NUMBER SYSTEMS AND THE INJECTIVITY PROBLEM FOR MATRIX REPRESENTATIONS OF FREE MONOIDS

: Honkala J

Publisher: WORLD SCIENTIFIC PUBL CO PTE LTD

: 2009

: International Journal of Algebra and Computation

: INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION

: INT J ALGEBR COMPUT

: 19

: 2

: 229

: 233

: 5

: 0218-1967

We show that injectivity is decidable for matrix representations of free monoids in upper-triangular 2 x 2 matrices of a restricted form.