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Joachim Weniger
Joachim Weniger
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Zweryfikowany adres z chemie.uni-regensburg.de
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Nonlinear sequence transformations for the acceleration of convergence and the summation of divergent series
EJ Weniger
Computer Physics Reports 10 (5-6), 189-371, 1989
5031989
The Fourier transforms of some exponential‐type basis functions and their relevance to multicenter problems
EJ Weniger, EO Steinborn
The Journal of Chemical Physics 78 (10), 6121-6132, 1983
1901983
Weakly convergent expansions of a plane wave and their use in Fourier integrals
EJ Weniger
Journal of mathematical physics 26 (2), 276-291, 1985
1581985
A convergent renormalized strong coupling perturbation expansion for the ground state energy of the quartic, sextic, and octic anharmonic oscillator
EJ Weniger
Annals of Physics 246 (1), 133-165, 1996
1371996
Construction of the strong coupling expansion for the ground state energy of the quartic, sextic, and octic anharmonic oscillator via a renormalized strong coupling expansion
EJ Weniger
Physical review letters 77 (14), 2859, 1996
1361996
Programs for the coupling of spherical harmonics
EJ Weniger, EO Steinborn
Computer Physics Communications 25 (2), 149-157, 1982
1311982
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 …
EJ Weniger, J Čížek, F Vinette
Journal of mathematical physics 34 (2), 571-609, 1993
1291993
Numerical properties of the convolution theorems of B functions
EJ Weniger, EO Steinborn
Physical Review A 28 (4), 2026, 1983
1221983
Unified analytical treatment of overlap, two-center nuclear attraction, and Coulomb integrals of B functions via the Fourier-transform method
EJ Weniger, J Grotendorst, EO Steinborn
Physical Review A 33 (6), 3688, 1986
1201986
Numerical evidence that the perturbation expansion for a non-Hermitian -symmetric Hamiltonian is Stieltjes
CM Bender, EJ Weniger
Journal of Mathematical Physics 42 (5), 2167-2183, 2001
852001
Efficient evaluation of infinite-series representations for overlap, two-center nuclear attraction, and Coulomb integrals using nonlinear convergence accelerators
J Grotendorst, EJ Weniger, EO Steinborn
Physical Review A 33 (6), 3706, 1986
831986
Convergence acceleration via combined nonlinear-condensation transformations
UD Jentschura, PJ Mohr, G Soff, EJ Weniger
Computer physics communications 116 (1), 28-54, 1999
731999
Very accurate summation for the infinite coupling limit of the perturbation series expansions of anharmonic oscillators
EJ Weniger, J Čížek, F Vinette
Physics Letters A 156 (3-4), 169-174, 1991
631991
On the derivation of iterated sequence transformations for the acceleration of convergence and the summation of divergent series
EJ Weniger
Computer physics communications 64 (1), 19-45, 1991
611991
Rational approximations for the modified Bessel function of the second kind
EJ Weniger, J Cížek
Computer physics communications 59 (3), 471-493, 1990
601990
Addition theorems for B functions and other exponentially declining functions
EJ Weniger, EO Steinborn
Journal of mathematical physics 30 (4), 774-784, 1989
581989
Resummation of QED perturbation series by sequence transformations and the prediction of perturbative coefficients
UD Jentschura, J Becher, EJ Weniger, G Soff
Physical Review Letters 85 (12), 2446, 2000
522000
Mathematical properties of a new Levin-type sequence transformation introduced by Čı́žek, Zamastil, and Skála. I. Algebraic theory
EJ Weniger
Journal of mathematical physics 45 (3), 1209-1246, 2004
502004
Effective characteristic polynomials and two-point Padé approximants as summation techniques for the strongly divergent perturbation expansions of the ground state energies of …
J Čížek, EJ Weniger, P Bracken, V Špirko
Physical Review E 53 (3), 2925, 1996
501996
Nonlinear sequence transformations: A computational tool for quantum mechanical and quantum chemical calculations
EJ Weniger
International journal of quantum chemistry 57 (3), 265-280, 1996
49*1996
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