Let $g_{1},g_{2},\ldots ,g_{n}$ be the generators of the free group ${\bf F}_{n}$ and denote by λ its left regular representation. A formula for norms of operators ...

Mathematics of Computation, Vol. 31, No. 139 (Jul., 1977), pp. 733-737 (5 pages) An attainable bound for the infinity norm of the inverse of a whole class of symmetric circulant Toeplitz matrices is ...