We show that for a wide class of σ-algebras 𝓐, indicatrices of 𝓐-measurable functions admit the same characterization as indicatrices of Lebesgue-measurable functions. In particular, this applies to functions measurable in the sense of Marczewski.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ba53-3-5, author = {Marcin Kysiak}, title = {Some Remarks on Indicatrices of Measurable Functions}, journal = {Bulletin of the Polish Academy of Sciences. Mathematics}, volume = {53}, year = {2005}, pages = {281-284}, zbl = {1113.28002}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba53-3-5} }
Marcin Kysiak. Some Remarks on Indicatrices of Measurable Functions. Bulletin of the Polish Academy of Sciences. Mathematics, Tome 53 (2005) pp. 281-284. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba53-3-5/