Thursday, February 28, 2013
1302.6732 (Sumesh P. Thampi et al.)
Velocity Correlations in an Active Nematic [PDF]
Sumesh P. Thampi, Ramin Golestanian, Julia M. Yeomans1302.6734 (Tomohiko G. Sano et al.)
Jet-induced jammed states of granular jet impacts [PDF]
Tomohiko G. Sano, Hisao Hayakawa1302.6767 (A. Cavalli et al.)
Topology optimization of robust superhydrophobic surfaces [PDF]
A. Cavalli, P. Bøggild, F. Okkels1302.6891 (Dapeng Bi et al.)
Fluctuations in Shear-Jammed States: A Statistical Ensemble Approach [PDF]
Dapeng Bi, Jie Zhang, R. P. Behringer, Bulbul Chakraborty1302.6987 (Song-Chuan Zhao et al.)
Measuring the configurational temperature of a binary disc packing [PDF]
Song-Chuan Zhao, Matthias SchröterWednesday, February 27, 2013
1302.6272 (Adam P. Willard et al.)
Characterizing heterogeneous dynamics at hydrated electrode surfaces [PDF]
Adam P. Willard, David T. Limmer, Paul A. Madden, David Chandler1302.6306 (Guo Chen et al.)
Coalescence of Pickering emulsion droplets induced by an electric field [PDF]
Guo Chen, Peng Tan, Shuyu Chen, Jiping Huang, Weijia Wen, Lei Xu1302.6323 (Anna R. Schneider et al.)
Coexistence between fluid and crystalline phases of proteins in
photosynthetic membranes [PDF]
Anna R. Schneider, Phillip L. Geissler
1302.6518 (Davide Fiocco et al.)
Oscillatory athermal quasi-static deformation of a model glass [PDF]
Davide Fiocco, Giuseppe Foffi, Srikanth SastryTuesday, February 26, 2013
1302.5787 (Felix Kümmel et al.)
Circular motion of asymmetric self-propelling particles [PDF]
Felix Kümmel, Borge ten Hagen, Raphael Wittkowski, Ivo Buttinoni, Giovanni Volpe, Hartmut Löwen, Clemens Bechinger1302.5845 (Pedro A. Sánchez et al.)
Effects of the dipolar interaction on the equilibrium morphologies of a
single supramolecular magnetic filament in bulk [PDF]
Pedro A. Sánchez, Joan J. Cerdà, Tomás Sintes, Christian Holm
1302.5897 (Joan J. Cerdà et al.)
Phase diagram for a single flexible magnetic filament in a poor solvent
at zero field [PDF]
Joan J. Cerdà, Pedro A. Sánchez, Christian Holm, Tomàs Sintes
1302.5924 (Xavier Grandchamp et al.)
Lift and down-gradient shear-induced diffusion in Red Blood Cell
suspensions [PDF]
Xavier Grandchamp, Gwennou Coupier, Aparna Srivastav, Christophe Minetti, Thomas Podgorski
1302.5939 (Mehdi Khodayari et al.)
Floating Electrode Electrowetting on Hydrophobic Dielectric with an SiO2
Layer [PDF]
Mehdi Khodayari, Benjamin Hahne, Nathan B. Crane, Alex A. Volinsky
1302.5948 (Shaikh M. Shamid et al.)
Statistical mechanics of bend flexoelectricity and the twist-bend phase
in bent-core liquid crystals [PDF]
Shaikh M. Shamid, Subas Dhakal, Jonathan V. Selinger
1302.5952 (L. Giomi et al.)
Swarming, swirling and stasis in sequestered bristle-bots [PDF]
L. Giomi, N. Hawley-Weld, L. Mahadevan1302.6052 (Abhishek Kumar et al.)
Actomyosin contractility rotates the cell nucleus [PDF]
Abhishek Kumar, Ananyo Maitra, Madhuresh Sumit, Sriram Ramaswamy, G. V. Shivashankar1302.6176 (Andrea Cavalli et al.)
Modelling unidirectional liquid spreading on slanted microposts [PDF]
Andrea Cavalli, Matthew L. Blow, Julia M. YeomansMonday, February 25, 2013
1302.5513 (Shahin Mobarakabadi et al.)
Granular transport in a horizontally vibrated sawtooth channel [PDF]
Shahin Mobarakabadi, Ehsan Nedaaee Oskoee, Matthias Schröter, Mehdi Habibi1302.5547 (V. D. Borman et al.)
The model of randomly distributed polydisperse overlapping spheres [PDF]
V. D. Borman, A. A. Belogorlov, V. A. Byrkin, V. N. Tronin, V. I. Troyan1302.5559 (Lorenzo Di Michele et al.)
Multistep kinetic self-assembly of DNA-coated colloids [PDF]
Lorenzo Di Michele, Francesco Varrato, Jurij Kotar, Simon H. Nathan, Giuseppe Foffi, Erika EiserFriday, February 22, 2013
1302.5105 (Ross L. Hatton et al.)
Geometric visualization of self-propulsion in a complex medium [PDF]
Ross L. Hatton, Yang Ding, Howie Choset, Daniel I. Goldman1302.5118 (Marco Di Stefano et al.)
Colocalization of coregulated genes: a steered molecular dynamics study
of human chromosome 19 [PDF]
Marco Di Stefano, Angelo Rosa, Vincenzo Belcastro, Diego di Bernardo, Cristian Micheletti
1302.5136 (Andrzej Grzybowski et al.)
Dynamic heterogeneity of glass-forming liquids in the density scaling
regime [PDF]
Andrzej Grzybowski, Kajetan Koperwas, Karolina Kolodziejczyk, Katarzyna Grzybowska, Marian Paluch
1302.5220 (Michel Destrade et al.)
Bending instabilities of soft tissues [PDF]
Michel Destrade, Aisling Ni Annaidh, Ciprian Coman1302.5263 (Ulf R. Pedersen et al.)
Computing Gibbs free energy differences by interface pinning [PDF]
Ulf R. Pedersen, Felix Hummel, Georg Kresse, Gerhard Kahl, Christoph Dellago1302.5277 (Jörn Dunkel et al.)
Fluid dynamics of bacterial turbulence [PDF]
Jörn Dunkel, Sebastian Heidenreich, Knut Drescher, Henricus H. Wensink, Markus Bär, Raymond E. Goldstein1302.5335 (Patrick B. Warren et al.)
Phase behaviour and the random phase approximation for ultrasoft
restricted primitive models [PDF]
Patrick B. Warren, Andrew J. Masters
Thursday, February 21, 2013
1302.4868 (Ludovic Berthier et al.)
Nonequilibrium glass transitions in driven and active matter [PDF]
Ludovic Berthier, Jorge Kurchan1302.4884 (Tamás Pusztai et al.)
Spiraling eutectic dendrites [PDF]
Tamás Pusztai, László Rátkai, Attila Szállás, László Gránásy1302.4997 (Shibi Thomas et al.)
Probability of the emergence of helical precipitation patterns in the
wake of reaction-diffusion fronts [PDF]
Shibi Thomas, Istvan Lagzi, Ferenc Molnar Jr, Zoltan Racz
1302.5025 (Jean-Francois Joanny et al.)
The actin cortex as an active wetting layer [PDF]
Jean-Francois Joanny, Karsten Kruse, Jacques Prost, Sriram Ramaswamy1302.5029 (Francis W. Starr et al.)
The Relationship of Dynamical Heterogeneity to the Adam-Gibbs and Random
First-Order Transition Theories of Glass Formation [PDF]
Francis W. Starr, Jack F. Douglas, Srikanth Sastry
1302.5048 (A. A. Volkov et al.)
Proton Electrodynamics in Liquid Water [PDF]
A. A. Volkov, V. G. Artemov, A. V. Pronin1302.5061 (Van Duc Nguyen et al.)
Controlling colloidal phase transitions with critical Casimir forces [PDF]
Van Duc Nguyen, Suzanne Faber, Zhibing Hu, Gerard H. Wegdam, Peter SchallWednesday, February 20, 2013
1302.4541 (Shuxi Dai et al.)
Electrochemical Deposition of ZnO Hierarchical Nanostructures from
Hydrogel Coated Electrodes [PDF]
Shuxi Dai, Yinyong Li, Zuliang Du, Kenneth R. Carter
1302.4555 (Zaki Abiza et al.)
Large acoustoelastic effect [PDF]
Zaki Abiza, Michel Destrade, Ray W. Ogden1302.4556 (Michel Destrade et al.)
On stress-dependent elastic moduli and wave speeds [PDF]
Michel Destrade, Ray W. Ogden1302.4563 (Maximilien Levesque et al.)
Structure and dynamics in yttrium-based molten rare earth alkali
fluorides [PDF]
Maximilien Levesque, Vincent Sarou-Kanian, Mathieu Salanne, Mallory Gobet, Henri Groult, Catherine Bessada, Paul A. Madden, Anne-Laure Rollet
1302.4696 (Greg Lever et al.)
Electrostatic considerations affecting the calculated HOMO-LUMO gap in
protein molecules [PDF]
Greg Lever, Daniel J Cole, Nicholas D M Hine, Peter D Haynes, Mike C Payne
1302.4698 (N. Boechler et al.)
Interaction of a Contact Resonance of Microspheres with Surface Acoustic
Waves [PDF]
N. Boechler, J. K. Eliason, A. Kumar, A. A. Maznev, K. A. Nelson, N. Fang
1302.4724 (Martin Castelnovo et al.)
Entropic control of particle sizes during viral self-assembly [PDF]
Martin Castelnovo, Delphine Muriaux, Cendrine Faivre-MoskalenkoTuesday, February 19, 2013
1302.3914 (M. Ballauff et al.)
Residual Stresses in Glasses [PDF]
M. Ballauff, J. M. Brader, S. U. Egelhaaf, M. Fuchs, J. Horbach, N. Koumakis, M. Krüger, M. Laurati, K. J. Mutch, G. Petekidis, M. Siebenbürger, Th. Voigtmann, J. Zausch1302.3937 (V. B. Bobrov et al.)
Metal - non-metal transition and the second critical point in expanded
metals [PDF]
V. B. Bobrov, S. A. Trigger, A. G. Zagorodny
1302.3990 (Edan Lerner et al.)
Low-energy non-linear excitations in sphere packings [PDF]
Edan Lerner, Gustavo Düring, Matthieu Wyart1302.3996 (C. Nadir Kaplan et al.)
Intrinsic curvature determines the crinkled edges of "crenellated disks" [PDF]
C. Nadir Kaplan, Thomas Gibaud, Robert B. Meyer1302.3999 (Pierre Recho et al.)
Mechanotaxis and cell motility [PDF]
Pierre Recho, Thibault Putelat, Lev Truskinovsky1302.4002 (Pierre Recho et al.)
An asymmetry between pushing and pulling for crawling cells [PDF]
Pierre Recho, Lev Truskinovsky1302.4102 (M. Brust et al.)
Rheology of human blood plasma: Viscoelastic versus Newtonian behavior [PDF]
M. Brust, C. Schaefer, L. Pan, M. Garcia, P. E. Arratia, C Wagner1302.4223 (I. M. Neklyudov et al.)
Influence by small dispersive coal dust particles of different
fractional consistence on characteristics of iodine air filter at nuclear
power plant [PDF]
I. M. Neklyudov, O. P. Ledenyov, L. I. Fedorova, P. Ya. Poltinin
1302.4271 (Atsushi Ikeda et al.)
Disentangling glass and jamming physics in the rheology of soft
materials [PDF]
Atsushi Ikeda, Ludovic Berthier, Peter Sollich
1302.4313 (N J Watson et al.)
Post-processing of polymer foam tissue scaffolds with high power
ultrasound: a route to increased pore interconnectivity, pore size and fluid
transport [PDF]
N J Watson, R K Johal, Y Reinwald, L J White, A M Ghaemmaghami, S P Morgan, F R A J Rose, M J W Povey, N G Parker
Monday, February 18, 2013
1302.3788 (Matt Harrington et al.)
Suppression and emergence of granular segregation under cyclic shear [PDF]
Matt Harrington, Joost H. Weijs, Wolfgang Losert1302.3819 (O. V. Manyuhina et al.)
Doubly-periodic instability pattern in a smectic A liquid crystal [PDF]
O. V. Manyuhina, G. Tordini, W. Bras, J. C. Maan, P. C. M. ChristianenFriday, February 15, 2013
1302.3258 (Clara Mattner et al.)
The frequency-dependence of nonlinear conductivity in disordered
systems: an analytically solvable model [PDF]
Clara Mattner, Bernhard Roling, Andreas Heuer
1302.3286 (Leticia López-Flores et al.)
Molecular-Brownian Correspondence in the Hard-sphere Dynamic
Universality Class [PDF]
Leticia López-Flores, Martín Chávez-Páez, Magdaleno Medina-Noyola
1302.3335 (Xavier Illa et al.)
Transient Shear Banding in Time-dependent Fluids [PDF]
Xavier Illa, Antti Puisto, Arttu Lehtinen, Mikael Mohtaschemi, Mikko J. Alava1302.3340 (François Boulogne et al.)
How to reduce the crack density in drying colloidal material? [PDF]
François Boulogne, Frédérique Giorgiutti-Dauphiné, Ludovic PauchardThursday, February 14, 2013
1302.2968 (Florian Evers et al.)
Particle dynamics in two-dimensional random energy landscapes -
experiments and simulations [PDF]
Florian Evers, Richard D. L. Hanes, Christoph Zunke, Joerg Bewerunge, Imad Ladadwa, Andreas Heuer, Stefan U. Egelhaaf
1302.2979 (Gia-Wei Chern et al.)
Frustrated colloidal ordering and fully packed loops in arrays of
optical traps [PDF]
Gia-Wei Chern, C. Reichhardt, C. J. Olson Reichhardt
1302.3022 (Aisling Ni Annaidh et al.)
Characterising the Anisotropic Mechanical Properties of Excised Human
Skin [PDF]
Aisling Ni Annaidh, Karine Bruyere, Michel Destrade, Michael D. Gilchrist, Melanie Ottenio
1302.3094 (T. Neuhaus et al.)
Rhombic preordering on a square substrate [PDF]
T. Neuhaus, M. Marechal, M. Schmiedeberg, H. Löwen1302.3159 (Simon Čopar et al.)
Singular Values, Nematic Disclinations, and Emergent Biaxiality [PDF]
Simon Čopar, Mark R. Dennis, Randall D. Kamien, Slobodan Žumer1302.3216 (Anthony J. Clark et al.)
Thermodynamic consistency in variable-level coarse-graining of polymeric
liquids [PDF]
Anthony J. Clark, Jay McCarty, Ivan Y. Lyubimov, Marina G. Guenza
Wednesday, February 13, 2013
1302.2735 (Michel Destrade et al.)
Slight compressibility and sensitivity to changes in Poisson's ratio [PDF]
Michel Destrade, Michael D. Gilchrist, Julie Motherway, Jerry G. Murphy1302.2798 (Jose Alvarado et al.)
Molecular motors robustly drive active gels to a critically connected
state [PDF]
Jose Alvarado, Michael Sheinman, Abhinav Sharma, Fred C. MacKintosh, Gijsje H. Koenderink
1302.2858 (Ratul Dasgupta et al.)
Micro-alloying and the Toughness of Glasses: Modeling with Pinned
Particles [PDF]
Ratul Dasgupta, Pankaj Mishra, Itamar Procaccia, Konrad Samwer
1302.2896 (Thomas O. E. Skinner et al.)
Localization dynamics of fluids in random confinement [PDF]
Thomas O. E. Skinner, Simon K. Schnyder, Dirk G. A. L. Aarts, Juergen Horbach, Roel P. A. Dullens1302.2900 (Yun-Da Hsieh et al.)
Finite-size scaling method for the Berezinskii-Kosterlitz-Thouless
transition [PDF]
Yun-Da Hsieh, Ying-Jer Kao, A. W. Sandvik
Tuesday, February 12, 2013
1302.2280 (Vladimir Lobaskin et al.)
Collective dynamics in systems of active Brownian particles with
dissipative interactions [PDF]
Vladimir Lobaskin, Maksym Romenskyy
1302.2287 (Arthur A. Evans et al.)
Fluid transport by active elastic membranes [PDF]
Arthur A. Evans, Eric Lauga1302.2288 (Arthur A. Evans et al.)
Orientational order in concentrated suspensions of spherical
microswimmers [PDF]
Arthur A. Evans, Takuji Ishikawa, Takami Yamaguchi, Eric Lauga
1302.2411 (Michel Destrade et al.)
Simple shear is not so simple [PDF]
Michel Destrade, Jerry G. Murphy, Giuseppe Saccomandi1302.2473 (Riccardo Fantoni et al.)
The restricted primitive model of ionic fluids with nonadditive
diameters [PDF]
Riccardo Fantoni, Giorgio Pastore
1302.2511 (C. B. O'Donovan et al.)
Mean-field granocentric approach in 2D & 3D polydisperse, frictionless
packings [PDF]
C. B. O'Donovan, E. I. Corwin, M. E. Möbius
1302.2592 (Aleks Reinhardt et al.)
Computing phase diagrams for a quasicrystal-forming patchy-particle
system [PDF]
Aleks Reinhardt, Flavio Romano, Jonathan P. K. Doye
Monday, February 11, 2013
1302.1894 (Tobias A. Kesselring et al.)
Finite-size scaling investigation of the liquid-liquid critical point in
ST2 water and its stability with respect to crystallization [PDF]
Tobias A. Kesselring, Erik Lascaris, Giancarlo Franzese, Sergey V. Buldyrev, Hans J. Herrmann, H. Eugene Stanley
1302.1961 (Moniba Shams et al.)
Initial stresses in elastic solids: Constitutive laws and
acoustoelasticity [PDF]
Moniba Shams, Michel Destrade, Ray W. Ogden
1302.2003 (Silvio a Beccara et al.)
Folding Pathways of a Knotted Protein with a Realistic Atomistic Force
Field [PDF]
Silvio a Beccara, Tatjana Skrbic, Roberto Covino, Cristian Micheletti, Pietro Faccioli
1302.2029 (Fabian Dörfler et al.)
Stability of thin liquid films and sessile droplets under confinement [PDF]
Fabian Dörfler, Markus Rauscher, S. Dietrich1302.2030 (C. P. Amann et al.)
Stress-strain relations in bulk metallic glasses and colloidal
dispersions [PDF]
C. P. Amann, M. Ballauff, S. U. Egelhaaf, S. Fritschi, M. Fuchs, M. Krüger, M. Laurati, K. J. Mutch, K. Samwer, M. Siebenbürger, Th. Voigtmann, F. Weysser
Friday, February 8, 2013
1302.1641 (N. Ramakrishnan et al.)
Membrane mediated aggregation of curvature inducing nematogens and
membrane tubulation [PDF]
N. Ramakrishnan, P. B. Sunil Kumar, John H. Ipsen
1302.1673 (Anil Kumar Dasanna et al.)
Slow closure of denaturation bubbles in DNA: twist matters [PDF]
Anil Kumar Dasanna, Nicolas Destainville, John Palmeri, Manoel Manghi1302.1675 (Michel Destrade et al.)
Transverse Waves in Nonlinearly Elastic Solids and the Milne-Pinney (or
Ermakov) Equation [PDF]
Michel Destrade, Giuseppe Saccomandi
Thursday, February 7, 2013
1302.1285 (Michel Destrade et al.)
On Magnetoacoustic Waves in Finitely Deformed Elastic Solids [PDF]
Michel Destrade, Ray W. Ogden1302.1362 (N. Koumakis et al.)
Complex oscillatory yielding of model hard sphere glasses [PDF]
N. Koumakis, J. F. Brady, G. Petekidis1302.1385 (Mikhail I. Katsnelson et al.)
Graphene as a Prototype Crystalline Membrane [PDF]
Mikhail I. Katsnelson, Annalisa FasolinoWednesday, February 6, 2013
1302.0910 (Pinaki Chaudhuri et al.)
Onset of Couette flow in a confined colloidal glass [PDF]
Pinaki Chaudhuri, Jürgen Horbach1302.0966 (Riccardo De Pascalis et al.)
Nonlinear Correction to the Euler Buckling Formula for Compressed
Cylinders with Guided-Guided End Conditions [PDF]
Riccardo De Pascalis, Michel Destrade, Alain Goriely
1302.0987 (Sven van Teeffelen et al.)
Vacancy diffusion in colloidal crystals as determined by dynamical
density-functional theory and the phase-field-crystal model [PDF]
Sven van Teeffelen, Cristian Vasile Achim, Hartmut Löwen
1302.1120 (Bandan Chakrabortty et al.)
Topology of Complex Bridges inside Vibrated Dry Granular Media [PDF]
Bandan Chakrabortty, G. C. Barker, Anita Mehta, J. M. LuckTuesday, February 5, 2013
1302.0109 (Michel Destrade et al.)
Scalar evolution equations for shear waves in incompressible solids: A
simple derivation of the Z, ZK, KZK, and KP equations [PDF]
Michel Destrade, Alain Goriely, Giuseppe Saccomandi
1302.0192 (Sebastien Neukirch et al.)
The bending of an elastic beam by a liquid drop: A variational approach [PDF]
Sebastien Neukirch, Arnaud Antkowiak, Jean-Jacques Marigo1302.0259 (Roberto Bartali et al.)
Role of the granular nature of meteoritic projectiles in impact crater
morphogenesis [PDF]
Roberto Bartali, Gustavo M. Rodríguez-Liñán, Yuri Nahmad-Molinari, Damiano Sarochi, J. C. Ruiz-Suárez
1302.0267 (Fernando Peruani et al.)
Polar vs. apolar alignment in systems of polar self-propelled particles [PDF]
Fernando Peruani, Francesco Ginelli, Markus Bar, Hugues Chate1302.0311 (Fernando Peruani et al.)
Collective motion and nonequilibrium cluster formation in colonies of
gliding bacteria [PDF]
Fernando Peruani, Joern Starruss, Vladimir Jakovljevic, Lotte Sogaard-Andersen, Andreas Deutsch, Markus Bar
1302.0316 (Simon Praetorius et al.)
Structure and dynamics of interfaces between two coexisting liquid
crystalline phases [PDF]
Simon Praetorius, Axel Voigt, Raphael Wittkowski, Hartmut Löwen
1302.0525 (Riccardo Fantoni et al.)
Multicomponent fluid of nonadditive hard spheres near a wall [PDF]
Riccardo Fantoni, Andrés Santos1302.0572 (Hirofumi Niiya et al.)
Pattern formation of granular avalanches with vortex convection [PDF]
Hirofumi Niiya, Akinori Awazu, Hiraku Nishimori1302.0605 (Michel Destrade et al.)
Compression Instabilities of Tissues with Localized Strain Softening [PDF]
Michel Destrade, Jose MerodioFriday, February 1, 2013
1301.7463 (Denis Terwagne et al.)
The role of deformations in the bouncing droplet dynamics [PDF]
Denis Terwagne, François Ludewig, Nicolas Vandewalle, Stéphane Dorbolo1301.7479 (Ido Regev et al.)
Chaos, Reversibility and Yield in Amorphous Solids Under Periodic Shear [PDF]
Ido Regev, Turab Lookman, Charles Reichhardt1301.7492 (Carl F. Schreck et al.)
Particle-scale reversibility in athermal particulate media below jamming [PDF]
Carl F. Schreck, Robert S. Hoy, Mark D. Shattuck, Corey S. O'Hern1301.7547 (Tatjana Sentjabrskaja et al.)
Glasses of dynamically asymmetric binary colloidal mixtures: Quiescent
properties and dynamics under shear [PDF]
Tatjana Sentjabrskaja, Donald Guu, Paul M Lettinga, Stefan U Egelhaaf, Marco Laurati
1301.7562 (A. C. Callan-Jones et al.)
Active Gel Model of Amoeboid Cell Motility [PDF]
A. C. Callan-Jones, R. Voituriez1301.7579 (G. C. Fadda et al.)
Peptide pores in lipid bilayers : voltage facilitation pleads for a
revised model [PDF]
G. C. Fadda, D. Lairez, Z. Guennouni, A. Koutsioubas
1301.7604 (Merlijn S. van Deen et al.)
Particles accelerate the detachment of viscous liquids [PDF]
Merlijn S. van Deen, Thibault Bertrand, Nhung Vu, David Quéré, Eric Clément, Anke Lindner1301.7607 (T. Sentjabrskaja et al.)
Yielding of binary colloidal glasses [PDF]
T. Sentjabrskaja, E. Babaliari, J. Hendricks, M. Laurati, G. Petekidis, S. U. Egelhaaf1301.7638 (Denis Boyer et al.)
On ergodic least-squares estimators of the generalized diffusion
coefficient for fractional Brownian motion [PDF]
Denis Boyer, David S. Dean, Carlos Mejia-Monasterio, Gleb Oshanin
1301.7701 (Christoph A. Weber et al.)
Role of particle conservation in self-propelled particle systems [PDF]
Christoph A. Weber, Florian Thüroff, Erwin Frey
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