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- Dublin Institute For Advanced StudiesIE81 papers
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23 papers · 1 filter
On connected simple graphs and their degree sequences
Jonathan McLaughlin
This note describes necessary and sufficient conditions for a sequence of positive integers to be the degree sequence of a connected simple graph. Conditions are also given under w…
Verifying Temporal Properties of Reactive Systems by Transformation
Geoff Hamilton
We show how program transformation techniques can be used for the verification of both safety and liveness properties of reactive systems. In particular, we show how the program tr…
On connected degree sequences
Jonathan McLaughlin
This note gives necessary and sufficient conditions for a sequence of non-negative integers to be the degree sequence of a connected simple graph. This result is implicit in a pape…
R-Matrix incorporating Time (RMT) method for H2+ in short and intense laser fields
Cathal Ó Broin, Lampros A. A. Nikolopoulos
In this work we develop an approach for a molecular hydrogen ion (H2+) in the Born-Oppenheimer approximation while exposed to intense short-pulse radiation. Our starting point is t…
The high-energy gamma-ray detection of G73.9+0.9, a supernova remnant interacting with a molecular cloud
Andrzej A. Zdziarski, Denys Malyshev, Emma de Ona Wilhelmi +6
We have analysed the Fermi LAT data on the SNR G73.9+0.9. We have confirmed a previous detection of high-energy gamma-rays from this source at a high significance of .…
Geometric properties of a 2-D space-time arising in 4-D black hole physics
Marc Casals, Brien C. Nolan
The Schwarzschild exterior space-time is conformally related to a direct product space-time, , where is a two-dimensional space-time. This…