unitriangularとは 意味・読み方・使い方

形容詞

unitriangular ‎(not comparable)

1. (mathematics) Of a matrix: such that the entries on the main diagonal of a (upper または lower) triangular matrix are all 1.
   • 2015, Funda Gul, Alexei G. Myasnikov, Mahmood Sohrabi, “Distortion of embeddings of a torsion-free finitely generated nilpotent group into a unitriangular group”^[1], arXiv: 

     In this paper we study distortion of various well-known embeddings of finitely generated torsion-free nilpotent groups into unitriangular groups .