition.
An a ì b ì c boxed plane partition is an a ì b grid of
integers ... combinatorics 8 (2001), #N1 3
Diagonal Sums of Boxed Plane Partitions
David B. Wilson
Microsoft Research
One Microsoft Way
Redmond, WA 98052
dbwilson@microsoft.com
Submitte...
Báo cáo toán học: "Equilateral Triangles in Finite Metric Spaces" docx
... points
at distance 2 from c in M, or else there are equilateral triangles inside. It follows that
the electronic journal of combinatorics 11 (2004), #R18 10
Equilateral Triangles in Finite Metric ... In the following we will talk about metric spaces
with distances in sets not containing 0: this slight abuse of language is only meant to
simplify the discourse, since while 0...
Báo cáo toán học: "A characterization of balanced episturmian sequences" docx
... particular,
the A-strict episturmian sequences correspond to the Arnoux-Rauzy sequences (see [3]).
3 Balanced episturmian sequences
In this section, we give a characterization of the balanced episturmian ... is
ultimately periodic.
Proof. It is a direct consequence of Theorem 3.10.
Corollary 3.13. None of the Arnoux-Rauzy sequences (A-strict episturmian sequences)
are bal...
Báo cáo toán học: "Edge-bandwidth of the triangular grid" docx
... Section 4, together with several other ideas, to complete the proof of Theorem
1.1. In the proof, we also give a more precise description of the error term.
Throughout this article, we use the notation ... (K
k
) ∩ M = ∅}.
the electronic journal of combinatorics 14 (2007), #R67 8
4 Proof of Theorem 1.1
We now turn to the proof of the lower bound in Theorem 1.1.
Fix a...
Báo cáo toán học: " New Graphs of Finite Mutation Type" docx
... New Graphs of Finite Mutation Type
Harm Derksen
∗
Department of Mathematics
University of Michigan
hderksen@umich.edu
Theodore Owen
Department of Mathematics
Iowa State ... constructed mutation- finite graphs from triangulations of ori-
ented bordered surfaces with marked points. We will call such graphs of geometric
type”. Besides graphs with 2 vertices, and graphs...