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Showing 2019Show all

204 papers · 1 filter

cs.DM2019★ 3 cited

Maximum independent sets in (pyramid, even hole)-free graphs

Maria Chudnovsky, Stéphan Thomassé, Nicolas Trotignon +1

A \emph{hole} in a graph is an induced cycle with at least 4 vertices. A graph is \emph{even-hole-free} if it does not contain a hole on an even number of vertices. A \emph{pyramid…

astro-ph.IM2019★ 29 cited

Magritte, a modern software library for 3D radiative transfer: I. Non-LTE atomic and molecular line modelling

Frederik De Ceuster, Ward Homan, Jeremy Yates +3

Radiative transfer is a key component in almost all astrophysical and cosmological simulations. We present Magritte: a modern open-source software library for 3D radiative transfer…

q-bio.MN2019★ 5 cited

Anomalous thermal fluctuation distribution sustains proto-metabolic cycles and biomolecule synthesis

Rowena Ball, John Brindley

An environment far from equilibrium is thought to be a necessary condition for the origin and persistence of life. In this context we report open-flow simulations of a non-enzymic…

astro-ph.GA2019★ 7 cited

The isothermal evolution of a shock-filament interaction

K. J. A. Goldsmith, J. M. Pittard

Studies of filamentary structures that are prevalent throughout the interstellar medium are of great significance to a number of astrophysical fields. Here, we present 3D hydrodyna…

cs.CG2019★ 1 cited

MoebInv: C++ libraries for manipulations in non-Euclidean geometry

Vladimir V. Kisil

The introduced package MoebInv contains two CPP libraries for symbolic, numeric and graphical manipulations in non-Euclidean geometry. The first library cycle implements basic geom…

quant-ph2019★ 14 cited

The geometry of passivity for quantum systems and a novel elementary derivation of the Gibbs state

Nikolaos Koukoulekidis, Rhea Alexander, Thomas Hebdige +1

Passivity is a fundamental concept that constitutes a necessary condition for any quantum system to attain thermodynamic equilibrium, and for a notion of temperature to emerge. Whi…