Thresholds of Spatially Coupled Systems via Lyapunov's Method

The threshold, or saturation phenomenon of spatially coupled systems is revisited in the light of Lyapunov's theory of dynamical systems. It is shown that an application of Lyapunov's direct method can be used to quantitatively describe the threshold phenomenon, prove convergence, and compute threshold values. This provides a general proof methodology for the various systems recently studied. Examples of spatially coupled systems are given and their thresholds are computed.Comment: 6 page

Vrtni puh (Eliomys quercinus L.) u Petite Camargue Alsacienne (prirodni rezervat, Alsace, Francuska). Ekološka studija uz lovljenje i radio-praćenje

Garden dormice (Eliomys quercinus L.) were investigated in 1993 and from 1995 to 1997 by trapping and radio tracking in a nature reserve (Petite Camargue Alsacienne, Alsace) in France. The number of captured animals was 463, 118 were trapped for the first time, 345 animals were recaptured. Normal seasonal activity of the population was from April to October in 1993. Newborn animals entered the population in 1993, 1995 and 1996 only in July. Radio tracking results showed a correlation of activity and sun rhythm, a behaviour which is already described for edible dormouse and hazel dormouse.Garden dormice (Eliomys quercinus L.) were investigated in 1993 and from 1995 to 1997 by trapping and radio tracking in a nature reserve (Petite Camargue Alsacienne, Alsace) in France. The number of captured animals was 463, 118 were trapped for the first time, 345 animals were recaptured. Normal seasonal activity of the population was from April to October in 1993. Newborn animals entered the population in 1993, 1995 and 1996 only in July. Radio tracking results showed a correlation of activity and sun rhythm, a behaviour which is already described for edible dormouse and hazel dormouse

Schwarzgefleckter Ameisenbläuling Phengaris (Maculinea) arion (Linnaeus, 1758) (Lepidoptera: Lycaenidae) : Wiederfund im Kanton Zürich nach über 50 Jahren

Mehr als 50 Jahre nach dem letzten bestätigten Fund konnten wir den Schwarzgefleckten Ameisenbläuling Phengaris (Maculinea) arion (Linnaeus, 1758) im Juli 2016 erstmals wieder im Kanton Zürich nachweisen. Ein Männchen fand sich auf einer südostexponierten, relativ steilen Extensivweide unterhalb des Schnebelhorns (ZH, Fischenthal) auf 1150 m ü. M. Möglicherweise besteht dort eine kleine autochthone Population. Es kann aber nicht ausgeschlossen werden, dass das gefundene Exemplar per Wind aus der nächstgelegenen (vermutlich aktuell noch vorhandenen) Population rund 15 km südöstlich des Schnebelhorns verfrachtet wurde. Confirmation of Phengaris (Maculinea) arion (Linnaeus, 1758) in the canton of Zurich more than 50 years after the last verified observation. In July 2016, a male individual of the Large Blue was found on an extensively grazed, southeast-exposed, rather steep pasture below the Schnebelhorn (ZH, Fischenthal) at 1150 m a. s. l. Evidence suggests that there might be a small autochthonous local population but it cannot be excluded that the individual found was windblown from the nearest (probably still existing) population about 15 km southeast of the Schnebelhorn