Dimitris Christou

BSc, Mathematics, National and Kapodistrian University of Athens; MSc, Applied Mathematics, National and Kapodistrian University of Athens; PhD, Mathematical Methods and Systems, City St. George’s, University of London

Dr. Dimitrios Christou has been a member of the Deree Math faculty since 2014. He holds a PhD in Mathematical Methods and Systems from City, University of London, and an MSc in Applied Mathematics from the University of Athens. Dr. Christou’s teaching portfolio includes a diverse range of courses in Algebra, Calculus, and Differential Equations. He has also imparted knowledge on Numerical Analysis software applications to undergraduate students at the University of Athens. His collaborative research endeavors with the Department of Mathematics at the University of Athens and the Systems and Control Centre at City, University of London, have focused on Numerical Methods, Linear Systems, and Approximate Algebraic Computations, particularly in hybrid computations and algorithm design and development for large-scale systems. Dr. Christou’s research contributions have been published in esteemed scientific journals and presented at international conferences, reflecting his dedication to advancing the field of computational mathematics.

Selected Publications

• D. Christou, N. Karcanias and M. Mitrouli, The ERES method for computing the approximate GCD of several polynomials, Applied Numerical Mathematics, Vol. 60, (2010), pp. 94-114
• D. Christou, N. Karcanias, M. Mitrouli, Matrix representation of the Shifting operation and numerical properties of the ERES method for computing the Greatest Common Divisor of sets of many polynomials, J. Comp. Applied Mathematics, Vol. 260, (2014), pp. 54-67
• Christou, N. Karcanias, and M. Mitrouli, Approximate Least Common Multiple of several polynomials using the ERES Division algorithm, Linear Algebra and its Applications, Vol. 511, (2016), pp. 141-175
• Christou, M. Mitrouli, and J. Seberry, Embedding and extension properties of Hadamard matrices revisited, Special Matrices, Vol. 6, (2018), pp. 155-165
• Christou, M. Mitrouli, and D. Triantafyllou, A rank-updating technique for the Kronecker canonical form of singular pencils, Applied Numerical Mathematics, Vol. 208A, (2025), pp. 135 – 145