We survey some recent results on functional calculus for generators of holomorphic semigroups, which have been obtained using versions of fractional derivation of Riemann-Liouville or Weyl type. Such a calculus allows us to give tight estimates even in concrete L¹ examples.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-bc75-0-9, author = {Jos\'e E. Gal\'e}, title = {Some applications of fractional calculus to operator semigroups and functional calculus}, journal = {Banach Center Publications}, volume = {75}, year = {2007}, pages = {143-157}, zbl = {1116.47017}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc75-0-9} }
José E. Galé. Some applications of fractional calculus to operator semigroups and functional calculus. Banach Center Publications, Tome 75 (2007) pp. 143-157. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc75-0-9/