An addition theorem for the color number |
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| Authors: | Jan M. Aarts Robbert J. Fokkink |
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| Affiliation: | Faculty of Mathematics, Delft University, P.O. Box 5031, 2600 GA Delft, Netherlands ; Faculty of Mathematics, Delft University, P.O. Box 5031, 2600 GA Delft, Netherlands |
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| Abstract: | There is a close relation between the color number of a continuous map  without fixed points and the topological dimension. If  is an involution, the color number is also related to the co-index. An addition theorem for the color number is established thus underscoring the interrelations between color number, dimension and co-index. |
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| Keywords: | Color number dimension co-index involution |
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