| Publication | Date of Publication | Type |
|---|
| Analytic solutions of delay-differential equations | 2024-03-14 | Paper |
| Hidden positivity and a new approach to numerical computation of Hausdorff dimension: higher order methods | 2022-08-23 | Paper |
| Asymptotic homogenization for delay-differential equations and a question of analyticity | 2020-03-30 | Paper |
| Intricate structure of the analyticity set for solutions of a class of integral equations | 2019-08-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4623270 | 2019-02-14 | Paper |
| Felix Browder (1927-2016) | 2019-01-31 | Paper |
| A new approach to numerical computation of Hausdorff dimension of iterated function systems: applications to complex continued fractions | 2018-10-26 | Paper |
| Denjoy-Wolff theorems for Hilbert's and Thompson's metric spaces | 2018-10-02 | Paper |
| \(C^m\) eigenfunctions of Perron-Frobenius operators and a new approach to numerical computation of Hausdorff dimension: applications in \(\mathbb R^1\) | 2018-08-10 | Paper |
| Detecting fixed points of nonexpansive maps by illuminating the unit ball | 2018-06-29 | Paper |
| Gevrey class regularity for analytic differential-delay equations | 2017-11-10 | Paper |
| \(C^m\) positive eigenvectors for linear operators arising in the computation of Hausdorff dimension | 2016-04-29 | Paper |
| Uniqueness of the fixed point of nonexpansive semidifferentiable maps | 2016-03-29 | Paper |
| C^m Eigenfunctions of Perron-Frobenius Operators and a New Approach to Numerical Computation of Hausdorff Dimension | 2016-01-25 | Paper |
| Analyticity and Nonanalyticity of Solutions of Delay-Differential Equations | 2014-11-04 | Paper |
| Denjoy-Wolff theorems for Hilbert's and Thompson's metric spaces | 2014-10-04 | Paper |
| Tensor products, positive linear operators, and delay-differential equations | 2014-03-17 | Paper |
| Continuity of the cone spectral radius | 2013-07-05 | Paper |
| Birkhoff's version of Hilbert's metric and its applications in analysis | 2013-04-30 | Paper |
| Nonlinear Perron–Frobenius Theory | 2012-05-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5389692 | 2012-04-23 | Paper |
| Positive operators and Hausdorff dimension of invariant sets | 2012-02-24 | Paper |
| A Collatz-Wielandt characterization of the spectral radius of order-preserving homogeneous maps on cones | 2011-12-27 | Paper |
| Inequivalent measures of noncompactness | 2011-10-25 | Paper |
| Superstability and rigorous asymptotics in singularly perturbed state-dependent delay-differential equations | 2011-04-08 | Paper |
| Stability of periodic solutions of state-dependent delay-differential equations | 2011-04-08 | Paper |
| Inequivalent measures of noncompactness and the radius of the essential spectrum | 2011-03-28 | Paper |
| Generalizing the Kreĭn-Rutman theorem, measures of noncompactness and the fixed point index | 2011-02-18 | Paper |
| Asymptotic fixed point theory and the beer barrel theorem | 2009-09-18 | Paper |
| Denjoy-Wolff theorems, Hilbert metric nonexpansive maps and reproduction-decimation operators | 2008-05-19 | Paper |
| Fixed point theorems and Denjoy-Wolff theorems for Hilbert's projective metric in infinite dimensions | 2008-02-05 | Paper |
| Global stability, two conjectures and Maple | 2007-02-19 | Paper |
| Iterated linear maps on a cone and Denjoy-Wolff theorems | 2006-07-20 | Paper |
| Iteration of order preserving subhomogeneous maps on a cone | 2006-03-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4821384 | 2004-10-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4440654 | 2004-01-06 | Paper |
| Asymptotic estimates for the periods of periodic points of non-expansive maps | 2003-12-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4550342 | 2003-09-08 | Paper |
| Extension of order-preserving maps on a cone | 2003-07-13 | Paper |
| Notes on the Second Eigenvalue of the Google Matrix | 2003-07-03 | Paper |
| A basis theorem for a class of max-plus eigenproblems. | 2003-05-25 | Paper |
| Boundary layer phenomena for differential-delay equations with state-dependent time lags: III. | 2003-05-25 | Paper |
| Eigenvalues for a class of homogeneous cone maps arising from max-plus operators | 2003-03-27 | Paper |
| Nonexpansive periodic operators in \(\ell_1\) with application to superhigh-frequency oscillations in a discontinuous dynamical system with time delay | 2003-02-02 | Paper |
| Dynamics of a quadratic map in two complex variables | 2002-11-03 | Paper |
| Lower and upper bounds for \(\omega\)-limit sets of nonexpansive maps | 2002-06-23 | Paper |
| Periodic points of positive linear operators and Perron-Frobenius operators | 2002-06-18 | Paper |
| Existence, uniqueness and analyticity for periodic solutions of a nonlinear convolution equation | 2002-01-01 | Paper |
| Eigenvectors of Order-Preserving Linear Operators | 2001-09-16 | Paper |
| Admissible Arrays and a Nonlinear Generalization of Perron-Frobenius Theory | 1999-11-25 | Paper |
| Periodic points of nonexpansive maps and nonlinear generalizations of the Perron-Frobenius theory | 1999-10-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4395220 | 1999-09-29 | Paper |
| Generalizations of the Perron-Frobenius theorem for nonlinear maps | 1999-05-24 | Paper |
| Entropy minimization, Hilbert's projective metric, and scaling integral kernels | 1998-09-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4336960 | 1998-08-02 | Paper |
| Approximation by polynomials with nonnegative coefficients and the spectral theory of positive operators | 1998-03-30 | Paper |
| Boundary layer phenomena for differential-delay equations with state dependent time lags: II. | 1997-01-22 | Paper |
| An elementary proof of the Birkhoff-Hopf theorem | 1996-04-01 | Paper |
| Applications of the Birkhoff–Hopf theorem to the spectral theory of positive linear operators | 1996-04-01 | Paper |
| On variational principles for the generalized principal eigenvalue of second order elliptic operators and some applications | 1995-07-10 | Paper |
| Entropy minimization, \(DAD\) problems, and doubly stochastic kernels | 1995-07-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3140333 | 1995-06-25 | Paper |
| Periodic solutions for functional differential equations with multiple state-dependent time lags | 1994-10-18 | Paper |
| Lattice isomorphisms and iterates of nonexpansive maps | 1994-08-15 | Paper |
| Finsler structures for the part metric and Hilbert's projective metric and applications to ordinary differential equations | 1994-06-29 | Paper |
| Multiple transition layers in a singularly perturbed differential-delay equation | 1994-06-19 | Paper |
| A limit set trichotomy for self-mappings of normal cones in banach spaces | 1993-08-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4026298 | 1993-02-21 | Paper |
| Boundary layer phenomena for differential-delay equations with state- dependent time lags. I | 1992-12-14 | Paper |
| Estimates of the periodic points for nonexpansive operators | 1992-12-09 | Paper |
| Convergence of iterates of a nonlinear operator arising in statistical mechanics | 1992-06-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4710664 | 1992-06-25 | Paper |
| Omega limit sets of nonexpansive maps: Finiteness and cardinality estimates | 1992-06-25 | Paper |
| Some remarks on differential equations of quadratic type | 1992-06-25 | Paper |
| Convexity properties of generalizations of the arithmetic-geometric mean | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4734347 | 1990-01-01 | Paper |
| Some Nonlinear Weak Ergodic Theorems | 1990-01-01 | Paper |
| Wright's equation has no solutions of period four | 1989-01-01 | Paper |
| Iterated nonlinear maps and Hilbert’s projective metric. II | 1989-01-01 | Paper |
| A Differential-Delay Equation Arising in Optics and Physiology | 1989-01-01 | Paper |
| Hilbert’s projective metric and iterated nonlinear maps | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3785460 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3810999 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4727482 | 1986-01-01 | Paper |
| Convexity and log convexity for the spectral radius | 1986-01-01 | Paper |
| Global continuation and asymptotic behaviour for periodic solutions of a differential-delay equation | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3756614 | 1986-01-01 | Paper |
| Arithmetic-geometric means of positive matrices | 1986-01-01 | Paper |
| Circulant matrices and differential-delay equations | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3679776 | 1985-01-01 | Paper |
| Uniqueness and nonuniqueness for positive radial solutions of Δu + f(u, r) = 0 | 1985-01-01 | Paper |
| Positive operators and elliptic eigenvalue problems | 1984-01-01 | Paper |
| Asymptotic estimates for the periods of periodic solutions of a differential-delay equation | 1984-01-01 | Paper |
| A folk theorem in the spectral theory of \(C_ 0\)-semigroups | 1984-01-01 | Paper |
| Special and spurious solutions of 𝑥(𝑡)=-𝛼𝑓(𝑥(𝑡-1)) | 1984-01-01 | Paper |
| Some remarks on a conjecture in parameter adaptive control | 1983-01-01 | Paper |
| Asymptotic analysis of functional differential equations and solutions of long period | 1983-01-01 | Paper |
| Quasinormal cones in Banach spaces | 1983-01-01 | Paper |
| Cyclic differential equations and period three solutions of differential- delay equations | 1982-01-01 | Paper |
| A priori estimates and existence of positive solutions of semilinear elliptic equations | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3331577 | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3933429 | 1981-01-01 | Paper |
| A nonlinear integral equation | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3951115 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3857186 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3901965 | 1980-01-01 | Paper |
| Uniqueness and nonuniqueness of periodic solutions of x'(t)= -g(x(t-1)) | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3892609 | 1979-01-01 | Paper |
| Differential-delay equations with two time lags | 1978-01-01 | Paper |
| A Periodicity Threshold Theorem for Some Nonlinear Integral Equations | 1978-01-01 | Paper |
| A Hopf Global Bifurcation Theorem for Retarded Functional Differential Equations | 1978-01-01 | Paper |
| Periodic solutions of special differential equations: an example in non-linear functional analysis | 1978-01-01 | Paper |
| The range of periods of periodic solutions of \(x'(t)=-\alpha f(x(t-1))\) | 1977-01-01 | Paper |
| Generalizing the fixed point index | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3324449 | 1977-01-01 | Paper |
| Some Generalizations of the Borsuk-Ulam Theorem | 1977-01-01 | Paper |
| Global bifurcation of periodic solutions of some autonomous functional differential equations | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4108652 | 1976-01-01 | Paper |
| A Singular Bifurcation Problem | 1976-01-01 | Paper |
| Positive solutions of nonlinear elliptic boundary value problems | 1975-01-01 | Paper |
| A global bifurcation theorem with applications to functional differential equations | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4075903 | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4104274 | 1975-01-01 | Paper |
| On the uniqueness of the topological degree for k-set-contractions | 1974-01-01 | Paper |
| A correction of 'Periodic solutions of some nonlinear, autonomous functional differential equations. II' | 1974-01-01 | Paper |
| Periodic solutions of some nonlinear autonomous functional differential equations | 1974-01-01 | Paper |
| Periodic solutions of analytic functional differential equations are analytic | 1973-01-01 | Paper |
| Periodic solutions of some nonlinear, autonomous functional differential equations. II | 1973-01-01 | Paper |
| Periodic solutions of autonomous functional differential equations | 1973-01-01 | Paper |
| Some Asymptotic Fixed Point Theorems | 1972-01-01 | Paper |
| Degree theory for local condensing maps | 1972-01-01 | Paper |
| Existence and uniqueness theorems for some functional differential equations of neutral type | 1972-01-01 | Paper |
| Some fixed point theorems | 1971-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5631598 | 1971-01-01 | Paper |
| Estimates for the number of solutions of operator equations | 1971-01-01 | Paper |
| Asymptotic fixed point theorems for local condensing maps | 1971-01-01 | Paper |
| A generalization of the Ascoli theorem and an application to functional differential equations | 1971-01-01 | Paper |
| The fixed point index for local condensing maps | 1971-01-01 | Paper |
| A geometric approach to the fixed point index | 1971-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5584883 | 1970-01-01 | Paper |
| Spectral Mapping Theorems and Perturbation Theorems for Browder's Essential Spectrum | 1970-01-01 | Paper |
| The radius of the essential spectrum | 1970-01-01 | Paper |
| The fixed point index and asymptotic fixed point theorems for $k$-set-contractions | 1969-01-01 | Paper |
| The topological degree for noncompact nonlinear mappings in Banach spaces | 1968-01-01 | Paper |
