unitriangular en · ADJ
Etymology
From uni- + triangular.
Meanings
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(not-comparable) Of a matrix: such that the entries on the main diagonal of a (upper or lower) triangular matrix are all 1.
In this paper we study distortion of various well-known embeddings of finitely generated torsion-free nilpotent groups G into unitriangular groups UT#95;n(#92;mathbb#123;Z#125;).
2015, Funda Gul, Alexei G. Myasnikov, Mahmood Sohrabi, “Distortion of embeddings of a torsion-free finitely generated nilpotent group into a unitriangular group”, in arXiv: