| Publication | Date of Publication | Type |
|---|
| Euler type half-linear differential equation with periodic coefficients | 2019-08-16 | Paper |
| Symplectic difference systems: oscillation and spectral theory | 2019-06-05 | Paper |
| Symplectic difference systems with periodic coefficients: Krein's traffic rules for multipliers | 2018-01-31 | Paper |
| Half-linear Euler differential equation and its perturbations | 2017-11-10 | Paper |
| Relative oscillation of linear Hamiltonian differential systems | 2017-11-06 | Paper |
| Solutions of Riemann–Weber type half-linear differential equation | 2017-07-03 | Paper |
| On some aspects of the Bohl transformation for Hamiltonian and symplectic systems | 2016-12-14 | Paper |
| Generalized Prüfer angle and oscillation of half-linear differential equations | 2016-11-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5741122 | 2016-07-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2813718 | 2016-06-24 | Paper |
| Nonoscillation of higher order half-linear differential equations | 2016-05-03 | Paper |
| Focal points and recessive solutions of discrete symplectic systems | 2016-04-29 | Paper |
| Generalized Zeros and Nonpositivity of Energy Functionals Associated with Half-Linear Even-Order Difference Equations | 2016-04-14 | Paper |
| An oscillation criterion for discrete trigonometric systems | 2016-03-29 | Paper |
| De la Vallée Poussin type inequality and eigenvalue problem for generalized half-linear differential equation | 2015-09-29 | Paper |
| On the integral characterization of principal solutions for half-linear ODE | 2015-08-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5250937 | 2015-05-22 | Paper |
| Oscillation and non-oscillation of Euler type half-linear differential equations | 2015-05-22 | Paper |
| Discrete oscillation theorems and weighted focal points for Hamiltonian difference systems with nonlinear dependence on a spectral parameter | 2015-05-15 | Paper |
| Two-Term Perturbations in Half-Linear Oscillation Theory | 2015-05-07 | Paper |
| Eighty fifth anniversary of birthday and scientific legacy of Professor Miloš Ráb | 2015-04-13 | Paper |
| Singular Sturmian theory for linear Hamiltonian differential systems | 2015-03-31 | Paper |
| Oscillation constants for second-order ordinary differential equations related to elliptic equations with \(p\)-Laplacian | 2014-12-03 | Paper |
| Variational method and conjugacy criteria for half-linear differential equations | 2014-07-25 | Paper |
| Conditional oscillation and principal solution of generalized half-linear differential equation | 2014-07-21 | Paper |
| Singular comparison theorems for discrete symplectic systems | 2014-07-18 | Paper |
| Half-linear eigenvalue problem: limit behavior of the first eigenvalue for shrinking interval | 2014-07-18 | Paper |
| Oscillation and conjugacy criteria for two-dimensional symplectic difference systems | 2013-07-25 | Paper |
| Power comparison theorems in half-linear oscillation theory | 2013-04-22 | Paper |
| Perturbations of half-linear Euler differential equation and transformations of modified Riccati equation | 2012-12-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3165138 | 2012-10-25 | Paper |
| Oscillation criterion for half-linear differential equations with periodic coefficients | 2012-07-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3097420 | 2011-11-16 | Paper |
| Critical oscillation constant for half-linear differential equations with periodic coefficients | 2011-10-25 | Paper |
| Critical higher order Sturm–Liouville difference operators | 2011-10-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3007393 | 2011-06-21 | Paper |
| Summation characterization of the recessive solution for half-linear difference equations | 2011-05-19 | Paper |
| Generalized zeros of \(2\times 2\) symplectic difference system and of its reciprocal system | 2011-05-19 | Paper |
| Two-parametric conditionally oscillatory half-linear differential equations | 2011-05-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2995060 | 2011-04-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3081741 | 2011-03-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3081742 | 2011-03-09 | Paper |
| Variational technique and principal solution in half-linear oscillation criteria | 2011-03-08 | Paper |
| Nonprincipal solutions in oscillation criteria for half-linear differential equations | 2011-02-25 | Paper |
| Rofe-Beketov's formula on time scales | 2011-02-13 | Paper |
| The ratio of eigenvalues of the Dirichlet eigenvalue problem for equations with one-dimensional \(p\)-Laplacian | 2011-02-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3074252 | 2011-02-07 | Paper |
| Half-linear oscillation criteria: perturbation in term involving derivative | 2010-11-19 | Paper |
| A remark on an oscillation constant in the half-linear oscillation theory | 2010-08-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3580740 | 2010-08-13 | Paper |
| Oscillation and spectral theory for symplectic difference systems with separated boundary conditions | 2010-07-07 | Paper |
| Bargmann-type inequality for half-linear differential operators | 2010-04-07 | Paper |
| A remark on focal points of recessive solutions of discrete symplectic systems | 2009-12-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3398803 | 2009-09-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3392725 | 2009-08-17 | Paper |
| Nonprincipal solutions of half-linear second order differential equations | 2009-07-10 | Paper |
| Sturmian and spectral theory for discrete symplectic systems | 2009-05-27 | Paper |
| Friedrichs extension of operators defined by symmetric banded matrices | 2009-04-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3542435 | 2008-12-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3539828 | 2008-11-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3531303 | 2008-10-22 | Paper |
| Conditionally oscillatory half-linear differential equations | 2008-10-21 | Paper |
| Linearized Riccati technique and (non-)oscillation criteria for half-linear difference equations | 2008-08-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3509115 | 2008-07-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5441988 | 2008-02-15 | Paper |
| Even-order linear dynamic equations with mixed derivatives | 2007-11-02 | Paper |
| Half-linear differential equations: linearization technique and its application | 2007-08-20 | Paper |
| Oscillation theorems for symplectic difference systems | 2007-07-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3435434 | 2007-04-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3435446 | 2007-04-26 | Paper |
| Oscillation and nonoscillation criteria for half-linear second order differential equations | 2007-04-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3424086 | 2007-02-15 | Paper |
| A Sturmian separation theorem for symplectic difference systems | 2006-12-07 | Paper |
| Perturbations of the half-linear Euler --- Weber type differential equation | 2006-11-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4680136 | 2006-10-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5487025 | 2006-09-18 | Paper |
| A linearization method in oscillation theory of half-linear second-order differential equations | 2006-08-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5475671 | 2006-06-27 | Paper |
| Methods of oscillation theory of half-linear second order differential equations | 2006-02-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3368483 | 2006-01-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5703731 | 2005-11-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5466246 | 2005-08-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3023383 | 2005-07-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3024423 | 2005-07-01 | Paper |
| Nonexistence of positive solutions of PDE's with \(p\)-Laplacian | 2005-06-22 | Paper |
| Symplectic difference systems: oscillation theory and hyperbolic Prüfer transformation | 2005-04-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4664447 | 2005-04-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4829159 | 2004-11-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4825867 | 2004-11-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4822335 | 2004-10-25 | Paper |
| Oscillation of symplectic dynamic systems | 2004-10-05 | Paper |
| An oscillation theorem for discrete eigenvalue problems | 2004-10-01 | Paper |
| Linear Hamiltonian dynamic systems on time scales: Sturmian property of the principal solution. | 2004-08-26 | Paper |
| A class of Sturm-Liouville difference equations: (Non)oscillation constants and property BD | 2004-08-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4461654 | 2004-05-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4801692 | 2004-03-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4454783 | 2004-03-08 | Paper |
| POSITIVE SEMIDEFINITENESS OF DISCRETE QUADRATIC FUNCTIONALS | 2004-01-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4444858 | 2004-01-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4436348 | 2003-12-04 | Paper |
| Nonnegativity of discrete quadratic functionals corresponding to symplectic difference systems. | 2003-12-04 | Paper |
| Forced oscillation of second order linear and half-linear difference equations | 2003-05-14 | Paper |
| Oscillation and Nonoscillation of Higher Order Self-Adjoint Differential Equations | 2003-03-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4785591 | 2003-01-05 | Paper |
| Qualitative theory of half-linear second order differential equations | 2002-12-09 | Paper |
| Quadratic functionals with general bounday conditions | 2002-11-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2784674 | 2002-09-22 | Paper |
| Disconjugacy, transformations and quadratic functionals for symplectic dynamic systems on time scales | 2002-07-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2751629 | 2002-07-10 | Paper |
| A necessary and sufficient condition for oscillation of the Sturm-Liouville dynamic equation on time scales | 2002-06-24 | Paper |
| Nonoscillation criteria for half-linear second-order difference equations | 2002-06-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4530292 | 2002-06-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2770145 | 2002-04-14 | Paper |
| INTEGRAL CHARACTERIZATION OF THE PRINCIPAL SOLUTION O HALF-LINEAR SECOND ORDER DIF ERENTIAL EQUATIONS | 2001-11-05 | Paper |
| The discrete Prüfer transformation | 2001-06-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4504449 | 2001-05-16 | Paper |
| Trigonometric transformations of symplectic difference systems | 2001-03-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4510661 | 2001-03-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4513248 | 2001-03-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4523128 | 2001-01-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4940908 | 2000-10-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4940914 | 2000-10-12 | Paper |
| Disconjugacy and disfocality criteria for second order singular half-linear differential equations | 2000-07-27 | Paper |
| Factorization of disconjugate higher-order Sturm-Liouville difference operators | 2000-01-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4374771 | 1999-12-13 | Paper |
| A Sturmian theorem for recessive solutions of linear Hamiltonian difference systems | 1999-11-25 | Paper |
| Sixty years of professor František Neuman | 1999-11-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4263757 | 1999-09-22 | Paper |
| Oscillation criteria for half-linear second order differential equations | 1999-09-16 | Paper |
| Inequalities and asymptotics for Riccati matrix difference operators | 1999-06-21 | Paper |
| Positivity of Block Tridiagonal Matrices | 1999-05-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4208432 | 1999-04-07 | Paper |
| Oscillation criteria for higher order sturm–liouville difference equations* | 1999-03-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4231537 | 1999-03-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4209973 | 1998-09-28 | Paper |
| A remark on polyconvex envelopes of radially symmetric functions in dimension \(2\times 2\) | 1998-09-28 | Paper |
| Disconjugacy and transformations for symplectic systems | 1998-08-10 | Paper |
| Oscillation and spectral properties of self-adjoint differential operators | 1998-07-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4381439 | 1998-07-08 | Paper |
| Oscillation and Spectral Properties of a Class of Singular Self-Adjoint Differential Operators | 1998-06-29 | Paper |
| Spectral properties of fourth order differential operators | 1998-05-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4862263 | 1996-07-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4852548 | 1996-05-30 | Paper |
| Transformations of linear Hamiltonian difference systems and some of their applications | 1996-02-20 | Paper |
| Oscillation Criteria for Self-Adjoint Linear Differential Equations | 1995-09-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4837921 | 1995-07-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4862251 | 1995-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4313258 | 1994-11-14 | Paper |
| Nehari-type oscillation criteria for selfadjoint linear differential equations | 1994-11-07 | Paper |
| Conjugacy criteria for second order differential equations | 1994-03-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3138120 | 1993-10-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4018744 | 1993-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4019628 | 1993-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4013458 | 1992-09-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3989725 | 1992-06-28 | Paper |
| Oscillation criteria and the discreteness of the spectrum of self-adjoint, even order, differential operators | 1992-06-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3977669 | 1992-06-25 | Paper |
| On oscillation criteria for self-adjoint linear differential equation of the fourth order | 1990-01-01 | Paper |
| On transformations of self-adjoint linear differential systems and their reciprocals | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4735415 | 1989-01-01 | Paper |
| Existence of conjugate points for self-adjoint linear differential equations | 1989-01-01 | Paper |
| On conjugate points of solutions of non-selfadjoint differential systems | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3824697 | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3767665 | 1987-01-01 | Paper |
| Second phase matrix of differential systems $Y'+P(x)Y=0$ | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3778294 | 1987-01-01 | Paper |
| On some properties of trigonometric matrices | 1987-01-01 | Paper |
| Phase matrix of linear differential systems | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3701780 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3712634 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3726536 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3898775 | 1980-01-01 | Paper |