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Order preserving maps on the poset of upper triangular idempotent matrices

✍ Scribed by Ajda Fošner


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
260 KB
Volume
403
Category
Article
ISSN
0024-3795

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On the jordan form of completions of par
✍ C. Jordán; J.R. Torregrosa; A. Urbano 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 520 KB

two completion conjectures for partial upper triangular matrices. In this paper we show that one of them is not true in general, and we prove its validity for some particular cases. We also prove the equivalence between the two conjectures in the case of partial Hessenherg matrices.