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Showing 2005Show all

23 papers · 1 filter

math.PR2005★ 1 cited

Random graph asymptotics on high-dimensional tori

Markus Heydenreich, Remco van der Hofstad

We investigate the scaling of the largest critical percolation cluster on a large d-dimensional torus, for nearest-neighbor percolation in high dimensions, or when d>6 for sufficie…

cond-mat.stat-mech2005★ 10 cited

Fermionic superfluidity with positive scattering length

Bout Marcelis, Servaas Kokkelmans

Superfluidity in an ultracold Fermi gas is usually associated with either a negative scattering length, or the presence of a two-body bound state. We show that none of these ingred…

math.DS2005★ 9 cited

Multiscale analysis of re-entrant production lines: An equation-free approach

Y. Zou, I. G. Kevrekidis, D. Armbruster

The computer-assisted modeling of re-entrant production lines, and, in particular, simulation scalability, is attracting a lot of attention due to the importance of such lines in s…

math.PR2005★ 3 cited

Joint density for the local times of continuous-time Markov chains: Extended version

D. Brydges, R. van der Hofstad, W. Konig

We investigate the local times of a continuous-time Markov chain on an arbitrary discrete state space. For fixed finite range of the Markov chain, we derive an explicit formula for…

physics.flu-dyn2005★ 41 cited

Response maxima in time-modulated turbulence: Direct Numerical Simulations

Arkadiusz K. Kuczaj, Bernard J. Geurts, Detlef Lohse

The response of turbulent flow to time-modulated forcing is studied by direct numerical simulations of the Navier-Stokes equations. The large-scale forcing is modulated via periodi…

q-bio.GN2005★ 57 cited

On the Complexity of the Single Individual SNP Haplotyping Problem

Rudi Cilibrasi, Leo van Iersel, Steven Kelk +1

We present several new results pertaining to haplotyping. These results concern the combinatorial problem of reconstructing haplotypes from incomplete and/or imperfectly sequenced…

quant-ph2005★ 2 cited

Generic Security Proof of Quantum Key Exchange using Squeezed States

Karin Poels, Pim Tuyls, Berry Schoenmakers

Recently, a Quantum Key Exchange protocol that uses squeezed states was presented by Gottesman and Preskill. In this paper we give a generic security proof for this protocol. The m…

physics.plasm-ph2005★ 100 cited

Diffusion correction to the avalanche--to--streamer transition

C. Montijn, U. Ebert

Space-charge dominated streamer discharges can emerge in free space from single electrons. We reinvestigate the Raether-Meek criterion and show that streamer emergence depends not…

nlin.PS2005★ 25 cited

Regularization of moving boundaries in a Laplacian field by a mixed Dirichlet-Neumann boundary condition: exact results

B. Meulenbroek, U. Ebert, L. Schaefer

The dynamics of ionization fronts that generate a conducting body, are in simplest approximation equivalent to viscous fingering without regularization. Going beyond this approxima…

math.ST2005★ 6 cited

Addendum to the discussion of "Breakdown and groups"

P. Laurie Davies, Ursula Gather

In his discussion of Davies and Gather [Ann. Statist. 33 (2005) 977--1035] [math.ST/0508497] Tyler pointed out that the theory developed there could not be applied to the case of d…

cond-mat.stat-mech2005★ 23 cited

Dissociation of Feshbach Molecules into Different Partial Waves

Stephan Dürr, Thomas Volz, Niels Syassen +5

Ultracold molecules can be associated from ultracold atoms by ramping the magnetic field through a Feshbach resonance. A reverse ramp dissociates the molecules. Under suitable cond…

cond-mat.mtrl-sci2005★ 38 cited

Spatial structure of Mn-Mn acceptor pairs in GaAs

A. M. Yakunin, A. Yu. Silov, P. M. Koenraad +5

The local density of states of Mn-Mn pairs in GaAs is mapped with cross-sectional scanning tunneling microscopy and compared with theoretical calculations based on envelope-functio…

q-bio.GN2005★ 4 cited

On the Complexity of Several Haplotyping Problems

Rudi Cilibrasi, Leo van Iersel, Steven Kelk +1

In this paper we present a collection of results pertaining to haplotyping. The first set of results concerns the combinatorial problem of reconstructing haplotypes from incomplete…

math.PR2005★ 67 cited

The universality classes in the parabolic Anderson model

Remco van der Hofstad, Wolfgang Koenig, Peter Moerters

We discuss the long time behaviour of the parabolic Anderson model, the Cauchy problem for the heat equation with random potential on . We consider general i.i.d. potentials…

math.ST2005★ 44 cited

Minimax and adaptive estimation of the Wigner function in quantum homodyne tomography with noisy data

Cristina Butucea, Madalin Guţa, Luis Artiles

We estimate the quantum state of a light beam from results of quantum homodyne measurements performed on identically prepared quantum systems. The state is represented through the…

cond-mat.str-el2005★ 67 cited

Terahertz Conductivity at the Verwey Transition in Magnetite

A. Pimenov, S. Tachos, T. Rudolf +5

The complex conductivity at the (Verwey) metal-insulator transition in Fe_3O_4 has been investigated at THz and infrared frequencies. In the insulating state, both the dynamic cond…

cond-mat.mtrl-sci2005★ 25 cited

Cl electrosorption on Ag(100): Lateral interactions and electrosorption valency from comparison of Monte Carlo simulations with chronocoulometry experiments

I. Abou Hamad, S. J. Mitchell, Th. Wandlowski +2

We present Monte Carlo Simulations using an equilibrium lattice-gas model for the electrosorption of Cl on Ag(100) single-crystal surfaces. Fitting the simulated isotherms to chron…

math.PR2005★ 20 cited

Subexponential asymptotics of hybrid fluid and ruin models

Bert Zwart, Sem Borst, Krzystof Debicki

We investigate the tail asymptotics of the supremum of X(t)+Y(t)-ct, where X={X(t),t\geq 0} and Y={Y(t),t\geq 0} are two independent stochastic processes. We assume that the proces…

math.PR2005★ 11 cited

Distances in random graphs with finite mean and infinite variance degrees

Remco van der Hofstad, Gerard Hooghiemstra, Dmitri Znamenski

In this paper we study random graphs with independent and identically distributed degrees of which the tail of the distribution function is regularly varying with exponent $τ\in (2…

math.CO2005

Counting Connected Graphs Asymptotically

Remco van der Hofstad, Joel Spencer

We find the asymptotic number of connected graphs with vertices and edges when approach infinity, reproving a result of Bender, Canfield and McKay. We use the {\e…

math.GR2005

A Poset Connected to Artin Monoids of Simply Laced Type

A. M. Cohen, D. A. H. Gijsbers, D. B. Wales

Let W be a Weyl group whose type is a simply laced Dynkin diagram. On several W-orbits of sets of mutually commuting reflections, a poset is described which plays a role in linear…

quant-ph2005

Quantum Information Theoretical Analysis of Various Constructions for Quantum Secret Sharing

Karin Rietjens, Berry Schoenmakers, Pim Tuyls

Recently, an information theoretical model for Quantum Secret Sharing (QSS) schemes was introduced. By using this model, we prove that pure state Quantum Threshold Schemes (QTS) ca…

cs.LO2005★ 3 cited

Split-2 Bisimilarity has a Finite Axiomatization over CCS with<br> Hennessy&#39;s Merge

Luca Aceto, Wan Fokkink, Anna Ingolfsdottir +1

This note shows that split-2 bisimulation equivalence (also known as timed equivalence) affords a finite equational axiomatization over the process algebra obtained by adding an au…