A graph theoretic proof of the fundamental trace identity (Q1095925)
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scientific article; zbMATH DE number 4029612
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A graph theoretic proof of the fundamental trace identity |
scientific article; zbMATH DE number 4029612 |
Statements
A graph theoretic proof of the fundamental trace identity (English)
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1988
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To each circuit decomposition of a directed multigraph a permutation of the edge set is assigned, and a lemma on the signs of the resulting permutations is proved yielding the fundamental trace identity for matrices over a commutative unitary ring as a corollary.
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circuit decomposition
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directed multigraph
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fundamental trace identity
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