We introduce the notion of a weak generic type in a group. We improve our earlier results on countable coverings of groups and types.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm191-3-2, author = {Ludomir Newelski and Marcin Petrykowski}, title = {Weak generic types and coverings of groups I}, journal = {Fundamenta Mathematicae}, volume = {189}, year = {2006}, pages = {201-225}, zbl = {1111.03036}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm191-3-2} }
Ludomir Newelski; Marcin Petrykowski. Weak generic types and coverings of groups I. Fundamenta Mathematicae, Tome 189 (2006) pp. 201-225. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm191-3-2/