We show that there is a measure y defined on the hyperbolic plane and with polynomial growth, such that the centered maximal operator associated to y does not satisfy weak type (1, 1) bounds.
@article{urn:eudml:doc:41568, title = {An example on the maximal function associated to a nondoubling measure.}, journal = {Publicacions Matem\`atiques}, volume = {49}, year = {2005}, pages = {453-458}, zbl = {1091.42015}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41568} }
Aldaz, J.M. An example on the maximal function associated to a nondoubling measure.. Publicacions Matemàtiques, Tome 49 (2005) pp. 453-458. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41568/