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16 papers · 1 filter
A variational problem for the spatial segregation of reaction--diffusion systems
Monica Conti, Susanna Terracini, Gianmaria Verzini
In this paper we study a class of stationary states for reaction--diffusion systems of densities having disjoint supports. For a class of segregation states governed by a…
Silicon Drift Detector Readout Electronics for a Compton Camera
T. Conka Nurdan, K. Nurdan, A. H. Walenta +4
A prototype detector for Compton camera imaging is under development. A monolithic array of 19 channel Silicon drift detector with on-chip electronics is going to be used as a scat…
Abelian subalgebras in Z_2-graded Lie algebras and affine Weyl groups
Paola Cellini, Pierluigi Moseneder Frajria, Paolo Papi
Let g=g_0+ g_1 be a simple Z_2-graded Lie algebra and let b_0 be a fixed Borel subalgebra of g_0. We describe and enumerate the abelian b_0-stable subalgebras of g_1.
Faraday Patterns in low-dimensional Bose-Einstein Condensates
Kestutis Staliunas, Stefano Longhi, German J. de Valcarcel
We show that Faraday patterns can be excited in the weak confinement space of low-dimensional Bose-Einstein condensates by temporal modulation of the trap width, or equivalently of…
On approximate solutions of semilinear evolution equations
Carlo Morosi, Livio Pizzocchero
A general framework is presented to discuss the approximate solutions of an evolution equation in a Banach space, with a linear part generating a semigroup and a sufficiently smoot…
On the astronomical orientation of the IV dynasty Egyptian pyramids and the dating of the second Giza pyramid
Giulio Magli
The data on the astronomical orientation of the IV dynasty Egyptian pyramids are re-analyzed and it is shown that such data suggest an inverse chronology between the `first` and th…