| Publication | Date of Publication | Type |
|---|
| Graphs of fixed order and size with maximal \(A_\alpha\)-index | 2023-06-26 | Paper |
| Connected graphs of fixed order and size with maximal \(A_\alpha \)-index: the one-dominating-vertex case | 2023-03-01 | Paper |
| Graphs \(G\) with nullity \(2c(G) + p(G) - 1\) | 2022-03-04 | Paper |
| On the nullity of a connected graph in terms of order and maximum degree | 2021-11-12 | Paper |
| On connected graphs of order \(n\) with girth \(g\) and nullity \(n-g\) | 2021-09-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5146245 | 2021-01-25 | Paper |
| Nullities of graphs with given order, matching number and cyclomatic number revisited | 2017-10-10 | Paper |
| Nonnegative square roots of matrices | 2016-04-18 | Paper |
| Note on the Jordan form of an irreducible eventually nonnegative matrix | 2015-10-23 | Paper |
| A characterization of graphs \(G\) with nullity \(|V(G)|-2m(G)+2c(G)\) | 2014-11-17 | Paper |
| Two cores of a nonnegative matrix | 2014-02-19 | Paper |
| On the signless Laplacian coefficients of unicyclic graphs | 2014-02-19 | Paper |
| Graphs whose adjacency matrices have rank equal to the number of distinct nonzero rows | 2014-01-21 | Paper |
| Maximal exponents of polyhedral cones (III) | 2013-09-04 | Paper |
| Connected graphs with maximal \(Q\)-index: The one-dominating-vertex case | 2011-07-13 | Paper |
| Theorems on partitioned matrices revisited and their applications to graph spectra | 2011-01-07 | Paper |
| Maximal exponents of polyhedral cones. II. | 2010-04-29 | Paper |
| Graphs with maximal signless Laplacian spectral radius | 2010-03-01 | Paper |
| On the reduced signless Laplacian spectrum of a degree maximal graph | 2010-03-01 | Paper |
| Maximal exponents of polyhedral cones. I | 2010-03-01 | Paper |
| Maximizing spectral radius of unoriented Laplacian matrix over bicyclic graphs of a given order | 2008-08-08 | Paper |
| Unoriented Laplacian maximizing graphs are degree maximal | 2008-07-10 | Paper |
| Equilibria of pairs of nonlinear maps associated with cones | 2005-04-29 | Paper |
| The Perron generalized eigenspace and the spectral cone of a cone-preserving map | 2005-01-11 | Paper |
| Strong linear preservers of symmetric doubly stochastic or doubly substochastic matrices. | 2004-03-14 | Paper |
| CP rank of completely positive matrices of order 5 | 2003-05-04 | Paper |
| Linear equations over cones and Collatz-Wielandt numbers | 2003-05-04 | Paper |
| Linear maps preserving permutation and stochastic matrices | 2002-11-17 | Paper |
| The numerical range of a nonnegative matrix | 2002-08-28 | Paper |
| A cone-theoretic approach to the spectral theory of positive linear operators: The finite-dimensional case | 2001-11-07 | Paper |
| On matrices whose numerical ranges have circular or weak circular symmetry | 2000-12-06 | Paper |
| On the invariant faces associated with a cone-preserving map | 2000-10-19 | Paper |
| On matrices with cyclic structure | 2000-10-08 | Paper |
| On the Jordan form of an irreducible matrix with eventually non-negative powers | 2000-03-21 | Paper |
| Exterior numerical radii and antiinvariant subspaces | 1999-12-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3841763 | 1999-12-03 | Paper |
| Invertibility of irreducible matrices | 1998-04-23 | Paper |
| Baer semirings and Baer \(*\)-semirings of cone-preserving maps | 1998-01-13 | Paper |
| On the Core of a Cone-Preserving Map | 1995-12-03 | Paper |
| Cross-positive matrices revisited | 1995-09-06 | Paper |
| Circularity of numerical ranges and block-shift matrices | 1995-07-20 | Paper |
| A Note on Extreme Correlation Matrices | 1995-01-17 | Paper |
| Circularity of the numerical range | 1994-08-15 | Paper |
| Predecessor property, full combinatorial column rank, and the height characteristic of an \(M\)-matrix | 1993-06-29 | Paper |
| Graphs and irreducible cone preserving maps | 1992-09-27 | Paper |
| On the structure of the cone of positive operators | 1992-07-22 | Paper |
| A study of projectionally exposed cones | 1990-01-01 | Paper |
| On the distinguished eigenvalues of a cone-preserving map | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3203161 | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3488299 | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3495480 | 1990-01-01 | Paper |
| On the Collatz-Wielandt sets associated with a cone-preserving map | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5758384 | 1989-01-01 | Paper |
| Linear operators preserving the (p,q)-numerical range | 1988-01-01 | Paper |
| On the cone of a finite dimensional compact convex set at a point | 1987-01-01 | Paper |
| Complementation in the face lattice of a proper cone | 1986-01-01 | Paper |
| A Simple proof of the Goldberg–Straus theorem on numerical radii | 1986-01-01 | Paper |
| On the duality operator of a convex cone | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3806280 | 1985-01-01 | Paper |
| A geometric Gordan-Stiemke theorem | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3800201 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3667514 | 1983-01-01 | Paper |
| On the semiring of cone preserving maps | 1981-01-01 | Paper |
| Graphs for cone preserving maps | 1981-01-01 | Paper |
| Generalized inverses of cone preserving maps | 1981-01-01 | Paper |
| A geometric treatment of generalized inverses and semigroups of nonnegative matrices | 1981-01-01 | Paper |
| On indecomposable subcones | 1978-01-01 | Paper |
| Some results of polyhedral cones and simplicial cones | 1977-01-01 | Paper |
| Some results on cross-positive matrices | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4107157 | 1976-01-01 | Paper |
| A note on cross-positive matrices | 1975-01-01 | Paper |
