Real stable ranks |
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| Authors: | Gustavo Corach and Fernando Daniel Suárez |
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| Affiliation: | (1) Instituto Argentino de Matemática, Viamonte 1636, 1ertCuerpo, 1er Piso, 1055 Buenos Aires;(2) Departamento de Matemática, Facultad de Ciencias Exactos, Universidad de Buenos Aires, Argentina |
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| Abstract: | Several new notions of stable ranks for commutative Banach algebras are introduced. Due to the fact that they depend on certain orthogonal groups, they are called real stable ranks and are finer than their  complex counterparts. |
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| Keywords: | Bass stable rank commutative Banach algebra covering dimension |
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