| Title: | Monotonicity of the maximum of inner product norms (English) | 
| Author: | Lavrič, Boris | 
| Language: | English | 
| Journal: | Commentationes Mathematicae Universitatis Carolinae | 
| ISSN: | 0010-2628 (print) | 
| ISSN: | 1213-7243 (online) | 
| Volume: | 45 | 
| Issue: | 3 | 
| Year: | 2004 | 
| Pages: | 383-388 | 
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| Category: | math | 
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| Summary: | Let $\Bbb K$ be the field of real or complex numbers. In this note we characterize all inner product norms $p_1,\ldots ,p_m$ on $\Bbb K^n$ for which the norm $x\longmapsto \max \{p_1(x),\ldots ,p_m(x)\}$ on $\Bbb K^n$ is monotonic. (English) | 
| Keyword: | finite dimensional vector space | 
| Keyword: | monotonic norm | 
| Keyword: | absolute norm | 
| Keyword: | inner pro\-duct norm | 
| MSC: | 15A60 | 
| MSC: | 15A63 | 
| MSC: | 52A21 | 
| idZBL: | Zbl 1100.15013 | 
| idMR: | MR2103134 | 
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| Date available: | 2009-05-05T16:45:58Z | 
| Last updated: | 2012-04-30 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/119467 | 
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| Reference: | [1] Bauer F.L., Stoer J., Witzgall C.: Absolute and monotonic norms.Numer. Math. 3 (1961), 257-264. Zbl 0111.01602, MR 0130104 | 
| Reference: | [2] Horn R.A., Johnson C.R.: Matrix Analysis.Cambridge University Press, New York, 1985. Zbl 0801.15001, MR 0832183 | 
| Reference: | [3] Johnson C.R., Nylen P.: Monotonicity properties of norms.Linear Algebra Appl. 148 (1991), 43-58. Zbl 0717.15015, MR 1090752 | 
| Reference: | [4] Lavrič B.: Monotonicity and $ ^*$orthant-monotonicity of certain maximum norms.Linear Algebra Appl. 367 (2003), 29-36. Zbl 1038.15017, MR 1976908 | 
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