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Completion of partial matrices to contractions

✍ Scribed by Charles R Johnson; Leiba Rodman


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
389 KB
Volume
69
Category
Article
ISSN
0022-1236

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πŸ“œ SIMILAR VOLUMES


Contractive Completions of Hankel Partia
✍ RaΓΊl Curto; Carlos HernΓ‘ndez; Elena de Oteyza πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 380 KB

Hankel partial contraction is a Hankel matrix such that not all of its entries are determined, but in which every well-defined submatrix is a contraction. We address the problem of whether a Hankel partial contraction in which the upper left triangle is known can be completed to a contraction. It is

Totally nonpositive completions on parti
✍ C. Mendes AraΓΊjo; Juan R. Torregrosa; Ana M. Urbano πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 183 KB

An n Γ— n real matrix is said to be totally nonpositive if every minor is nonpositive. In this paper, we are interested in totally nonpositive completion problems, that is, does a partial totally nonpositive matrix have a totally nonpositive matrix completion? This problem has, in general, a negative