Báo cáo toán học: "Dilatations isometriques d''''''''operateurs et le probleme des sous-espaces invariants " potx
Báo cáo toán học: " Common fixed points and best approximations in locally convex spaces" potx
... article as: Al-Mezel: Common fixed points and best approximations in locally convex spaces. Fixed Point
Theory and Applications 2011 2011:99.
Submit your manuscript to a
journal and benefi t from:
7 ... a locally convex
space. In this section, we show that the problem concerning the existence of common
fixed points of R-subcommuting maps on sets not necessa...
Báo cáo toán học: " Visual diagnosis: Rectal foreign body: A primer for emergency physicians" potx
... CAS E REP O R T Open Access
Visual diagnosis: Rectal foreign body: A primer for
emergency physicians
Bobby Desai
Abstract
We present a case that is occasionally seen within emergency departments, ... removal of the object for clinicians.
Case
A 39-year-old male presented to the Emergency Depart-
ment with vague complaints of abdominal pain and con-
stipation. He st...
Báo cáo toán học: " Including emergency and acute care as a global health priority" potx
... Access
Including emergency and acute care as a global
health priority
Nicholas Risko
1*
, Emilie JB Calvello
2
, Sarah Stewart de Ramirez
3
, Mayur Narayan
4
and Jon Mark Hirshon
5
Abstract
A ... care was once again crowded off the
agenda.
The recently released UN Report of the Secretary-
General on the preventio n and control of NCDs [1]
aggressively attacked acute...
Báo cáo toán học: "Boundedness of Multilinear Littlewood-Paley Operators for the Extreme Cases" potx
... C
|α|=m
||D
α
A||
BMO
||f||
L
n/δ
.
Combining these estimates, we complete the proof of Theorem 1.
Vietnam Journal of Mathematics 33:2 (2005) 123–134
Boundedness of Multilinear Littlewood-Paley
Operators for the Extreme Cases
*
Liu ... y)|
2
dydt
t
n+1
1/2
,
where
∗
This work was supported by the NNSF (Grant: 10271071).
Boundedness of Multilinear Littlewood-...
Báo cáo toán học: " The Existence of Solutions to Generalized Bilevel Vector Optimization Problems" potx
... ∅.
Thus, the set P S defined as in (16) with α = P is nonempty and compact. To
complete the proof of the theorem, it remains to apply Theorem 1.
Existence of Solutions to Generalized Bilevel Vector ... Institute of Mathematics of the Humboldt University
in Berlin and the Institute of Mathematics of the Cologne University.
Existence of Solutions...
Báo cáo toán học: "A note on the number of (k, )-sum-free sets" potx
... is (k, )-sum-free for k, ∈ N, k>,ifthere
are no solutions to the equation x
1
+ ···+ x
k
= y
1
+ ···+ y
in A. Denote
by SF
n
k,
the number of (k, )-sum-free subsets of [1,n]. Since the ... ρ). The main result of this
note says that if (k − )/ is small in terms of ρ, then the number of
(k, )-sum-free subsets of [1,n]isequalto(ϕ(ρ)+ϕ
r...
Báo cáo toán học: " Symmetric Sum-Free Partitions and Lower Bounds for Schur Numbers" potx
... and the second follows from (2)
and the bounds for R
5
(3) given in S. Radziszowski’s survey paper [6]. For earlier
work on lower bounds for S(k) see H. Fredricksen [5] and A. Beutelspacher and
W. ... D
k
(n)tobethemaximumofD(P )overall
symmetric sum-free partitions P of [1,n]intok sets. Notethatwemusthave
D
k
(n) ≤ S(k − 1) + 1.
Symmetric Sum-Free Partitions...
Báo cáo toán học: " a construction for sets of integers with distinct subset sums" potx
... a construction for sets of integers
with distinct subset sums
Tom Bohman
Department of Mathematics, 2-339
Massachusetts Institute of Technology
77 Massachusetts Ave.
Cambridge, MA 02139
bohman@math.mit.edu
Submitted: ... can make an approximation
of L ≈ .22001865 with an error of less than 1.5 ·10
−7
. Inequality (10) can certainly
be used to obtain more precise ap...
Báo cáo toán học: "A Multiple Integral Evaluation Inspired by the Multi-WZ Method" potx
... symbolic, i.e. arbitrary, k,
thereby fulfilling the hope raised in [Z98].
A Multiple Integral Evaluation Inspired by the
Multi-WZ Method
∗
Akalu Tefera
Department of Mathematics
Temple University, ... is guaranteed by the fundamental
theorem of the (continuous version of the) multi-WZ theory [WZ92].
Doron Zeilberger wrote a Maple implementation, TRIPLE INTEGRAL
2
,t...
Báo cáo toán học: "Some new methods in the Theory of m-Quasi-Invariants" pps
... completes our proof since the manipulations at the beginning
of the section prove that the two quotients in (5.42) have the same Hilbert series.
References
[1] Yu. Berest, P. Etingof and V. Ginzburg, ... QI
m
(D
n
)
of m-quasi-invariants of D
n
. More precisely we have
the electr onic jou rnal of combinatorics 12 (2005), #R20 8
Proof Because of uniqueness of the e...
Báo cáo toán học: "The Edmonds-Gallai Decomposition for the k-Piece Packing Problem" potx
... contain at least one tip.
The Edmonds-Gallai structure theorem can be formulated for the k-piece packing
problem as follows. The classical Edmonds-Gallai theorem first defines the vertex set D
to consist ... characterization for graphs
having a perfect k-piece packing and a min-max result for the size of a maximum k-piece
packing are derived.
Neither the Edmon...
Báo cáo toán học: "On subgraphs induced by transversals in vertex-partitions of graphs" potx
... contains a subgraph on k − 1 vertices not in In(H) and by Proposition 2, there
is a k-coloring of G avoiding rainbow induced copies of H. Therefore, if any k-coloring
of G contains a rainbow induced ... x
10
.Butthen
{x
10
,x
1
,x
2
,x
5
} induces a rainbow Λ, a contradiction.
Claim 3. Any coloring of G(3) in 4 colors contains an induced rainbow Λ.
Let c be a coloring of...
Báo cáo toán học: "A New Statistic on Linear and Circular r-Mino Arrangements" potx
... are based on the fact that F
(r)
n
(q, t)andL
(r)
n
(q, t) are, respec-
tively, bivariate generating functions for a pair of statistics on linear and circular r-mino
arrangements.
2Linearr-Mino ... Classifications: 11B39, 05A15
Abstract
We introduce a new statistic on linear and circular r-mino arrangements which
leads to interesting polynomial generalizations of the...
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