A honeynet is a special prepared network which is not used in normal business. It is a kind of playground to watch and learn the tactics of crackers. The only purpose of a honeynet is to be probed, attacked or compromised. During the operation other systems may not be harmed by an attack originated within the honeynet. In this paper the design, realization and operation of a honeynet built with...

Modeling heat transfer in complex heterogeneous fractured system is key for geothermal energy applications. Discrete fracture network (DFN) modeling the classical framework to reproduce advective part of transport, which determined by connectivity and heterogeneity. This approach general sacrifices representation rock matrix, disregarding both its diffusive exchange with fractures effects therm...

Fn−k+1H 2n−2k+1(X)∼= F n−k+1A2n−2k+1(X)c dFn−k+1A2n−2k(X) . If (Zt )t∈C is a flat family of codimension k algebraic cycles on X parametrized by a smooth irreducible curve C, the map t → kX(Zt − Z0) factors through a homomorphism from the Jacobian J (C) to J 2k−1(X), and one can show that the image of this morphism is a complex subtorus of J 2k−1(X) whose tangent space is contained in Hk−1,k(X) ...

Following the approach introduced in [SIAM J. Sci. Comput., 35 (2013), pp. B487– B510], we consider the formulation of the problem of fluid flow in a system of fractures as a PDE constrained optimization problem, with discretization performed using suitable extended finite elements; the method allows independent meshes on each fracture, thus completely circumventing meshing problems usually rel...

Zusammenfassung In diesem Paper stellen wir ein Echtzeit-Szenario zur Überwachung und Steuerung von entfernt laufenden Großsimulationen vor, das auf einer Extraktion von Geometrien aus den Simulationsdaten, deren Übertragung über Hochgeschwindigkeitsnetze zu einem Client und der daraufhin erfolgenden Simulationssteuerung beruht. Wir stellen die Probleme eines solchen Szenarios dar und präsentie...

1 This work is sponsored by the Siemens Telecollaboration Center, Saarbrücken, by the DFN (Deutsches Forschungsnetz), and by the BMBF (Bundesministerium für Forschung und Technologie). Abstract In this paper we present a general framework for the transmission of interactive media with real-time characteristics, i.e. media involving user interaction. By identifying and supporting the common aspe...

1 This work is sponsored by the Siemens Telecollaboration Center, Saarbrücken, by the DFN (Deutsches Forschungsnetz), and by the BMBF (Bundesministerium für Forschung und Technologie). Abstract In this paper we present a general framework for the transmission of interactive media with real-time characteristics, i.e. media involving user interaction. By identifying and supporting the common aspe...

Abstract Fireballs are infrequently recorded by seismic sensors on the ground. If recorded, they usually reported as one-off events. This study is first bulk analysis of largest single fireball data set, observed Desert Fireball Network (DFN) in Australia period 2014–2019. The DFN typically observes fireballs from cm-m scale impactors. We identified 25 time series Australian National Seismograp...