most citedOn the boundedness of generalized Cesàro operators on Sobolev spaces

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math.AP2012

Extension problem and fractional operators: semigroups and wave equations

J. E. Galé, P. J. Miana, P. R. Stinga

We extend results of Caffarelli--Silvestre and Stinga--Torrea regarding a characterization of fractional powers of differential operators via an extension problem. Our results appl…