J. Cizek

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On the Correlation Problem in Atomic and Molecular Systems. Calculation of Wavefunction Components in Ursell-Type Expansion Using Quantum-Field Theoretical Methods

J. Cizek, 1966 .

Correlation problems in atomic and molecular systems III. Rederivation of the coupled-pair many-electron theory using the traditional quantum chemical methodst†‡§

Josef Paldus, J. Čížek, J. Cizek, 1971 .

Correlation Problems in Atomic and Molecular Systems. IV. Extended Coupled-Pair Many-Electron Theory and Its Application to the B H 3 Molecule

Josef Paldus, J. Čížek, J. Cizek, 1972 .

On the Use of the Cluster Expansion and the Technique of Diagrams in Calculations of Correlation Effects in Atoms and Molecules

Jiří Čížek, J. Cizek, 2007 .

Bender-Wu formulas for degenerate eigenvalues

B. G. Adams, J. Cizek, J. Paldus, 1980 .

Very accurate summation for the infinite coupling limit of the perturbation series expansions of anharmonic oscillators

Ernst Joachim Weniger, F. Vinette, Jiří Čížek, 1991 .

Nonadiabatic corrections for coupled oscillators using Rayleigh–Schrödinger perturbation theory of very high orders

J. Cizek, V. Špirko, 1995 .

On the use of divergent series in vibrational spectroscopy. Two- and three-dimensional oscillators

J. Cizek, O. Bludský, V. Špirko, 1993 .

Renormalized inner projection—a case study: The octic oscillator

E. Vrscay, J. Cizek, F. Vinette, 1987 .

Evaluation of Primary Brain Tumors Using 11C-Methionine PET with Reference to a Normal Methionine Uptake Map

J. Cizek, K. Herholz, W. Heiss, 2007, Journal of Nuclear Medicine.

Correlation problems in atomic and molecular systems. VI. Coupled-cluster approach to open-shell systems

J. Cizek, J. Paldus, M. Saute, 1978 .

A direct calculation of the excitation energies of closed-shell systems using the green function techniqueM†

J. Cizek, J. Paldus, 2009 .

Visual information processing in recently abstaining methamphetamine-dependent individuals: evoked potentials study

J. Cizek, J. Libiger, Jan Kremláček, 2008, Documenta Ophthalmologica.

Trigonometric polynomial interpolation of quantum mechanical properties by mutual perturbation approach

J. Cizek, J. Paldus, A. Laforgue, 1984 .

The concept of quasispin and its use for the study of physical and chemical properties of alternant conjugated hydrocarbons

E. Vrscay, J. Cizek, R. Pauncz, 1983 .

Stability Conditions for the Solutions of the Hartree-Fock Equations for Atomic and Molecular Systems. VI. Singlet-Type Instabilities and Charge-Density-Wave Hartree-Fock Solutions for Cyclic Polyenes

J. Cizek, J. Paldus, 1970 .

Stability Conditions for the Solutions of the Hartree–Fock Equations for Atomic and Molecular Systems. IV. A Study of Doublet Stability for Odd Linear Polyenic Radicals

J. Cizek, J. Paldus, 1971 .

Comment: On the derivation of coupled cluster equations

J. Cizek, J. Paldus, 1985 .

1/R Expansion for H2+: Analyticity, Summability, Asymptotics, and Calculation of Exponentially Small Terms

E. Harrell, J. Cizek, J. Paldus, 1990 .

Renormalized inner projection, symbolic computation, and Löwdin rational approximants in explicit form

E. Vrscay, J. Cizek, F. Vinette, 1987 .

Lower bounds to ground state eigenvalues of the Schrödinger equation via optimized inner projection: Application to quartic and sextic anharmonic oscillators

E. Vrscay, J. Cizek, 1986 .

A new method of approximative calculation of polycentric integrals used in the quantum mechanical study of molecular structure

J. Cizek, 1963 .

Application of graphical methods of spin algebras to limited CI approaches. I. Closed shell case

B. G. Adams, J. Cizek, J. Paldus, 1977 .

Correlation effects in the low‐lying excited states of the PPP models of alternant hydrocarbons. II. State correlation diagrams

J. Cizek, J. Paldus, I. Hubač, 2009 .

Application of graphical methods of spin algebras to limited CI approaches. II. A simple open shell case

B. G. Adams, J. Cizek, J. Paldus, 1977 .

Stability Conditions for the Solutions of the Hartree–Fock Equations for Atomic and Molecular Systems. III. Rules for the Singlet Stability of Hartree–Fock Solutions of π‐Electronic Systems

J. Cizek, J. Paldus, 1970 .

A Comment on the Paper by Hideo Fukutome: Spin Density Wave and Charge Transfer Wave in Long Conjugated Molecules†)

J. Cizek, J. Paldus, 1969 .

Construction of interpolant polynomials for approximating eigenvalues of a hamiltonian which is dependent on a coupling parameter

J. Cizek, P. Bracken, 1994 .

Asymptotic behavior of the ground-state-energy expansion for H/sub 2/ /sup +/ in terms of internuclear separation

J. Cizek, J. Paldus, M. Clay, 1980 .

Stark Effect in Hydrogen: Dispersion Relation, Asymptotic Formulas, and Calculation of the Ionization Rate via High-Order Perturbation Theory

B. G. Adams, J. Cizek, P. Otto, 1979 .

Bender-Wu Formula, the SO(4,2) Dynamical Group, and the Zeeman Effect in Hydrogen

B. G. Adams, E. Vrscay, J. Cizek, 1979 .

The Use of Algebraic Methods in Perturbation Theory

B. G. Adams, J. Cizek, J. Paldus, 1980 .

Geminal Localization in the Separated-Pair π-Electronic Model of Benzene

J. Cizek, J. Paldus, S. Sengupta, 1971 .

Convergence radii of the perturbation expansions for the ground‐state energies of finite Hubbard models

J. Cizek, J. Paldus, K. Hashimoto, 1988 .

Stability Conditions for the Solutions of the Hartree—Fock Equations for Atomic and Molecular Systems. Application to the Pi‐Electron Model of Cyclic Polyenes

Josef Paldus, Jiří Čížek, J. Cizek, 1967 .

Polycentric 2pπ electron repulsion integrals for the benzene molecule

J. Cizek, 1965 .

Two-point pade approximants in electrochemical kinetic currents

Josef Paldus, F. Vinette, J. Cizek, 1987 .

Influence of nitrogen–argon gas mixtures on reactive magnetron sputtering of hard Si–C–N films

J. Cizek, J. Zemek, M. Kormunda, 2002 .

Reactive magnetron sputtering of hard Si-B-C-N films with a high-temperature oxidation resistance

J. Cizek, J. Zemek, P. Zeman, 2005 .

Mechanical and optical properties of hard SiCN coatings prepared by PECVD

J. Cizek, A. Amassian, L. Martinu, 2004 .

Reactive magnetron sputtering of Si–C–N films with controlled mechanical and optical properties

J. Cizek, J. Zemek, M. Kormunda, 2003 .

Mechanical and optical properties of quaternary Si–B–C–N films prepared by reactive magnetron sputtering

J. Cizek, L. Martinu, J. Kalaš, 2008 .

Correlation effects in the low–lying excited states of the PPP models of alternant hydrocarbons. I. Qualitative rules for the effect of limited configuration interaction

J. Cizek, J. Paldus, I. Hubač, 1974 .

Alternancy symmetry: A unified viewpoint

J. Cizek, J. Paldus, J. Koutecký, 1985 .

Nature of the “sudden polarization” effect and its role in photochemistry

J. Cizek, J. Koutecký, V. Bonačić‐Koutecký, 2009 .

Spin properties of radicaloid alternant hydrocarbons. Exact solutions for representative Pariser–Parr–Pople model systems

J. Cizek, P. Wormer, J. Paldus, 1984 .

Perturbation expansion of the ground‐state energy for the one‐dimensional cyclic Hubbard system in the Hückel limit

J. Cizek, J. Paldus, M. Takahashi, 1995 .

Coupled cluster approach or quadratic–configuration interaction?: Reply to comment by Pople, Head‐Gordon, and Raghavachari

Josef Paldus, J. Čížek, J. Cizek, 1990 .

Coupled cluster approach or quadratic configuration interaction

Josef Paldus, J. Čížek, J. Cizek, 1989 .

Hartree–Fock stability and symmetry breaking: oxygen doubly negative ion

Josef Paldus, Jiří Čížek, J. Cizek, 1985 .

Approximate account of the connected quadruply excited clusters in the coupled-pair many-electron theory

Josef Paldus, J. Čížek, J. Cizek, 1984 .

Correlation problems in atomic and molecular systems. VII. Application of the open‐shell coupled‐cluster approach to simple π‐electron model systems

J. Cizek, J. Paldus, M. Saute, 1979 .

Time-Independent Diagrammatic Approach to Perturbation Theory of Fermion Systems

Josef Paldus, Jiří Čížek, J. Cizek, 1975 .

Green's function approach to the direct perturbation calculation of the excitation energies of closed shell fermion systems

J. Cizek, J. Paldus, 1974 .

Cluster expansion analysis for delocalized systems

J. Cizek, J. Paldus, L. Šroubková, 1969 .

Stability conditions for the solutions of the Hartree-Fock equations for the simple open-shell case

J. Cizek, J. Paldus, 1969 .

Reducible and irreducible pair correlations in benzene

J. Cizek, O. Sǐnanoğlu, 1967 .

Direct calculation of the Hartree–Fock interaction energy via exchange–perturbation expansion. The He … He interaction

Jiří Čížek, J. Cizek, B. Jeziorski, 1987 .

Coupled-cluster studies. I. Application to small molecules, basis set dependences

J. Cizek, E. Steinborn, P. Otto, 1985 .

On the VB adiabatic–diabatic picture of bonding in CO2+ ☆

J. Cizek, R. Polák, 2001 .

Representation theory of so(4,2) for the perturbation treatment of hydrogenic‐type hamiltonians by algebraic methods

Josef Paldus, J. Čížek, B. G. Adams, 1982 .

Symbolic computation in quantum mechanics. Several simple examples

J. Čížek, F. Vinette, J. Cizek, 1988 .

Lie Algebraic Methods and Their Applications to Simple Quantum Systems

B. G. Adams, J. Cizek, J. Paldus, 1988 .

N-dimensional hydrogen atom in an external spherically symmetric field

J. Cizek, F. Vinette, 1987 .

Inner projection with and without perturbation theory: The anharmonic oscillator revisited and the quadratic Zeeman effect in ground‐state hydrogen

E. Vrscay, J. Cizek, 1985 .

Large order perturbation theory in the context of atomic and molecular physics—interdisciplinary aspects

E. Vrscay, J. Cizek, 1982 .

An algebraic approach to bound states of simple one‐electron systems

J. Cizek, J. Paldus, 1977 .

The summation of the ordinary and renormalized perturbation series for the ground state energy of the quartic, sextic, and octic anharmonic oscillators using nonlinear sequence transformations

Ernst Joachim Weniger, F. Vinette, Jiří Čížek, 1993 .

rational approximations for the modified Bessel function of the second kind

Ernst Joachim Weniger, Jiří Čížek, J. Cizek, 1990 .

Upper and lower bounds of the ground state energy of anharmonic oscillators using renormalized inner projection

J. Čížek, F. Vinette, J. Cizek, 1991 .

Strong coupling perturbation expansions for anharmonic oscillators. Numerical results

J. Cizek, L. Skála, J. Zamastil, 1999 .

Reply to comments on `A new efficient method for calculating perturbation energies using functions which are not quadratically integrable'

J. Cizek, L. Skála, 1996 .

Quasi-Spin and the Pseudo-Orthogonal Group in the Hubbard-Model

J. Cizek, J. Paldus, M. Gould, 1994 .

Coupled Cluster Approach

Josef Paldus, J. Cizek, J. Paldus, 1980 .

Investigation of the 1E 2g− states in cyclic polyenes

J. Cizek, P. Bracken, 1995 .

Coupled-cluster approaches with an approximate account of triexcitations and the optimized-inner-projection technique. II. Coupled-cluster results for cyclic-polyene model systems

J. Cizek, P. Piecuch, J. Paldus, 1990 .

Numerical application of the coupled cluster theory with localized orbitals to polymers II. Optimal localization of Wannier functions and the correlation energy in different approximations

J. Cizek, J. Ladik, W. Förner, 1996 .

Behavior of coupled cluster energy in the strongly correlated limit of the cyclic polyene model. Comparison with the exact results

J. Cizek, P. Piecuch, J. Paldus, 1992 .

Perturbation theory and electron correlation in extended systems: Cyclic polyene model

J. Cizek, J. Paldus, M. Takahashi, 1983 .

Stability Conditions for Maximum-Overlap (Brueckner) Independent-Particle Wave Functions

J. Cizek, J. Paldus, B. Keating, 1973 .

The use of the concept of quasispin for the study of physical and chemical properties of alternant conjugated hydrocarbons

E. Vrscay, J. Cizek, R. Pauncz, 2009 .

Explicit algebraic form of coupled cluster equations for the PPP model of benzene with an approximate inclusion of triexcited clusters

Josef Paldus, J. Čížek, F. Vinette, 1990 .

Comment on the Paper by Harris and Falicov

J. Cizek, J. Paldus, 1970 .

Coupled cluster studies. III. Comparison of the numerical behaviour of coupled cluster doubles with configuration interaction and perturbation theory. Basis set and geometry optimizations

J. Cizek, W. Förner, L. Pylypow, 1986 .

The effect of the choice of parameters on the order of energy levels of benzene calculated in the π-electron approximation by the configuration interaction method including double- and triple-excited configurations

J. Cizek, J. Koutecký, J. Dubský, 1964 .

Origins of coupled cluster technique for atoms and molecules

J. Cizek, 1991 .

Full configuration interaction for the π-electronic model of benzene. I. General expressions for singlets

J. Cizek, J. Paldus, J. Vojtík, 1971 .

Full configuration interaction for the π-electronic model of benzene. II. Correlation energy and low lying singlet excitation energies

J. Cizek, J. Paldus, L. Šroubková, 1971 .

A proposal for the calculation of the correlation energy using a one‐center expansion in larger molecules

J. Cizek, J. Ladik, 1980 .

Two notes on the theory of kinetic and catalytic polarographic currents

J. Cizek, J. Koutecký, 1963 .

Numerical application of the coupled cluster theory with localized orbitals to polymers. IV. Band structure corrections in model systems and polyacetylene

Janos Ladik, Wolfgang Förner, Jiří Čížek, 1997 .

Fast and robust registration of PET and MR images of human brain

Rainer Schrader, Karl Herholz, Wolf-Dieter Heiss, 2004, NeuroImage.

Convergence of the Rayleigh‐Schrödinger perturbation expansions for the energy levels of the Pariser‐Parr‐Pople model of the benzene molecule

J. Cizek, J. Paldus, A. Pellégatti, 1974 .

Continued fractions and Rayleigh-Schrdinger perturbation theory at large order

E. Vrscay, J. Cizek, 1986 .

Correlation effects in the PPP model of alternant π‐electronic systems: two‐point Padé approximant approach

J. Cizek, J. Paldus, A. Pellégatti, 1975 .

Lower bounds for the ground state energy for the PPP and Hubbard models of the benzene molecule

J. Cizek, F. Vinette, 1988 .

Diagrammatic Approach to the Calculation of the Lower Bounds Using Optimized Inner Projection Technique. Application to the Cyclic Polyene Model

J. Cizek, J. Paldus, F. Vinette, 1989 .

Perspective on "On the correlation problern in atomic and molecular systems. Calculation of wavefunction components in UrseH-type expansion using quantum-field theoretical methods"

J. Cizek, J Cizek, 2000 .

Novel neuroimaging findings in a patient with cerebral Whipple's disease: a magnetic resonance imaging and positron emission tomography study.

J. Cizek, K. Herholz, N. Galldiks, 2004, Journal of neuroimaging : official journal of the American Society of Neuroimaging.

Fourier representation method for accurate evaluation of the Coulomb and exchange lattice sums in extended chains

J. G. Fripiat, J. Cizek, J. Delhalle, 1994 .

Relativistic Hartree-Fock Theories for Molecules and Crystals in a Linear Combination of Atomic Orbitals Form

J. Cizek, P. Mukherjee, J. Ladik, 1983 .

Localization of the filled and virtual orbitals in the nucleotide bases

J. Cizek, J. Ladik, W. Förner, 1983 .

Diagrammatical Method for Geminals. II. Applications

J. Cizek, J. Paldus, S. Sengupta, 1972 .

Numerical estimates of the convergence of the Rayleigh‐Schrödinger perturbation expansions for the energy levels of various models of the benzene molecule

J. Cizek, J. Paldus, A. Pellégatti, 1982 .

Evaluation of quantum mechanical perturbative sums in terms of quadratic surds and their use in the approximation of ζ(3)/π3

J. Cizek, P. Bracken, Jiri ?�?ek, 2002 .

Symbolic computation in physics and chemistry: Applications of the inner projection technique and of a new summation method for divergent series

Ernst Joachim Weniger, J. Čížek, F. Vinette, 1991 .

Relationship between quantum-chemical indices of reactivity of polycyclic alternant hydrocarbons

J. Cizek, R. Zahradník, J. Koutecký, 1961 .

VINCI -"Volume imaging in Neurological Research, Co-Registration and ROIs included"

Stefan Vollmar, Andreas H. Jacobs, J. Cizek, 2004 .

Brain studies--image co-registration and template creation.

J Cízek, D Janeba, J Pelikán, 2001, Nuclear medicine review. Central & Eastern Europe.

Novel Neuroimaging Findings in a Patient with Cerebral Whipple's Disease: A Magnetic Resonance Imaging and Positron Emission Tomography Study

J. Cizek, K. Herholz, N. Galldiks, 2004 .

Coupled-cluster studies. II. The role of localization in correlation calculations on extended systems

Janos Ladik, Wolfgang Förner, Jiří Čížek, 1985 .

Dimensionality dependence of total energy of closed shells in a bare Coulomb field for large atomic number

N. H. March, J. Cizek, 1988 .

Visual information processing in recently abstaining methamphetamine-dependent individuals: evoked potentials study

J. Cizek, J. Libiger, Jan Kremláček, 2008, Documenta Ophthalmologica.

A Tauberian theorem for distributions

J. Cizek, J. Jelínek, 1996 .

Glucose metabolism in distinct human midbrain nuclei and correlations with other brain regions

J. Cizek, A. Thiel, K. Herholz, 2005 .

Note on the variation step in the iteration–variation approach: Illustration on the hydrogen atom

J. Cizek, J. Delhalle, 1995 .

Mismatch negativity in methamphetamine dependence: a pilot study.

J. Cizek, J. Libiger, Jan Kremláček, 2008, Acta neurobiologiae experimentalis.

The application of inner projection technique to many electron systems as compared with the coupled cluster expansion. A study of the Pariser-Parr-Pople model of the benzene molecule

J. Cizek, F. Vinette, 1988 .