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Showing papers on "Tuple published in 1972"


Journal ArticleDOI
TL;DR: In this article, the L(S)-tuples of matrices are studied and a few relevant results are produced by linking them to properties of algebraic hypersurfaces and especially curves with respect to an exterior point.
Abstract: In this paper we study L(S)-tuples of matrices, a class of /v-tuples that includes as special cases the L-pairs studied by Motzkin and Taussky, and the Z-pairs defined by Taussky for complex elements and diagonable first matrix. Some light on these concepts and a few relevant results are produced by linking them to properties of algebraic hypersurfaces and especially curves with respect to an exterior point.

4 citations


Journal ArticleDOI
TL;DR: An artificial language, called PADEL, which may be used to describe line drawings, is described, which is noted to be phrase structured, finite, context free language.

3 citations


Journal ArticleDOI
TL;DR: The number of n -tuples in similarity classes of n-tuples over finite fields is determined for the cases n = 2 and n = 3.

2 citations