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- Imre Varga, János Pipek
- Physical review. E, Statistical, nonlinear, and…
- 2003

We discuss some properties of the generalized entropies, called Rényi entropies, and their application to the case of continuous distributions. In particular, it is shown that these measures of… (More)

- János Pipek, Szilvia Nagy
- Journal of Computational Chemistry
- 2013

The wave function of a many electron system contains inhomogeneously distributed spatial details, which allows to reduce the number of fine detail wavelets in multiresolution analysis approximations.… (More)

- Szilvia Nagy, János Pipek
- Physical chemistry chemical physics : PCCP
- 2015

In wavelet based electronic structure calculations, introducing a new, finer resolution level is usually an expensive task, this is why often a two-level approximation is used with very fine starting… (More)

- Imre Varga, János Pipek
- 1994

The scaling properties of the wave functions in finite samples of the one dimensional Anderson model are analyzed. The states have been characterized using a new form of the information or entropic… (More)

- Lajos Trézl, Lehel Hullán, Tibor Szarvas, A. Csiba, János Pipek
- Acta biologica Hungarica
- 1998

The investigations proved that D-glucose (as reducing sugar) can easily be activated in a ternary system (L-lysine: D-glucose: H2O2) similarly to formaldehyde at 20 degrees C, in pH = 7.4 forming… (More)

- János Pipek, Szilvia Nagy
- The Journal of chemical physics
- 2006

The detail structure of the wave function is analyzed at various refinement levels using the methods of wavelet analysis. The eigenvalue problem of a model system is solved in granular Hilbert… (More)

Based on the spectral statistics obtained in numerical simulations on three dimensional disordered systems within the tight–binding approximation, a new superuniversal scaling relation is discovered… (More)

- János Pipek, Imre Varga, Etienne Hofstetter, Elméleti Fizika Tanszék
- 2000

Numerical and analytical details are presented on the newly discovered superscaling property of the energy spacing distribution in the three dimensional Anderson model. PACS: 71.30.+h, 72.12.Rn,… (More)

The shape analysis of the energy spacing distribution P (s) obtained from numerical simulation of two dimensional disordered electron systems subject to strong magnetic fields is performed. In the… (More)

- Imre Varga, János Pipek
- 1997

The scale invariant properties of wave functions in finite samples of one dimensional random systems with correlated disorder are analyzed. The random dimer model and its generalizations are… (More)