Counting spectral radii of matrices with positive entries
 
 
Description:  We will present some results concerning the number of different spectral radii that you can get for matrices with entries in a prescribed finite set of positive integers. This problem is related to a conjecture by Erdös and Szemerédi about sums and products of elements in a finite set. This is a joint work with J. A. Dias da Silva.
Date:  2012-03-21
Start Time:   15:00
Speaker:  Pedro Freitas (CELC/Mat. FCUL)
Institution:  Universidade de Lisboa
Place:  Room 5.5
Research Groups: -Algebra and Combinatorics
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