Results 71 to 80 of about 2,048,777 (316)
Displaced solar sail orbits : dynamics and applications [PDF]
, 2010 We consider displaced periodic orbits at linear order in the circular restricted Earth-Moon system, where the third massless body is a solar sail. These highly non-Keplerian orbits are achieved using an extremely small sail acceleration.
Simo, J. +4 more
core
Unique normal forms near a degenerate elliptic fixed point in two-parametric families of area-preserving maps [PDF]
, 2014 We derive simplified normal forms for an area-preserving map in a neighbourhood of a degenerate resonant elliptic fixed point. Such fixed points appear in generic families of area-preserving maps. We also derive a simplified normal form for a generic two-
Gelfreikh, Natalia, Gelfreich, Vassili
core +1 more source
Weakly recurrent and almost periodic points in βG
International Journal of Mathematics and Mathematical Sciences, 1988 Let G be a group. We will study the relationship between AG and WRG. In Nassar [1] it has been shown that if G is a nontorsion group, then AG⫋RG. In this paper we will show that if G contains a subset A such that K.A is not left thick for each finite set
Mostafa Nassar
doaj +1 more source
the periodic coincidence points of continuius maps and lindemann's
مجلة بغداد للعلوم, 2005 this paper give a proof of known conditions for the existence of peridic conincidence points of continuius maps using lindemann theotem on transcendental ...
Baghdad Science Journal
doaj +1 more source
Early Impact of Childhood Opportunity on Neurocognitive Outcomes in Sickle Cell Disease
Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Neurocognitive impairment is a well‐recognized complication of sickle cell disease (SCD) that begins early in childhood and persists across development. While cerebrovascular injury contributes substantially to risk, neurocognitive deficits are also observed in children without overt or silent cerebral infarctions, suggesting ...
Julia E. LaMotte +5 more
wiley +1 more source
Bifurcations of periodic orbits and uniform approximations. [PDF]
, 1997 We derive uniform approximations for contributions to Gutzwiller's periodic-orbit sum for the spectral density which are valid close to bifurcations of periodic orbits in systems with mixed phase space.
Schomerus, Henning +3 more
core
A Periodic Systems Toolbox for MATLAB [PDF]
, 2005 The recently developed Periodic Systems Toolbox for MATLAB is described. The basic approach to develop this toolbox was to exploit the powerful object manipulation features of MATLAB via flexible andfunctionally rich high level m-functions, while ...
A. Varga, Varga, A.
core +1 more source
Almost periodic points and minimal sets in topological spaces
Applied General Topology, 2009 In the paper [Almost periodic points and minimal sets in w-regular spaces, Topology Appl. 154 (2007), 2873–2879], Mai and Sun showed that several known results concerning almost periodic points and minimal sets of maps can be generalized from regular ...
Chikara Fujita, Hisao Kato
doaj +1 more source
Normality, Quasinormality and Periodic Points [PDF]
Nagoya Mathematical Journal, 2009 AbstractLet M > 1 be a positive number. Let be a family of holomorphic functions f in some domain D ⊂ ℂ for which there exists an integer k = k(f) > 2 such that |(fk)′(ζ)| ≤ Mk for every periodic point ζ of period k of f in D. We show first that is quasinormal of order at most one in D. This strengthens a result of W. Bergweiler.
openaire +3 more sources
An [Imperfect] Case for Dyadic Research in Pediatric Psychosocial Oncology
Pediatric Blood &Cancer, EarlyView.
Stephanie M. Nanos +2 more
wiley +1 more source