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- Simon R. Lang, Neville I. Williams
- AISC
- 2010

Abuse of free Internet resources and services from false account creation, to spam, to identity theft, excessive bandwidth usage, or even vote stuffing online polls is a big problem. The Completely Automatic Public Turing Test to tell Computers and Humans Apart (CAPTCHA) controls access to resources but automated systems are increasingly adept at overcoming… (More)

- Simon Lang, Vitalie Boţan, Martin Oettel, David Hajnal, Thomas Franosch, Rolf Schilling
- Physical review letters
- 2010

Extending mode-coupling theory, we elaborate a microscopic theory for the glass transition of liquids confined between two parallel flat hard walls. The theory contains the standard mode-coupling theory equations in bulk and in two dimensions as limiting cases and requires as input solely the equilibrium density profile and the structure factors of the… (More)

- Simon Lang, Rolf Schilling, Vincent Krakoviack, Thomas Franosch
- Physical review. E, Statistical, nonlinear, and…
- 2012

We present a detailed derivation of a microscopic theory for the glass transition of a liquid enclosed between two parallel walls relying on a mode-coupling approximation. This geometry lacks translational invariance perpendicular to the walls, which implies that the density profile and the density-density correlation function depends explicitly on the… (More)

- Simon R. Lang, Martin H. Luerssen, David M. W. Powers
- CORES
- 2013

- Thomas Franosch, Simon Lang, Rolf Schilling
- Physical review letters
- 2012

For extremely confined fluids with a two-dimensional density n in slit geometry of an accessible width L, we prove that in the limit L → 0, the lateral and transversal degrees of freedom decouple, and the latter become ideal-gas-like. For a small wall separation, the transverse degrees of freedom can be integrated out and renormalize the interaction… (More)

- Simon R. Lang, Martin H. Luerssen, David M. W. Powers
- 2013 IEEE/ACIS 12th International Conference on…
- 2013

Interest point detectors are important components in a variety of computer vision systems. This paper demonstrates an automated virtual 3D environment for controlling and measuring detected interest points on 2D images in an accurate and rapid manner. Real-time affine transform tools enable easy implementation and full automation of complex scene… (More)

- G. Agakishiev, A. Balanda, +85 authors Justus Liebig
- 2009

G. Agakishiev, A. Balanda, R. Bassini, D. Belver, A.V. Belyaev, A. Blanco, M. Böhmer, J. L. Boyard, P. Braun-Munzinger, P. Cabanelas, E. Castro, S. Chernenko, T. Christ, M. Destefanis, J. Dı́az, F. Dohrmann, A. Dybczak, T. Eberl, L. Fabbietti, O. V. Fateev, P. Finocchiaro, P. Fonte, J. Friese, I. Fröhlich, T. Galatyuk, J. A. Garzón, R. Gernhäuser, A. Gil,… (More)

- Y. C. Pachmayer, J. Markert, +11 authors P. Zumbruch

The spectroscopy of vector mesons in heavy ion collisions via their dielectron decay channel defines the decisive performance constraints on the HADES tracking system [1, 2]. An intrinsic spatial cell resolution of better than 140 μm along with the reduction of multiple scattering in detector materials and gas, high efficiency for detecting minimum ionizing… (More)

- Simon Lang, Thomas Franosch, Rolf Schilling
- The Journal of chemical physics
- 2014

Quasi-two-dimensional fluids can be generated by confining a fluid between two parallel walls with narrow separation. Such fluids exhibit an inhomogeneous structure perpendicular to the walls due to the loss of translational symmetry. Taking the transversal degrees of freedom as a perturbation to an appropriate 2D reference fluid we provide a systematic… (More)

- Suvendu Mandal, Simon Lang, Vitalie Boţan, Thomas Franosch
- Soft matter
- 2017

Within a recently developed mode-coupling theory for fluids confined to a slit we elaborate numerical results for the long-time limits of suitably generalized intermediate scattering functions. The theory requires as input the density profile perpendicular to the plates, which we obtain from density functional theory within the fundamental-measure… (More)