Sums of idempotents (Q1336405)
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scientific article; zbMATH DE number 665782
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Sums of idempotents |
scientific article; zbMATH DE number 665782 |
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Sums of idempotents (English)
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24 October 1994
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For matrices expressible as sums of idempotents, the authors give upper bounds, sharp in many cases, on the exact number of idempotents needed. These bounds involve rank, trace, dimension, canonical form, and Sourour number.
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sums of idempotents
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upper bounds
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number of idempotents
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rank
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trace
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dimension
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canonical form
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Sourour number
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