Marilena Mitrouli

Associate Professor
Department of Mathematics
University of Athens

Fields of interest:

Numerical Linear Algebra, Study of the growth problem in Hadamard and weighing matrices, Determinants of orthogonal matrices, Rank, nullity and null space of special matrices, Extrapolation methods for estimating functions of matrices, Numerical methods for the computation of the Greatest Common Divisor of polynomials.

Recent publications:

C. Kravvaritis, and M. Mitrouli,
The growth factor of a Hadamard matrix of order 16 is 16, Numer. Linear Algebra Appl., Vol. 16, Issues 7-9 (2009), pp. 715-743.

C. Kravvaritis and M. Mitrouli,
Compound matrices: properties, numerical issues and analytical computations,
Numer. Algor., Vol. 50, (2009), pp. 155-177.

D. Triantafyllou and M. Mitrouli,
On the computation of the rank of block bidiagonal Toeplitz matrices,
J. Comput. Appl. Math., Vol. 227, (2009), pp. 126-135.

D. Christou, N. Karcanias and M. Mitrouli,
The ERES method for computing the approximate GCD of several polynomials,
Applied Numerical Math., Vol. 60, (2010), pp. 94-114.

D. Triantafyllou and M. Mitrouli,
On rank and null space computation of the generalized Sylvester matrix,
Numer. Algor., Vol. 54, (2010), pp. 297-324.

J. Seberry and M. Mitrouli,
Some remarks on Hadamard matrices,
Cryptogr. Commun., Vol. 2, (2010), pp.293-306.

M. Mitrouli,
D-optimal designs embedded in Hadamard matrices and their effect on the pivot patterns,
Linear Algebra and its Appl., Vol. 434, (2011), pp.1761-1772.

M. Mitrouli,
A sign test for detecting the equivalence of Sylvester Hadamard matrices,
Numer. Algor., Vol. 57, (2011), pp. 169-186.

M. Kourniotis, M. Mitrouli and D. Triantafylloy,
Parallel QR processing of generalized Sylvester matrices,
Theoretical Computer Science, Vol. 412, (2011), pp. 1484-1491.

A. Karapiperi, M. Mitrouli, M. G. Neubauer and J. Seberry,
An eigenvalue approach evaluating minors for weighing matrices W(n,n-1),
Linear Algebra and its Appl., Vol. 436, (2012), pp.2054-2066.

C. Brezinski, P. Fika and M. Mitrouli,
Moments of a linear operator with applications to the trace of the inverse of matrices and the solution of equations,
Numer. Linear Algebra Appl., Vol. 19 , (2012), pp. 937-953.

C. Brezinski, P. Fika and M. Mitrouli,
Estimation of the trace of powers of positive self-adjoint operators by extrapolation of the moments, Electronic Transactions on Numerical Analysis (ETNA), Vol. 39 , (2012), pp. 144-155.