Mappings between dendroids (fans) that (does not) preserve (non)contractibility
J. J. Charatonik formulated in 1991 the following problem: What are all mappings that preserve contractibility (noncontractibility) of dendroids? On the other hand, J. J. Charatonik, W. J. Charatonik, and S. Miklos asked in 1990 the following questions (among others related to contractibility): What...
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| Udgivet i: | Revista Integración |
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| Principais autores: | , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Universidad Industrial de Santander
2021
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| Fag: | |
| Online adgang: | https://www.redalyc.org/articulo.oa?id=327068399001 https://www.redalyc.org/journal/3270/327068399001/ https://www.redalyc.org/journal/3270/327068399001/html/ https://www.redalyc.org/journal/3270/327068399001/327068399001.epub https://www.redalyc.org/journal/3270/327068399001/movil https://doi.org/10.18273/revint.v39n1-2021001 |
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