15. 4. 2004:
dalsi posledni: dvakrat vic Combese
6. 4. 2004:
druhy postposledni: Jacobi and semiboundedness
6. 4. 2004:
postposledni: Jacobi and Levinson
27. 10. 2003:
posledni, a o mne
27. 10. 2003:
Newton spatne
27. 10. 2003:
Pauli QES
12. 9. 2003:
delta by smooth - strong resolven conv.
12. 9. 2003:
iterations for much less than third eigenvalues (generalized)
12. 9. 2003:
N-body QES gr. st. sol.
12. 9. 2003:
appr. sol. a la Bogolyubov
31. 7. 2003:
graded manifolds and var. principles
31. 7. 2003:
integrable systems - re-telling the story
31. 7. 2003:
the best approximant for a given matrix - formulae
31. 7. 2003:
simultaneous closeness
of the lower and upper eigenvalue estimates
7. 7. 2003:
re-construct Jacobi matrix from its off-diagonal Green function element
7. 7. 2003:
OK, completeness, but what if there is a strong singularity inside?
7. 7. 2003:
matrix ord. dif. eqs. conserving spectrum
(appl. to inv. eigv. problem)
7. 7. 2003:
take trace and norm, get both bounds for eigenvalues
30. 5. 2003:
expand in eigenstates of nelin. Sturm Liouville
29. 5. 2003:
elliptic Calogero-Sutherland is QES
28. 5. 2003:
change of variables in Sturm Liouville if nonlinear
5. 5. 2003:
epsilon spectrum
5. 5. 2003:
inverse iterations globally
5. 5. 2003:
pencil, inverse-free
5. 5. 2003:
non-symmetric Jacobi-Davidson
24. 3. 2003:
M functions for 2n-th Schroedingerlikes
4. 3. 2003:
Strichartz for non-smooth Schroedingers
27. 2. 2003:
Dirac spectrum
3. 2. 2003:
proof of optimality of estimates
(for singular cont. spectra)
using pasted periodic examples V
8. 1. 2003:
proof of absol. cont. spectra for periodic V and x-dependent m(x) in 2 dim.
8. 1. 2003:
proof of Anderson localization
2. 12. 2002:
string with frequency-dependent friction, matricized
20. 11. 2002:
decay estimate
1. 11. 2002:
inverse eigenvalue problem I
(bi-antisym. A) and II (same as approx.)
30. 10. 2002:
Markov and
existence of Green
14. 10. 2002:
unitary Hessenberg = cubic conv. of QR
7. 10. 2002:
iterations with
triangular-matrix
(even-up, odd=down) pre-conditioning
27. 9. 2002:
pseudospektra
27. 9. 2002:
Dirichlet and Neumann ground-state estimates, bothsided
5. 9. 2002:
chybejici Kreinuv dukaz (boundedness for periodic) for ground-state estimates
22. 8. 2002:
Exnerova hluboka delta smycka (s Yoshitomim)
21. 8. 2002:
Double well V via instantons
21. 8. 2002:
V of M(any) exp i x
5. 7. 2002:
Newton method and happy birthday to T. Y.
5. 7. 2002:
Cr. and annih. of many bosons and fermions
in superfluidity
2. 7. 2002:
Cr. and annih. of two bosons
in PT SUSY
2. 7. 2002:
Solvable Heiseberg once more, the dipole's sin phi
via cr. and annih. of two bosons
21. 5. 2002:
Solve Heiseberg!
20. 5. 2002:
Escape of particles - lower estimates
20. 5. 2002:
see 13. 5., part II
13. 5. 2002:
The (biorthogonal) series (convergence)
compared with the trigonometric (Fourier)
for a
differential operator (of 2n-th order) (giving
'generalized sinuses')
7. 5. 2002:
Laplace, but b.c. = superp. of derivatives at a rational set
6. 5. 2002:
From Hilbert to Krein and return (the Sturm Liouvillean case)
6. 5. 2002:
Decadic oscillator spectrum lattice.
22. 4. 2002:
Singular-continuous spectra and
Weyl-Titchmarsh
m-function
inequalities
(using subordinacy a la Gilbert-Pearson)
16. 3. 2002:
m-dimensional quasi-Dirac bound states in pseudo-exponential matrix potentials
19. 2. 2002:
Computation method SER (subspace iterations, degeneracy friendly)
12. 2. 2002:
Computational physics (plus biology) textbook
19. 12.:
All matrix roots of a matrix polynomial (by deflation)
18. 12.:
So called oscillatory (= a root of totally positive) matrix from its spectrum
18. 12.:
Necessary and sufficient inequalities between eigenvalues and singular values,
for real matrices in particular
3. 12.:
Low-rank approximations with and without column-wise partitioning.
3. 12.:
Bad Cholesky, Newton-improved. When and how.
3. 12.:
Conv. theorems for parallelized iterative method.
3. 12.:
Book on stochastic, circulant and Bell's (=formal-series) matrices
[in the second case, cf.
M. Znojil,
Circular vectors and toroidal matrices,
Rendiconti del Circolo Matematico di Palermo Serie II -
Suppl. 39 (1996) 143-8]
13. 11.:
NLS wave propagation (solvable semi-classical ZS)
7. 11.:
Green's functions for shock waves
2. 11.:
NLS, discretized
15. 10.:
Non-Hermitian Zakharov Shabat: asymptotical eigenvalues
21. 8.:
ODE: block-Toeplitz preconditioning
21. 8.:
tridiagonalization: stability through incompleteness
21. 8.:
two-parameteric pencils homotopically
21. 8.:
silicon via density functional
2. 7.:
superfeynman weylovsko fujiwarovsky
14. 5.:
Marcelo's marvelous book on pert. th.
14. 5.:
new proof for
Hill's asymptotic eigenvalues
(no smoothness of V(x) required)
14. 5.:
Darboux made n-dimensional, gives
singularities only on hyperplanes.
28. 3.:
they adapt telescope mirrors to atmospheric turbulences
28. 3.:
we minimize traces
28. 3.:
upper bounds for the perturbative turn of subspace
28. 3.:
soft billiard and section method
28. 3.:
selfsimilar everything
26. 3.:
tokamak stability parallelized
15. 2.:
matrix compression avoiding SVD - Lanczos modon
15. 2.:
search for generalized perigeum
15. 2.:
exporatory data analysis (Lasso)
14. 2.:
sparse and indefinite system
26. 1.:
Kato and Rellich for the Banach-space-many couplings
15. 1.:
Complex symmetric matrices: Hankel (and Lanczos)
4. 1.:
Lombardovo další vylepšování marešovských nerovností.
3. 1.:
Ito and Monte Carlo for square well.
3. 1.:
Renormalized strong coupling series (numerically)
11. 12.:
Jordan form algorithm (plus Weierstrass for pencils)
11. 12.:
Non-Hermitian in a basis can have an ill-conditioned eigenvalue problem
11. 12.:
Stable deflation of eigenpairs from a pencil
11. 12.:
Arnoldi method: using the redundant last Krylov state
19.11.:
Newton method: minimal Toeplitz eigenvalue
18.11.:
Stable method: polygon from moments
17.11.:
Improved algorithm on singular values.
16.11.:
a textbook on mathematical methods.