We prove that in some families of planar rational compacta there are no universal elements.
@article{bwmeta1.element.bwnjournal-article-fmv141i2p109bwm, author = {S. Iliadis and S. Zafiridou}, title = {Planar rational compacta and universality}, journal = {Fundamenta Mathematicae}, volume = {141}, year = {1992}, pages = {109-118}, zbl = {0799.54024}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv141i2p109bwm} }
Iliadis, S.; Zafiridou, S. Planar rational compacta and universality. Fundamenta Mathematicae, Tome 141 (1992) pp. 109-118. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv141i2p109bwm/
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