Báo cáo hóa học:PERIODIC SOLUTIONS OF ARBITRARY LENGTH IN A SIMPLE INTEGER ITERATION" doc
Báo cáo hóa học:PERIODIC SOLUTIONS OF ARBITRARY LENGTH IN A SIMPLE INTEGER ITERATION" doc
... when a is rational. The rotation angle θ
= arccos (a/ 2) ((2.2), above) is never a
rational multiple of π for nontrivial rational a, that is, a
= 0,±1[3], indicating a large
number of iterations ... different.
In contrast, the follow ing example shows that when a is irrational, it does not follow
that there are arbitrarily many distinct iterates simply because an initial co...
Báo cáo hóa học: " PERIODIC SOLUTIONS OF SECOND-ORDER LIÉNARD EQUATIONS WITH p-LAPLACIAN-LIKE OPERATORS" pot
... with a p-
Laplacian-like operator, to appear in Applied Mathematics Letters.
Youyu Wang: The School of Mathematics, Beijing Institute of Technology, Beijing 100081, China
E-mail address: wang-youyu@sohu.com
Weigao ... equations,JournalofDiffer ential Equations 105 (1993), no. 2, 364–409.
[5] C. Fabry and D. Fayyad, Periodic solutions of second order differential equations with a p...
Báo cáo hóa học: "PERIODIC SOLUTIONS OF DISSIPATIVE SYSTEMS REVISITED" potx
... class of T
τ
|
R
n
and T
τ
|
A
.
Example 1. Taking in Theorem 4.2 A
⊂ R
n
such that A = A
1
∪ A
2
and A
1
∩ A
2
=∅,
where both A
1
, A
2
are compact subinvariant absolute retracts, we have χ (A) ... τ-periodic
solution of (1.1) can be so obtained, by the diagonalization argument, as a uniform
limit of a selected sequence of τ-periodic solutions of approxima...
Báo cáo hóa học: "PERIODIC SOLUTIONS OF NONLINEAR VECTOR DIFFERENCE EQUATIONS" ppt
... Rational Mechanics and Analysis 12 (1963), 134–149.
[8] A. Halanay and V. R
ˇ
asvan, Stability and Stable Oscillations in Discrete Time Systems,Advancesin
Discrete Mathematics and Applications, vol. ... separated linear parts and scalar equations were investigated. In
this paper, we consider essentially nonlinear systems in a Euclidean space. We prove the
existence of periodic sol...
Báo cáo hóa học: "PERIODIC SOLUTIONS OF SECOND-ORDER NONAUTONOMOUS DYNAMICAL SYSTEMS" pptx
... satisfying
x
2
X
=
n
j=1
x
j
2
H
1
. (2.1)
Martin Schechter 7
The proof of Theorem 1.2 is similar to that of Theorem 1.1 with the exception of the
inequality (2.8) resulting from Hypothesis (2). In its place we reason as follows: ... [16], Mawhin [6], Mawhin and Willem
[8], Tang [11, 12], Tang and Wu [13–15], Wu and Tang [17] and others proved existence
under various condi...
báo cáo hóa học: " Reduced inclination of cervical spine in a novel notebook screen system - implications for rehabilitation" docx
... performed the analysis and interpretation of
the data. MFS, SU, KV, SM, BK: Participation in the analysis of data, revision of
the manuscript. All authors read and approved the final manuscript.
Received: ... work-
places. In Germany extended research has lead to a
national regulation for w orkstation (BildscharbV) that
defines the workstation delineating sizes of chair and
tabl...
báo cáo hóa học:" The role of tendon microcirculation in Achilles and patellar tendinopathy" doc
... vascular in- growth in
tendinopathy, in other words the neovascularisation, is
accompanied with a nerval in- growth facilitating pain
transmission in Achilles tendionpathy [32] and patella
tendinopathy ... (green) of ischemia following
clamping of the left descending coronary artery and reper-
fusion with decreased baseline myocardial oxygen saturation
after 15 and 30 min of...
báo cáo hóa học:" Homoclinic solutions of some second-order non-periodic discrete systems" doc
... results
In order to obtain the existence of non-trivial homoclinic solutions of (1.1) by
using a standard minimizing argument, we will establish the corresponding
variational functional of (1.1). Define ... section, we are going to establish suitable variational structure of (1.1)
and give some lemmas which will be fundamental importance in proving our
main results. First, we s...
Báo cáo hóa học: " Polynomial solutions of differential equations" ppt
... polynomial a( x) has two distinct real roots.
By a linear change of variables and scal ing, we may assum e that the roots are 1 and
−1. Assuming that a( x) is non-negative in the interval [−1, ... 12
RESEARCH Open Access
Polynomial solutions of differential equations
H Azad
*
, A Laradji and M T Mustafa
* Correspondence:
hassanaz@kfupm.edu.sa
Department of Mathematics &
St...
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