| Publication | Date of Publication | Type |
|---|
| Cordial Digraphs | 2022-12-09 | Paper |
| Connectivity and extendability in digraphs | 2022-10-22 | Paper |
| Minimum-rank and maximum-nullity of graphs and their linear preservers | 2022-05-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5028509 | 2022-02-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5855387 | 2021-03-18 | Paper |
| (2,3)-Cordial Oriented Hypercubes | 2020-12-20 | Paper |
| (2,3) Cordial Trees and Paths | 2020-12-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5133655 | 2020-11-10 | Paper |
| Genus of a graph and its strong preservers | 2020-09-23 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3305806 | 2020-08-12 | Paper |
| $(0,1)$-matrices, discrepancy and preservers | 2019-12-18 | Paper |
| STRONG PRESERVERS OF SYMMETRIC ARCTIC RANK OF NONNEGATIVE REAL MATRICES | 2019-12-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5224829 | 2019-07-24 | Paper |
| Preservers of completely positive matrix rank for inclines | 2019-06-17 | Paper |
| Possible isolation number of a matrix over nonnegative integers | 2019-03-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4559880 | 2018-12-04 | Paper |
| Symmetric arctic ranks of nonnegative matrices and their linear preservers | 2018-02-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5283185 | 2017-07-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5267497 | 2017-06-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2971231 | 2017-04-04 | Paper |
| Primitive symmetric matrices and their preservers | 2017-02-20 | Paper |
| Zero-term rank and zero-star cover number of symmetric matrices and their linear preservers | 2017-01-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3178791 | 2016-12-20 | Paper |
| Preservers of term ranks and star cover numbers of symmetric matrices | 2016-10-10 | Paper |
| Preservers of completely positive matrix rank | 2016-07-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2799863 | 2016-04-13 | Paper |
| Primitive exponent preservers | 2016-02-12 | Paper |
| Characterizations of Zero-Term Rank Preservers of Matrices over Semirings | 2015-06-22 | Paper |
| LINEAR PRESERVERS OF BOOLEAN RANK BETWEEN DIFFERENT MATRIX SPACES | 2015-05-22 | Paper |
| The arctic rank of a Boolean matrix | 2015-05-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4982209 | 2015-03-24 | Paper |
| Linear operators that preserve graphical properties of matrices: Isolation numbers | 2015-01-27 | Paper |
| CHARACTERIZATIONS OF BOOLEAN RANK PRESERVERS OVER BOOLEAN MATRICES | 2014-08-28 | Paper |
| Linear operators that preserve term ranks of matrices over semirings | 2014-08-25 | Paper |
| LINEAR OPERATORS THAT PRESERVE SETS OF PRIMITIVE MATRICES | 2014-08-25 | Paper |
| NONNEGATIVE INTEGRAL MATRICES HAVING GENERALIZED INVERSES | 2014-06-06 | Paper |
| \(k\)-primitivity of digraphs | 2014-04-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5405512 | 2014-04-02 | Paper |
| A comparison of term ranks of symmetric matrices and their preservers | 2014-01-21 | Paper |
| EXTREME PRESERVERS OF TERM RANK INEQUALITIES OVER NONBINARY BOOLEAN SEMIRING | 2014-01-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2866573 | 2013-12-13 | Paper |
| Linear operators that preserve Boolean rank of Boolean matrices | 2013-12-06 | Paper |
| LINEAR TRANSFORMATIONS THAT PRESERVE TERM RANK BETWEEN DIFFERENT MATRIX SPACES | 2013-04-29 | Paper |
| Isolation number versus Boolean rank | 2012-05-14 | Paper |
| Linear preservers of term ranks of matrices over semirings | 2012-04-19 | Paper |
| Preservers of term ranks of symmetric matrices | 2012-03-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3110136 | 2012-01-26 | Paper |
| Cycle extendability in graphs and digraphs | 2011-07-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3086640 | 2011-03-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3581913 | 2010-09-02 | Paper |
| A q-ANALOGUE OF THE GENERALIZED FACTORIAL NUMBERS | 2010-05-26 | Paper |
| Extending partial tournaments | 2010-05-08 | Paper |
| Real rank versus nonnegative rank | 2009-11-23 | Paper |
| Preserving regular tournaments and term rank-1 | 2009-07-02 | Paper |
| LINEAR OPERATORS THAT PRESERVE PERIMETERS OF MATRICES OVER SEMIRINGS | 2009-05-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3616682 | 2009-03-26 | Paper |
| The characterization of operators preserving primitivity for matrix \(k\)-tuples | 2009-03-17 | Paper |
| Idempotent Boolean matrices and majorization | 2008-10-28 | Paper |
| Regular matrices and their strong preservers over semirings | 2008-06-09 | Paper |
| Linear preservers for Sylvester and Frobenius bounds on matrix rank | 2008-03-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5443170 | 2008-02-20 | Paper |
| Linear preservers of extremes of rank inequalities over semirings: the factor rank | 2007-11-23 | Paper |
| IDEMPOTENT MATRIX PRESERVERS OVER BOOLEAN ALGEBRAS | 2007-07-31 | Paper |
| Frobenius and Dieudonné theorems over semirings | 2007-02-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3378269 | 2006-03-30 | Paper |
| Linear preservers of extremes of rank inequalities over semirings: Row and column ranks | 2006-03-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3367798 | 2006-01-26 | Paper |
| Linear preservers of zeros of matrix polynomials | 2005-06-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4677920 | 2005-05-23 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4675755 | 2005-05-06 | Paper |
| RANK INEQUALITIES OVER SEMIRINGS | 2005-04-29 | Paper |
| Linear transformations preserving the Grassmannian over \(\mathcal M_n(\mathbb Z_+)\) | 2005-01-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4824895 | 2004-11-01 | Paper |
| Zero-Term Ranks of Real Matrices and Their Preservers | 2004-09-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4472701 | 2004-07-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4472732 | 2004-07-01 | Paper |
| RANK AND PERIMETER PRESERVERS OF BOOLEAN RANK-1 MATRICES | 2004-05-27 | Paper |
| Linear Operators that Preserve Commuting Pairs of Nonnegative Real Matrices | 2004-05-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4453344 | 2004-03-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4450554 | 2004-02-15 | Paper |
| A note on \(k\)-primitive directed graphs | 2003-11-19 | Paper |
| Properties of a covariance matrix with an application to D-optimal design | 2003-07-23 | Paper |
| A characterization of strong preservers of matrix majorization | 2003-05-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3149103 | 2003-03-12 | Paper |
| RESOLUTION OF THE CONJECTURE ON STRONG PRESERVERS OF MULTIVARIATE MAJORIZATION | 2003-02-23 | Paper |
| Linear operators that preserve zero-term rank over fields and rings | 2002-11-17 | Paper |
| Linear operators that preserve pairs of matrices which satisfy extreme rank properties | 2002-08-28 | Paper |
| Irreducible, pattern \(k\)-potent ray pattern matrices | 2002-06-24 | Paper |
| Linear preservers of matrices of rank-2 | 2002-04-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2716668 | 2002-01-02 | Paper |
| Zero-term rank preservers∗ | 2001-11-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4516881 | 2001-09-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2707698 | 2001-04-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4939344 | 2001-01-25 | Paper |
| Linear operators preserving multivariate majorization | 2000-06-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4267643 | 2000-02-06 | Paper |
| Linear operators that strongly preserve graphical properties of matrices. II | 1999-08-03 | Paper |
| Orthogonal decomposable symmetrized tensors | 1999-05-05 | Paper |
| Spaces of rank-2 matrices over GF(2) | 1999-02-07 | Paper |
| Rank preservers on spaces of symmetric matrices | 1998-03-10 | Paper |
| On a positive linear map preserving absolute values | 1997-12-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4717601 | 1997-10-19 | Paper |
| On the exponent of a primitive matrix containing a primitive submatrix | 1997-08-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4853275 | 1996-05-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3139540 | 1996-04-15 | Paper |
| Linear operators preserving \(L\)-matrices | 1996-02-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4863405 | 1996-02-06 | Paper |
| Rank comparisons | 1995-11-05 | Paper |
| Linear transformations that preserve the assignment | 1995-09-05 | Paper |
| Linear operators which preserve sign-nonsingular matrices | 1995-05-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4327691 | 1995-04-10 | Paper |
| Linear operators which preserve combinatorial orthogonality | 1994-08-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3136976 | 1994-05-30 | Paper |
| Linear operators strongly preservingr-cyclic matrices over semirings | 1994-05-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4281318 | 1994-03-11 | Paper |
| The structure of generalized permanent semigroups | 1993-06-29 | Paper |
| Chapter 9: miscellaneous preserver problems | 1993-05-16 | Paper |
| Linear operators that strongly preserve graphical properties of matrices | 1993-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4009969 | 1992-09-27 | Paper |
| A comparison of nonnegative real ranks and their preservers | 1992-09-27 | Paper |
| Linear operators that strongly preserve the index of imprimitivity | 1992-09-27 | Paper |
| Linear operators strongly preserving idempotent matrices over semirings | 1992-06-28 | Paper |
| Schur extensions of monomial matrix groups | 1992-06-28 | Paper |
| Linear operators strongly preserving \(r\)-potent matrices over semirings | 1992-06-28 | Paper |
| Polynomials which permute matrices over commutative antinegative semirings | 1992-06-28 | Paper |
| Linear operators that strongly preserve commuting pairs of fuzzy matrices | 1991-01-01 | Paper |
| Linear operators preserving idempotent matrices over fields | 1991-01-01 | Paper |
| Linear operators on matrices: The invariance of rank-k matrices | 1990-01-01 | Paper |
| Linear operators that strongly preserve commuting pairs of Boolean matrices | 1990-01-01 | Paper |
| Linear operators strongly preserving digraphs whose maximum cycle length | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3472140 | 1990-01-01 | Paper |
| Linear operators that strongly preserve primitivity | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3825230 | 1989-01-01 | Paper |
| Linear operators on matrices: The invariance of rank-k matrices | 1988-01-01 | Paper |
| Operators that preserve semiring matrix functions | 1988-01-01 | Paper |
| Semiring rank versus column rank | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3795835 | 1988-01-01 | Paper |
| The mathematical work of Joel Lee Brenner | 1987-01-01 | Paper |
| Term-rank, permanent, and rook-polynomial preservers | 1987-01-01 | Paper |
| Generation of alternating groups by pairs of conjugates | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3803268 | 1987-01-01 | Paper |
| Fuzzy rank-preserving operators | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3760722 | 1986-01-01 | Paper |
| Nonnegative rank-preserving operators | 1985-01-01 | Paper |
| Test sets for generalized matrix functions | 1985-01-01 | Paper |
| The null space of spaces of singular matrices | 1985-01-01 | Paper |
| Boolean-rank-preserving operators and Boolean-rank-1 spaces | 1984-01-01 | Paper |
| Generalized matrix functions of class MPW, III | 1984-01-01 | Paper |
| On the Uniqueness of Generalized Matrix Functions | 1983-01-01 | Paper |
| Rank \(k\)-preservers and preservers of sets of ranks | 1983-01-01 | Paper |
| Linear transformations preserving sets of ranks | 1983-01-01 | Paper |
| Generalized matrix functions of class MPW | 1983-01-01 | Paper |
| Generalized matrix functions of class MPW, II | 1983-01-01 | Paper |
| Multiplicative properties of generalized matrix functions | 1982-01-01 | Paper |
| Linear transformations on matrices: The invariance of sets of ranks | 1982-01-01 | Paper |
| Linear transformations which preserve fixed rank | 1981-01-01 | Paper |
| Spaces of matrices of equal rank | 1981-01-01 | Paper |
| Permanent Semigroups | 1978-01-01 | Paper |
| Linear transformations on matrices: The invariance of commuting pairs of matrices | 1978-01-01 | Paper |
| Permanent Groups. II | 1973-01-01 | Paper |
| Permanent Groups | 1972-01-01 | Paper |
| Linear Transformations on Matrices: the Invariance of the Third Elementary Symmetric Function | 1970-01-01 | Paper |
| Linear transformations on matrices: The invariance of rank \(k\) matrices | 1970-01-01 | Paper |
| Maximal Groups on Which the Permanent is Multiplicative | 1969-01-01 | Paper |
| Bounds for permanents, determinants, and Schur functions | 1968-01-01 | Paper |
